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Bitcoin network

There are many concerns to take into account when dealing with cryptocurrency. One of the bigger.

Africa Should Embrace the Blockchain to Boost Development, Say Experts

Interest in the blockchain and the various use cases it’s being applied to is highlighting the.

№1: Streamity Team Announced Streamdesk Service Launch Dates and Explained Its Future Plans

There is little time left until the launch of Streamity project’s main service. In the run-up.

4NEW: Blockchain Powered by Free Energy

The first law of Thermodynamics states “Energy is neither created nor destroyed. It simply transforms.

February 12, 2018 · 4:40 am

Bithumb to Disable Trading in Nearly a Dozen Countries

South Korea is an important country in the cryptocurrency world. Its exchanges also generate a.

May 28, 2018 · 9:00 pm

ICO Investing Established as the New Authority in 2018 – Hyperion.

In 2017, the team at Invictus Capital launched one of the top 25 ICOs of.

May 28, 2018 · 8:12 pm

Cryptocean’s Pre-ICO Gaining Huge Trust With ICO Expected To Be A.

Successful Pre-ICO Of Cryptocean Is Crypto World’s Recent Buzz Cryptocean Expected To Hit the Crypto.

May 28, 2018 · 8:08 pm

First Smart Contract Testnet for Cardano is Live

There is a lot of hype and excitement surrounding the Cardano project. This is despite.

May 28, 2018 · 5:19 pm

LTCUSD Technical Analysis for 05/28/2018 – Wedge Breakout To Happen Soon!

LTCUSD continues to trend lower, moving inside a falling wedge pattern on the 4-hour chart.

May 28, 2018 · 8:04 am

Is Jack Liao Responsible for the Bitcoin Gold Network Attack?

There is a lot of speculation regarding the Bitcoin Gold issues. Some sources claim a.

May 27, 2018 · 4:30 pm

Kuwait Finance House Joins RippleNet for Improved Cross-Border Transactions

Financial institutions around the world keep a close eye on blockchain technology. This new technology can.

May 27, 2018 · 1:37 pm

John McAfee Expects a Bitcoin Price of $15,000 by June 2018

John McAfee always has interesting opinions on cryptocurrency. While most of his social media posts.

May 26, 2018 · 6:00 pm

Storm Daniels Accepts Vice Industry Tokens Rather Than Verge

There has always been an interesting correlation between porn and cryptocurrency. Some people consider this.

May 26, 2018 · 12:47 pm

Japan’s Money Forward Will launch a Cryptocurrency Exchange

Cryptocurrencies remain incredibly popular in Japan. This is mainly because the country legalized Bitcoin and.

May 25, 2018 · 5:15 pm

Spain’s Central Bank Governor Claims Cryptocurrencies Present ‘More Risks Than Benefits’

The Governor of Spain’s central bank has said that cryptocurrencies present ‘more risks than benefits,’.

May 25, 2018 · 1:30 pm

Rumors Surface Regarding Bitfinex Having a Bank Account in Puerto Rico

Bitfinex is one of the more controversial cryptocurrency companies. While a prominent exchange, there’s also.

May 25, 2018 · 1:16 pm

4NEW: Blockchain Powered by Free Energy

The first law of Thermodynamics states “Energy is neither created nor destroyed. It simply transforms itself from one form to another.” Nowhere is this law better applied than in the.

Guest · February 12, 2018 · 4:40 am

Performing a 51% Attack Against Overhyped Altcoins is Relatively Cheap

There are many concerns to take into account when dealing with cryptocurrency. One of the bigger threats to date is the 51% attack. Some websites and criminals specialize in this.

JP Buntinx · May 29, 2018 · 5:12 pm

Africa Should Embrace the Blockchain to Boost Development, Say Experts

Interest in the blockchain and the various use cases it’s being applied to is highlighting the impact it is having on different sectors, and now Africa is being urged to.

№1: Streamity Team Announced Streamdesk Service Launch Dates and Explained Its Future Plans

There is little time left until the launch of Streamity project’s main service. In the run-up to this event Streamity team presented its alpha-version, which is accessible for testing to.

lvnadmin · May 28, 2018 · 9:24 pm

Bithumb to Disable Trading in Nearly a Dozen Countries

South Korea is an important country in the cryptocurrency world. Its exchanges also generate a ton of trading volume. That situation may come to change pretty soon. Bithumb will suspend.

JP Buntinx · May 28, 2018 · 9:00 pm

ICO Investing Established as the New Authority in 2018 – Hyperion Fund Poised to Capture Further Growth

In 2017, the team at Invictus Capital launched one of the top 25 ICOs of all time with CRYPTO20, the world’s first tokenized crypto index fund. Now, in their second.

lvnadmin · May 28, 2018 · 8:12 pm

Cryptocean’s Pre-ICO Gaining Huge Trust With ICO Expected To Be A Success

Successful Pre-ICO Of Cryptocean Is Crypto World’s Recent Buzz Cryptocean Expected To Hit the Crypto Market With Huge Success May 15th, 2018 marks another great day for the crypto community.

lvnadmin · May 28, 2018 · 8:08 pm

First Smart Contract Testnet for Cardano is Live

There is a lot of hype and excitement surrounding the Cardano project. This is despite the lack of any real technology in the form of live products. Things are slowly.

JP Buntinx · May 28, 2018 · 5:19 pm

LTCUSD Technical Analysis for 05/28/2018 – Wedge Breakout To Happen Soon!

LTCUSD continues to trend lower, moving inside a falling wedge pattern on the 4-hour chart and approaching its peak. This means that a breakout is bound to happen soon, and.

Sara Jenn · May 28, 2018 · 8:04 am

Is Jack Liao Responsible for the Bitcoin Gold Network Attack?

There is a lot of speculation regarding the Bitcoin Gold issues. Some sources claim a mining pool attacked the network. Others claim it was Bitmain deploying additional ASICs to take.

BitcoinNetwork

The official Bitcoin White Paper was released to the general public on October 31, 2008 which in-great-technical-detail described groundbreaking innovation within the financial technology sector: A Peer-to-Peer Electronic Cash System .

Upon public deployment of the open-source software on January 3, 2009, the protocol provided hard-evidence of an active and verifiable technology solution to a very complex double spend problem that has baffled technologists and cryptographers around the world for more than forty years and subsequently introduced both вЂњdigital scarcityвЂќ and вЂњdecentralized trustвЂќ.

Innovation

The invention of the Bitcoin network now officially enables peer-to-peer digital and global value transfer without the need of a third-party intermediary.

As a key-feature rather than a flaw, the Bitcoin network is decentralized with no central point of failure.

The Bitcoin Network consists of tens of thousands of вЂњnodesвЂќ which maintain a globally distributed and transparent public ledger which is a real-time global database of вЂњconsensusвЂќ of all transactions on the network which are updated [ 24x7x365 ]. All transactions are broadcast to the network, time stamped, validated, and locked into 1MB - 2 MB data blocks, and ultimately chained together as a historical and immutable record. In the most basic of explanation, the network functions as a modern global accounting system.

This new underlying technology is what's referred to as blockchain technology - Bitcoin; THE Blockchain.

In the most basic translation, the Internet now has a public value transfer layer; via the Bitcoin protocol. You may be familiar with other protocols; SMTP otherwise known as e-mail or HTTP which is the foundation of data communication for the World Wide Web. This revolutionary protocol is more than a value transfer network but simultaneously, it offers a new type of вЂњhard moneyвЂќ to the world.

Futuristic

The Bitcoin network has two main top layers; bitcoin wallets and bitcoin exchanges which serve as the global public-facing consumer onramps to the underlying technology and protocol.

All transactions on the Bitcoin network occur exclusively with bitcoins; the network-issued and finite crypto-currency (Digital Coin) which is secured by military grade cryptography .

The Bitcoin network software has a pre-set mathematical hard cap of 21 million bitcoin that will ever be issued over a period of 131 years, 16,920,017 of which have already been mined and are in global circulation. Some industry experts suggest somewhere between 5 - 10% of bitcoin (private keys) have been lost forever - further limiting the supply.

Divisible by eight decimal points; 1.74835692 - the digital currency; bitcoin is a versatile digital asset or virtual commodity for value transfers worldwide and has organically transitioned into a multi-use case new blockchain asset class. A new kind of system. A new kind of money.

BTC is the common industry abbreviation when referencing Bitcoin as a currency. The ISO 4217 currency code is currently XBT which is still considered unofficial. The Unicode character U+0243 is being promoted for global online publication while the International font-and-css toolkit organization; FontAwesome created .

Competitive

The Bitcoin Network is made up вЂњnodesвЂќ (computers) which are scattered all across the planet Earth. There are economic and non-economic nodes. Some of these participants are called вЂњbitcoin minersвЂќ. These individuals download and run the bitcoin open-source software and freely opt-in to join the global network. Each node has a complete and full copy of the history of transactions across the Bitcoin Network from the very first transaction on Jan 3, 2009; Genesis Block. These transactions are recorded on the вЂњblockchainвЂќ - the public and transparent distributed ledger.

Miners use rare and expensive specialized вЂњASIC chipsвЂќ to process billions of highly complex mathematical equations using a combination of electricity, internet connectivity, software and hardware. This process is known as вЂњbitcoin miningвЂќ. Essentially, they are joining in a real-time and global computational вЂњraceвЂќ to validate and secure вЂњblocksвЂќ of transactions. The technology behind this process is called; вЂњProof-of-WorkвЂќ hash algorithm.

As a compensation mechanism for validating transactions across the Bitcoin network, bitcoin miners are rewarded newly-minted bitcoins [block rewards] every ten minutes in exchange for their participation. This energy intensive and complex system subsequently ensures вЂњconsensusвЂќ on the status of bitcoins in circulation and simultaneously secures the Bitcoin network.

The system auto-adjusts the bitcoin mining difficulty based on real-time participation data and boasts a deflationary money supply or "monetary policy" in which the Bitcoin network mining block reward is pre-programmed to decline 50 per cent approximately every blocks - or - four years; 50 (2008) 25 (2012) 12.5 (2016) and only 6.25 bitcoin (by 2020) will be released. This provides a predictable supply curve and a new and innovative technology incentive system.

Miners often sell their inventory direct to established Bitcoin Exchanges which effectively creates the supply-side life cycle and subsequently the markets are made via awaiting buyers/users who exchange fiat-currency for BTC. Industry analysts suggest the Bitcoin network now exceeds Google in computing power by 100X. Similar to email, you would need to shut down the entire global Internet for the Bitcoin network to be temporarily muted. There are twelve thousand mining and non-mining nodes spread out around the world.

Not only are bitcoins impossible to counterfeit, transactions can not be blocked or frozen and there are no prerequisites or arbitrary limits to participate.

Venture Capital

As with any new revolutionary technology or scientific breakthrough, venture capitalists and professional investors are never far behind the wave of exciting headline news.

As of Q1 / 2018 there has been more than USD $2.46 BILLION invested into hundreds of Bitcoin related companies worldwide to boost the emerging technology infrastructure through it's global operational and security foundation; bitcoin mining and the two main top layers of the Bitcoin network; bitcoin wallets and bitcoin exchanges .

Emerging Eco-System

Through a concentrated effort to form legal business entities with technology and financial services experts, as well as the consistent organization of professional industry associations, meet-ups, conferences, and startup incubators, the Bitcoin industry has significantly matured in a few short years.

The common denominator among both investors and executives within the industry is to establish a balanced environment where innovation can flourish while simultaneously ensuring that bitcoin startups are abiding by any local, state and Federal regulations.

Unparalleled

The world has never seen anything like Bitcoin. And subsequently, Bitcoin is many things to many people.

Not only is the Bitcoin network thriving, it is legal .

Due to the secure and proven operational foundation of the network itself, alongside a limited supply of the digital currency; bitcoin, interest has grown astronomically.

New use cases, upgrades in both software and hardware, human and venture capital migration, intuitive and secure apps, as well as a network effect has sparked curiosity and driven demand throughout the world, and subsequently, bitcoin has outperformed every asset on Earth .

Similar to stocks or commodities, bitcoin trades on bitcoin exchanges with a market value exchange rate which fluctuates in real-time based on supply, demand, psychology, as well as news.

Many years ago, one single bitcoin [ 1 BTC ] traded at USD $0.008 and today [Q1 / 2018] is pegged above USD $8,000 with a market cap exceeding USD $140 BILLION .

The Bitcoin network is freely accessible to any human on Earth and is not affiliated with geographical borders, political interests or central banks.

The revolutionary open-source software and global network community do not judge your skin color, ethnicity, religious beliefs, and do not have access to your financial status, confidential data or credit score.

Banks close at 5 PM.

Wall Street closes at 4 PM.

Bitcoin does not close. Ever .

So, "What is bitcoin?" may be a better explained in bullets:

Remember, Bitcoin is many things to many people .

Bitcoin is 24x7x365
Bitcoin is global
Bitcoin is technology
Bitcoin is open-source software
Bitcoin is an internet protocol
Bitcoin is a distributed public ledger
Bitcoin is a cryptographic network
Bitcoin is peer-to-peer value system
Bitcoin is a payment layer for the Internet
Bitcoin is modern medium of exchange
Bitcoin is a speculation platform
Bitcoin is a geo-political hedge
Bitcoin is a fiat-currency hedge
Bitcoin is electronic cash
Bitcoin is digital currency
Bitcoin is crypto-currency
Bitcoin is a new global asset class
Bitcoin is a digital property
Bitcoin is virtual commodity
Bitcoin is gold 2.0
Bitcoin is money
Bitcoin is hard money Bitcoin is consensus
Bitcoin is mathematics
Bitcoin is innovation
Bitcoin is financial inclusion
Bitcoin is censorship resistance
Bitcoin is freedom
Bitcoin is . a revolution

It is important to keep in mind that there is no correct or incorrect use case with the Bitcoin network. And of course depending on whether you're referencing B-BITCOIN (the NETWORK) or b-bitcoin (the ASSET), the conversation and adjectives may be somewhat confusing. The open-source technology platform was designed, developed, and delpoyed as an "open platform" and community for the world for your personal benefit and specific use case - whatever that may be.

To better understand bitcoin as a new global asset class we invite you to continue learning below. CLICK HERE TO VIEW +100 BITCOIN VIDEOS

US Search Mobile Web

Welcome to the Yahoo Search forum! We’d love to hear your ideas on how to improve Yahoo Search.

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Your search engine does not find any satisfactory results for searches. It is too weak. Also, the server of bing is often off

I created a yahoo/email account long ago but I lost access to it; can y'all delete all my yahoo/yahoo account except for my newest YaAccount

I want all my lost access yahoo account 'delete'; Requesting supporter for these old account deletion; 'except' my Newest yahoo account this Account don't delete! Because I don't want it interfering my online 'gamble' /games/business/data/ Activity , because the computer/security program might 'scure' my Information and detect theres other account; then secure online activities/ business securing from my suspicion because of my other account existing will make the security program be 'Suspicious' until I'm 'secure'; and if I'm gambling online 'Depositing' then I need those account 'delete' because the insecurity 'Suspicioun' will program the casino game 'Programs' securities' to be 'secure' then it'll be 'unfair' gaming and I'll lose because of the insecurity can be a 'Excuse'. Hope y'all understand my explanation!

chithidio@Yahoo.com

i dont know what happened but i can not search anything.

Golf handicap tracker, why can't I get to it?

Why do I get redirected on pc and mobile device?

Rahyaftco@yahoo.com

RYAN RAHSAD BELL literally means

Question on a link

In the search for Anaïs Nin, one of the first few links shows a picture of a man. Why? Since Nin is a woman, I can’t figure out why. Can you show some reason for this? Who is he? If you click on the picture a group of pictures of Nin and no mention of that man. Is it an error?

Repair the Yahoo Search App.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

I contacted Samsung thru their Samsung Tutor app on my phone. I gave their Technican access to my phone to see if there was a problem with my phone that stopped the Yahoo Search App from working. He went to Yahoo and I signed in so he could try to fix the Yahoo Search App not working. He also used another phone, installed the app from the Google Play Store to see if the app would do any kind of search thru the app. The Yahoo Search App just wasn't working.

I also had At&t try to help me because I have UVERSE for my internet service. My internet was working perfectly. Their Technical Support team member checked the Yahoo Search App and it wouldn't work for him either.

We can go to www.yahoo.com and search for any topic or website. It's just the Yahoo Search App that won't allow anyone to do web searches at all.

I let Google know that the Yahoo Search App installed from their Google Play Store had completely stopped working on May 18, 2018.

I told them that Yahoo has made sure that their Yahoo members can't contact them about anything.

I noticed that right after I accepted the agreement that said Oath had joined with Verizon I started having the problem with the Yahoo Search App.
No matter what I search for or website thru the Yahoo Search App it says the following after I searched for
www.att.com.

WEBPAGE NOT AVAILABLE
This webpage at gttp://r.search.yahoo.com/_ylt=A0geJGq8BbkrgALEMMITE5jylu=X3oDMTEzcTjdWsyBGNvbG8DYmyxBHBvcwMxBHZ0aWQDTkFQUEMwxzEEc2VjA3NylRo=10/Ru=https%3a%2f%2fwww.att.att.com%2f/Rk=2/Es=plkGNRAB61_XKqFjTEN7J8cXA-
could not be loaded because:
net::ERR_CLEARTEXT_NOT_PERMITTED

I tried to search for things like www.homedepot.com. The same thing happened. It would say WEBPAGE NOT AVAILABLE. The only thing that changed were all the upper and lower case letters, numbers and symbols.
Then it would again say
could not be loaded because:
net::ERR_CLEARTEXT_NOT_PERMITTED

This is the same thing that happened when Samsung and At&t tried to do any kind of searches thru the Yahoo Search App.

Yahoo needs to fix the problem with their app.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

One more step

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What can I do to prevent this in the future?

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If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.

Cloudflare Ray ID: 422aa717749f90b3 • Your IP : 185.87.51.142 • Performance & security by Cloudflare

One more step

Please complete the security check to access bitcoinexchangeguide.com

Why do I have to complete a CAPTCHA?

Completing the CAPTCHA proves you are a human and gives you temporary access to the web property.

What can I do to prevent this in the future?

If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.

Cloudflare Ray ID: 422aa718037c8f45 • Your IP : 185.87.51.142 • Performance & security by Cloudflare

Bitcoin network

There are many concerns to take into account when dealing with cryptocurrency. One of the bigger.

Africa Should Embrace the Blockchain to Boost Development, Say Experts

Interest in the blockchain and the various use cases it’s being applied to is highlighting the.

№1: Streamity Team Announced Streamdesk Service Launch Dates and Explained Its Future Plans

There is little time left until the launch of Streamity project’s main service. In the run-up.

4NEW: Blockchain Powered by Free Energy

The first law of Thermodynamics states “Energy is neither created nor destroyed. It simply transforms.

February 12, 2018 · 4:40 am

Bithumb to Disable Trading in Nearly a Dozen Countries

South Korea is an important country in the cryptocurrency world. Its exchanges also generate a.

May 28, 2018 · 9:00 pm

ICO Investing Established as the New Authority in 2018 – Hyperion.

In 2017, the team at Invictus Capital launched one of the top 25 ICOs of.

May 28, 2018 · 8:12 pm

Cryptocean’s Pre-ICO Gaining Huge Trust With ICO Expected To Be A.

Successful Pre-ICO Of Cryptocean Is Crypto World’s Recent Buzz Cryptocean Expected To Hit the Crypto.

May 28, 2018 · 8:08 pm

First Smart Contract Testnet for Cardano is Live

There is a lot of hype and excitement surrounding the Cardano project. This is despite.

May 28, 2018 · 5:19 pm

LTCUSD Technical Analysis for 05/28/2018 – Wedge Breakout To Happen Soon!

LTCUSD continues to trend lower, moving inside a falling wedge pattern on the 4-hour chart.

May 28, 2018 · 8:04 am

Is Jack Liao Responsible for the Bitcoin Gold Network Attack?

There is a lot of speculation regarding the Bitcoin Gold issues. Some sources claim a.

May 27, 2018 · 4:30 pm

Kuwait Finance House Joins RippleNet for Improved Cross-Border Transactions

Financial institutions around the world keep a close eye on blockchain technology. This new technology can.

May 27, 2018 · 1:37 pm

John McAfee Expects a Bitcoin Price of $15,000 by June 2018

John McAfee always has interesting opinions on cryptocurrency. While most of his social media posts.

May 26, 2018 · 6:00 pm

Storm Daniels Accepts Vice Industry Tokens Rather Than Verge

There has always been an interesting correlation between porn and cryptocurrency. Some people consider this.

May 26, 2018 · 12:47 pm

Japan’s Money Forward Will launch a Cryptocurrency Exchange

Cryptocurrencies remain incredibly popular in Japan. This is mainly because the country legalized Bitcoin and.

May 25, 2018 · 5:15 pm

Spain’s Central Bank Governor Claims Cryptocurrencies Present ‘More Risks Than Benefits’

The Governor of Spain’s central bank has said that cryptocurrencies present ‘more risks than benefits,’.

May 25, 2018 · 1:30 pm

Rumors Surface Regarding Bitfinex Having a Bank Account in Puerto Rico

Bitfinex is one of the more controversial cryptocurrency companies. While a prominent exchange, there’s also.

May 25, 2018 · 1:16 pm

4NEW: Blockchain Powered by Free Energy

The first law of Thermodynamics states “Energy is neither created nor destroyed. It simply transforms itself from one form to another.” Nowhere is this law better applied than in the.

Guest · February 12, 2018 · 4:40 am

Performing a 51% Attack Against Overhyped Altcoins is Relatively Cheap

There are many concerns to take into account when dealing with cryptocurrency. One of the bigger threats to date is the 51% attack. Some websites and criminals specialize in this.

JP Buntinx · May 29, 2018 · 5:12 pm

Africa Should Embrace the Blockchain to Boost Development, Say Experts

Interest in the blockchain and the various use cases it’s being applied to is highlighting the impact it is having on different sectors, and now Africa is being urged to.

№1: Streamity Team Announced Streamdesk Service Launch Dates and Explained Its Future Plans

There is little time left until the launch of Streamity project’s main service. In the run-up to this event Streamity team presented its alpha-version, which is accessible for testing to.

lvnadmin · May 28, 2018 · 9:24 pm

Bithumb to Disable Trading in Nearly a Dozen Countries

South Korea is an important country in the cryptocurrency world. Its exchanges also generate a ton of trading volume. That situation may come to change pretty soon. Bithumb will suspend.

JP Buntinx · May 28, 2018 · 9:00 pm

ICO Investing Established as the New Authority in 2018 – Hyperion Fund Poised to Capture Further Growth

In 2017, the team at Invictus Capital launched one of the top 25 ICOs of all time with CRYPTO20, the world’s first tokenized crypto index fund. Now, in their second.

lvnadmin · May 28, 2018 · 8:12 pm

Cryptocean’s Pre-ICO Gaining Huge Trust With ICO Expected To Be A Success

Successful Pre-ICO Of Cryptocean Is Crypto World’s Recent Buzz Cryptocean Expected To Hit the Crypto Market With Huge Success May 15th, 2018 marks another great day for the crypto community.

lvnadmin · May 28, 2018 · 8:08 pm

First Smart Contract Testnet for Cardano is Live

There is a lot of hype and excitement surrounding the Cardano project. This is despite the lack of any real technology in the form of live products. Things are slowly.

JP Buntinx · May 28, 2018 · 5:19 pm

LTCUSD Technical Analysis for 05/28/2018 – Wedge Breakout To Happen Soon!

LTCUSD continues to trend lower, moving inside a falling wedge pattern on the 4-hour chart and approaching its peak. This means that a breakout is bound to happen soon, and.

Sara Jenn · May 28, 2018 · 8:04 am

Is Jack Liao Responsible for the Bitcoin Gold Network Attack?

There is a lot of speculation regarding the Bitcoin Gold issues. Some sources claim a mining pool attacked the network. Others claim it was Bitmain deploying additional ASICs to take.

US Search Mobile Web

Welcome to the Yahoo Search forum! We’d love to hear your ideas on how to improve Yahoo Search.

The Yahoo product feedback forum now requires a valid Yahoo ID and password to participate.

If you have a valid Yahoo ID and password, follow these steps if you would like to remove your posts, comments, votes, and/or profile from the Yahoo product feedback forum.

Vote for an existing idea ( )
or
Post a new idea…

Hot ideas
Top ideas
New ideas
Category
Status
My feedback

Improve your services

Your search engine does not find any satisfactory results for searches. It is too weak. Also, the server of bing is often off

I created a yahoo/email account long ago but I lost access to it; can y'all delete all my yahoo/yahoo account except for my newest YaAccount

chithidio@Yahoo.com

i dont know what happened but i can not search anything.

Golf handicap tracker, why can't I get to it?

Why do I get redirected on pc and mobile device?

Rahyaftco@yahoo.com

RYAN RAHSAD BELL literally means

Question on a link

Repair the Yahoo Search App.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

We can go to www.yahoo.com and search for any topic or website. It's just the Yahoo Search App that won't allow anyone to do web searches at all.

I let Google know that the Yahoo Search App installed from their Google Play Store had completely stopped working on May 18, 2018.

I told them that Yahoo has made sure that their Yahoo members can't contact them about anything.

This is the same thing that happened when Samsung and At&t tried to do any kind of searches thru the Yahoo Search App.

Yahoo needs to fix the problem with their app.

Yahoo Search App from the Google Play Store on my Samsung Galaxy S8+ phone stopped working on May 18, 2018.

I went to the Yahoo Troubleshooting page but the article that said to do a certain 8 steps to fix the problem with Yahoo Services not working and how to fix the problem. Of course they didn't work.

Running A Full Node

Support the Bitcoin network by running your own full node

What Is A Full Node?

A full node is a program that fully validates transactions and blocks. Almost all full nodes also help the network by accepting transactions and blocks from other full nodes, validating those transactions and blocks, and then relaying them to further full nodes.

Most full nodes also serve lightweight clients by allowing them to transmit their transactions to the network and by notifying them when a transaction affects their wallet. If not enough nodes perform this function, clients won’t be able to connect through the peer-to-peer network—they’ll have to use centralized services instead.

Many people and organizations volunteer to run full nodes using spare computing and bandwidth resources—but more volunteers are needed to allow Bitcoin to continue to grow. This document describes how you can help and what helping will cost you.

Costs And Warnings

Running a Bitcoin full node comes with certain costs and can expose you to certain risks. This section will explain those costs and risks so you can decide whether you’re able to help the network.

Special Cases

Miners, businesses, and privacy-conscious users rely on particular behavior from the full nodes they use, so they will often run their own full nodes and take special safety precautions. This document does not cover those precautions—it only describes running a full node to help support the Bitcoin network in general.

Please seek out assistance in the community if you need help setting up your full node correctly to handle high-value and privacy-sensitive tasks. Do your own diligence to ensure who you get help from is ethical, reputable and qualified to assist you.

Secure Your Wallet

It’s possible and safe to run a full node to support the network and use its wallet to store your bitcoins, but you must take the same precautions you would when using any Bitcoin wallet. Please see the securing your wallet page for more information.

Minimum Requirements

Bitcoin Core full nodes have certain requirements. If you try running a node on weak hardware, it may work—but you’ll likely spend more time dealing with issues. If you can meet the following requirements, you’ll have an easy-to-use node.

Desktop or laptop hardware running recent versions of Windows, Mac OS X, or Linux.

145 gigabytes of free disk space, accessable at a minimum read/write speed of 100 MB/s.

2 gigabytes of memory (RAM)

A broadband Internet connection with upload speeds of at least 400 kilobits (50 kilobytes) per second

An unmetered connection, a connection with high upload limits, or a connection you regularly monitor to ensure it doesn’t exceed its upload limits. It’s common for full nodes on high-speed connections to use 200 gigabytes upload or more a month. Download usage is around 20 gigabytes a month, plus around an additional 140 gigabytes the first time you start your node.

6 hours a day that your full node can be left running. (You can do other things with your computer while running a full node.) More hours would be better, and best of all would be if you can run your node continuously.

Note: many operating systems today (Windows, Mac, and Linux) enter a low-power mode after the screensaver activates, slowing or halting network traffic. This is often the default setting on laptops and on all Mac OS X laptops and desktops. Check your screensaver settings and disable automatic “sleep” or “suspend” options to ensure you support the network whenever your computer is running.

Possible Problems

Bandwidth limits: Some Internet plans will charge an additional amount for any excess upload bandwidth used that isn’t included in the plan. Worse, some providers may terminate your connection without warning because of overuse. We advise that you check whether your Internet connection is subjected to such limitations and monitor your bandwidth use so that you can stop Bitcoin Core before you reach your upload limit.

Anti-virus: Several people have placed parts of known computer viruses in the Bitcoin block chain. This block chain data can’t infect your computer, but some anti-virus programs quarantine the data anyway, making it more difficult to run Bitcoin Core. This problem mostly affects computers running Windows.

Attack target: Bitcoin Core powers the Bitcoin peer-to-peer network, so people who want to disrupt the network may attack Bitcoin Core users in ways that will affect other things you do with your computer, such as an attack that limits your available download bandwidth.

Linux Instructions

The following instructions describe installing Bitcoin Core on Linux systems.

Ubuntu 16.04

*Instructions for Bitcoin Core 0.14.2

If you use Ubuntu Desktop, click the Ubuntu swirl icon to start the Dash and type “term” into the input box. Choose any one of the terminals listed:

Alternatively, access a console or terminal emulator using another method, such as SSH on Ubuntu Server or a terminal launcher in an alternative desktop environment.

Type the following line to add the Bitcoin Personal Package Archive (PPA) to your system:

You will be prompted for your user password. Provide it to continue. Afterwards, the following text will be displayed:

Press enter to continue. The following text (with some variations) will be displayed and you will be returned to the command line prompt:

Type the following line to get the most recent list of packages:

A large number of lines will be displayed as different update files are downloaded. This step may take several minutes on a slow Internet connection.

To continue, choose one of the following options

To install the Bitcoin Core Graphical User Interface (GUI), type the following line and proceed to the Bitcoin Core GUI section below:

To install the Bitcoin Core daemon (bitcoind), which is useful for programmers and advanced users, type the following line and proceed to the Bitcoin Core Daemon section below:

To install both the GUI and the daemon, type the following line and read both the GUI instructions and the daemon instructions. Note that you can’t run both the GUI and the daemon at the same time using the same configuration directory.

After choosing what packages to install, you will be asked whether you want to proceed. Press enter to continue.

Bitcoin Core GUI

To start Bitcoin Core GUI, click the Ubuntu swirl icon to open the Dash, type bitcoin , and click the Bitcoin icon.

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

Bitcoin Core GUI will begin to download the block chain. This step will take at least several days, and it may take much more time on a slow Internet connection or with a slow computer. During the download, Bitcoin Core will use a significant part of your connection bandwidth. You can stop Bitcoin Core at any time by closing it; it will resume from the point where it stopped the next time you start it.

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login.

While running Bitcoin Core GUI, open the Settings menu and choose Options. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI will be automatically started in as an icon in the tray.

You have now completed installing Bitcoin Core. If you have any questions, please ask in one of Bitcoin’s many communities, such as Bitcoin StackExchange, BitcoinTalk technical support, or the #bitcoin IRC chatroom on Freenode.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

If you’re logged in as an administrative user with sudo access, you may log out. The steps in this section should be performed as the user you want to run Bitcoin Core. (If you’re an expert administrator, you can make this a locked account used only by Bitcoin Core.)

From the terminal, type:

It will print a message that Bitcoin Core is starting. To interact with Bitcoin Core daemon, you will use the command bitcoin-cli (Bitcoin command line interface).

Note: it may take up to several minutes for Bitcoin Core to start, during which it will display the following message whenever you use bitcoin-cli :

After it starts, you may find the following commands useful for basic interaction with your node: getblockchaininfo , getnetworkinfo , getnettotals , getwalletinfo , stop , and help .

For example, to safely stop your node, run the following command:

A complete list of commands is available in the Bitcoin.org developer reference.

When Bitcoin Core daemon first starts, it will begin to download the block chain. This step will take at least several days, and it may take much more time on a slow Internet connection or with a slow computer. During the download, Bitcoin Core will use a significant part of your connection bandwidth. You can stop Bitcoin Core at any time using the stop command; it will resume from the point where it stopped the next time you start it.

Optional: Start Your Node At Boot

Starting your node automatically each time your computer boots makes it easy for you to contribute to the network. The easiest way to do this is to start Bitcoin Core daemon from your crontab. To edit your crontab, run the following command:

Scroll to the bottom of the file displayed and add the following line:

Save the file and exit; the updated crontab file will be installed for you. Now Bitcoin Core daemon will be automatically started each time your reboot your computer.

If you’re an Ubuntu expert and want to use an init script instead, see this Upstart script.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Other Linux Distributions

*Instructions for Bitcoin Core 0.14.2

The following instructions describe installing Bitcoin Core using tools available in most mainstream Linux distributions. We assume you use a Bourne-like shell such as bash .

Using any computer, go to the Bitcoin Core download page and verify you have made a secure connection to the server.

In the “Linux (tgz)” section of the Download page, choose the appropriate file for your Linux install (either 32-bit or 64-bit) and download the file. If necessary, move the file to the computer you want to use to run Bitcoin Core.

Optional: Verify the release signatures

If you know how to use PGP, you should also click the Verify Release Signatures link on the download page to download a signed list of SHA256 file hashes. The 0.11 and later releases are signed by Wladimir J. van der Laan’s releases key with the fingerprint:

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

You should verify these keys belong to their owners using the web of trust or other trustworthy means. Then use PGP to verify the signature on the release signatures file. Finally, use PGP or another utility to compute the SHA256 hash of the archive you downloaded, and ensure the computed hash matches the hash listed in the verified release signatures file.

If you aren’t already logged into the computer you want to install Bitcoin on, login now. Make sure you use an account that can use su or sudo to install software into directories owned by the root user.

If you logged in graphically, start a terminal. If you logged in another way, we will assume you’re already in a shell.

Locate the file you downloaded and extract it using the tar command followed by the argument xzf followed by the file name. The argument xzf means eXtract the gZipped tar archive File. For example, for a 64-bit tar archive in your current directory, the command is:

This will create the directory bitcoin-0.14.2 within your current working directory. We will install the contents of its bin subdirectory into the /usr/local/bin directory using the the install command. The install command is part of the GNU coreutils available on nearly every Linux distribution, and the /usr/local/bin directory is a standard location for self-installed executables (you may edit the commands below to use a different location).

If you use sudo to run commands as root, use the following command line:

If you use su to run commands as root, use the following command line:

To continue, choose one of the following options

To use Bitcoin Core Graphical User Interface (GUI), proceed to the Bitcoin Core GUI section below.

To use the Bitcoin Core daemon (bitcoind), which is useful for programmers and advanced users, proceed to the Bitcoin Core Daemon section below.

To use both the GUI and the daemon, read both the GUI instructions and the daemon instructions. Note that you can’t run both the GUI and the daemon at the same time using the same configuration directory.

Bitcoin Core GUI

In order to use Bitcoin Core GUI, you will need several libraries installed. All of them should be available in all major recently-released Linux distributions, but they may not be installed on your computer yet. To determine whether you’re missing any libraries, open a terminal (if you haven’t already) and run the command /usr/local/bin/bitcoin-qt to start Bitcoin Core GUI.

If all the required libraries are installed, Bitcoin Core will start. If a required library is missing, an error message similar to the following message will be displayed:

Search your distribution’s package database for the missing file missing and install package containing that file. Then re-run /usr/local/bin/bitcoin-qt to see if it’s missing another file. Repeat until Bitcoin Core GUI starts.

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login. This only works in desktop environments that support the autostart specification, such as Gnome, KDE, and Unity.

While running Bitcoin Core GUI, open the Settings menu and choose Options. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI should be automatically started in as an icon in the tray.

If Bitcoin Core GUI does not automatically start, you may need to add it to an .xinit or .xsession file as described here.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

If you’re logged in as an administrative user with sudo access, you may log out. The steps in this section should be performed as the user you want to run Bitcoin Core. (This can be a locked account used only by Bitcoin Core.) If you changed users in a graphical interface, start a terminal.

Type the following command:

It will print a message that Bitcoin Core is starting. To interact with Bitcoin Core daemon, you will use the command bitcoin-cli (Bitcoin command line interface).

Note: it may take up to several minutes for Bitcoin Core to start, during which it will display the following message whenever you use bitcoin-cli :

After it starts, you may find the following commands useful for basic interaction with your node: getblockchaininfo , getnetworkinfo , getnettotals , getwalletinfo , stop , and help .

For example, to safely stop your node, run the following command:

A complete list of commands is available in the Bitcoin.org developer reference.

Optional: Start Your Node At Boot

Scroll to the bottom of the file displayed and add the following line:

Save the file and exit; the updated crontab file will be installed for you. On most distributions, this will cause Bitcoin Core daemon to be automatically started each time your reboot your computer.

If you’re a expert system administrator and want to use an init script instead, see the init scripts directory in Bitcoin Core’s source tree.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Windows Instructions

Windows 10

*Instructions for Bitcoin Core 0.14.2 on Windows 10

Go to the Bitcoin Core download page and verify you have made a secure connection to the server.

Click the large blue Download Bitcoin Core button to download the Bitcoin Core installer to your desktop.

Optional: Verify the release signatures

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

After downloading the file to your desktop or your Downloads folder ( C:\Users\ \Downloads ), run it by double-clicking its icon. Windows will ask you to confirm that you want to run it. Click Yes and the Bitcoin installer will start. It’s a typical Windows installer, and it will guide you through the decisions you need to make about where to install Bitcoin Core.

To continue, choose one of the following options

If you want to use the Bitcoin Core Graphical User Interface (GUI), proceed to the Bitcoin Core GUI section below.

If you want to use the Bitcoin Core daemon (bitcoind), which is useful for programmers and advanced users, proceed to the Bitcoin Core Daemon section below.

To want to use both the GUI and the daemon, read both the GUI instructions and the daemon instructions. Note that you can’t run both the GUI and the daemon at the same time using the same configuration directory.

Bitcoin Core GUI

Press the Windows key ( ⊞ Win ) and start typing “bitcoin”. When the Bitcoin Core icon appears (as shown below), click on it.

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

Your firewall may block Bitcoin Core from making outbound connections. It’s safe to allow Bitcoin Core to use all networks. (Note: you will still need to configure inbound connections as described later in the Network Configuration section.)

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login.

While running Bitcoin Core GUI, open the Settings menu and choose Options. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI will be automatically started minimized in the task bar.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

To start Bitcoin Core daemon, first open a command window: press the Windows key ( ⊞ Win ) and type “cmd”. Choose the option labeled “Command Prompt”.

If you installed Bitcoin Core into the default directory, type the following at the command prompt:

Bitcoin Core daemon should start. To interact with Bitcoin Core daemon, you will use the command bitcoin-cli (Bitcoin command line interface). If you installed Bitcoin Core into the default location, type the following at the command prompt to see whether it works:

Note: it may take up to several minutes for Bitcoin Core to start, during which it will display the following message whenever you use bitcoin-cli :

After it starts, you may find the following commands useful for basic interaction with your node: getblockchaininfo , getnetworkinfo , getnettotals , getwalletinfo , stop , and help .

For example, to safely stop your node, run the following command:

A complete list of commands is available in the Bitcoin.org developer reference.

Optional: Start Your Node At Boot

Starting your node automatically each time your computer boots makes it easy for you to contribute to the network. The easiest way to do this is to start Bitcoin Core daemon when you login to your computer.

Start File Explorer and go to,

Right-click on the File Explorer window and choose New → Text file. Name the file start_bitcoind.bat . Then right-click on it and choose Open in Notepad (or whatever editor you prefer). Copy and paste the following line into the file.

(If you installed Bitcoin Core in a non-default directory, use that directory path instead.)

Save the file. The next time you login to your computer, Bitcoin Core daemon will be automatically started.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Windows 8.x

Instructions for Bitcoin Core 0.14.2 on Windows 8 and 8.1.

Go to the Bitcoin Core download page and verify you have made a secure connection to the server.

Click the large blue Download Bitcoin Core button to download the Bitcoin Core installer to your desktop.

Optional: Verify the release signatures

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

To continue, choose one of the following options

If you want to use the Bitcoin Core Graphical User Interface (GUI), proceed to the Bitcoin Core GUI section below.

If you want to use the Bitcoin Core daemon (bitcoind), which is useful for programmers and advanced users, proceed to the Bitcoin Core Daemon section below.

Bitcoin Core GUI

Press the Windows key ( ⊞ Win ) and start typing “bitcoin”. When the Bitcoin Core icon appears (as shown below), click on it.

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login.

While running Bitcoin Core GUI, open the Settings menu and choose Options. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI will be automatically started minimized in the task bar.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

To start Bitcoin Core daemon, first open a command window: press the Windows key ( ⊞ Win ) and type “cmd”. Choose the option labeled “Command Prompt”.

If you installed Bitcoin Core into the default directory, type the following at the command prompt:

Note: it may take up to several minutes for Bitcoin Core to start, during which it will display the following message whenever you use bitcoin-cli :

After it starts, you may find the following commands useful for basic interaction with your node: getblockchaininfo , getnetworkinfo , getnettotals , getwalletinfo , stop , and help .

For example, to safely stop your node, run the following command:

A complete list of commands is available in the Bitcoin.org developer reference.

Optional: Start Your Node At Boot

Start File Explorer and go to,

(If you installed Bitcoin Core in a non-default directory, use that directory path instead.)

Save the file. The next time you login to your computer, Bitcoin Core daemon will be automatically started.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

*Instructions for Bitcoin Core 0.14.2

Go to the Bitcoin Core download page and verify you have made a secure connection to the server.

Click the large blue Download Bitcoin Core button to download the Bitcoin Core installer to your desktop.

Optional: Verify the release signatures

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

To continue, choose one of the following options

If you want to use the Bitcoin Core Graphical User Interface (GUI), proceed to the Bitcoin Core GUI section below.

If you want to use the Bitcoin Core daemon (bitcoind), which is useful for programmers and advanced users, proceed to the Bitcoin Core Daemon section below.

Bitcoin Core GUI

Open the Start menu, type bitcoin into the search box, and click the Bitcoin Core icon.

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login.

While running Bitcoin Core GUI, open the Settings menu and choose Options. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI will be automatically started minimized in the task bar.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

To start Bitcoin Core daemon, first open a command window: press the Windows key ( ⊞ Win ) and type “cmd”. Choose the program named “cmd.exe”

If you installed the Bitcoin Core into the default directory, type the following at the command prompt :

Bitcoin Core daemon should start. You can now try using Bitcoin Cli Utility.

To interact with Bitcoin Core daemon, you will use the command bitcoin-cli (Bitcoin command line interface). If you installed Bitcoin Core into the default location, type the following at the command prompt to see whether it works:

Note: it may take up to several minutes for Bitcoin Core to start, during which it will display the following message whenever you use bitcoin-cli :

After it starts, you may find the following commands useful for basic interaction with your node: getblockchaininfo , getnetworkinfo , getnettotals , getwalletinfo , stop , and help .

For example, to safely stop your node, run the following command:

A complete list of commands is available in the Bitcoin.org developer reference.

Optional: Start Your Node At Boot

Start File Explorer and go to,

You can also access this folder by executing the following command after reaching the Execute. prompt :

(If you installed Bitcoin Core in a non-default directory, use that directory path instead.)

Save the file. The next time you login to your computer, Bitcoin Core daemon will be automatically started.

Warning: to prevent data corruption, do not force shutdown your computer from the Windows shutdown screen when you have Bitcoin Core running.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Mac OS X Instructions

Mac OS X Yosemite 10.10.x

Instructions for Bitcoin Core 0.14.2 on Mac OS X Yosemite

Go to the Bitcoin Core download page and verify you have made a secure connection to the server.

Click the large blue Download Bitcoin Core button to download the Bitcoin Core installer to your Downloads folder.

Optional: Verify the release signatures

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

After downloading the file to your Downloads folder ( /Users/ /Downloads ), run it by double-clicking its icon. OS X will open a Finder window for you to drag Bitcoin Core to your Applications folder.

Bitcoin Core GUI

The first time running Bitcoin Core, Max OS X will ask you to confirm that you want to run it:

You will be prompted to choose a directory to store the Bitcoin block chain and your wallet. Unless you have a separate partition or drive you want to use, click Ok to use the default.

After download is complete, you may use Bitcoin Core as your wallet or you can just let it run to help support the Bitcoin network.

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core GUI to start at login.

While running Bitcoin Core GUI, open the Bitcoin Core menu and choose Preferences. On the Main tab, click Start Bitcoin on system login. Click the Ok button to save the new settings.

The next time you login to your desktop, Bitcoin Core GUI will be automatically started minimized in the task bar.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Bitcoin Core Daemon

The Bitcoin Core daemon (bitcoind) is not included in the .dmg file you may have downloaded to install Bitcoin-QT. Bitcoind, along with its support binaries, is instead included in the OS X .tar.gz file listed on the official Bitcoin Core download page. To download this file using Terminal, execute the following command:

Optional: Verify the release signatures

Earlier releases were signed by Wladimir J. van der Laan’s regular key. That key’s fingerprint is:

Even earlier releases were signed by Gavin Andresen’s key. His primary key’s fingerprint is:

Extract bitcoind and its support binaries from the archive we just downloaded by running this command in Terminal:

Now we’ll move the executables into your default path to make running and stopping bitcoind easier. To move the executables, run these commands (note that we have to use sudo to perform these commands since we are modifying directories owned by root):

To clean up the directory we’ve been working in, run:

You should now be able to start up your full node by running bitcoind -daemon in any Terminal window. If you need to stop bitcoind for any reason, the command is bitcoin-cli stop

Optional: Start Your Node At Login

Starting your node automatically each time you login to your computer makes it easy for you to contribute to the network. The easiest way to do this is to tell Bitcoin Core Daemon to start at login. In OS X, the way to start background programs at login is using a Launch Agent. Here is how to install a Launch Agent for Bitcoin Core daemon on your machine:

The next time you login to your desktop, Bitcoin Core daemon will be automatically started.

To support the Bitcoin network, you also need to allow incoming connections. Please read the Network Configuration section for details.

Upgrading Bitcoin Core

If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer (on Windows) or just copy over /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).

The blockchain and wallet files in the data directory are compatible between versions so there is no requirement to make any changes to the data directory when upgrading. Occasionally the format of those files changes, but the new Bitcoin Core version will include code that automatically upgrades the files to the new format so no manual intervention is required.

Sometimes upgrade of the blockchain data files from very old versions to the new versions is not supported. In those cases it may be necessary to redownload the blockchain. Check the release notes of the new version if you are planning to upgrade from a very old version.

Sometimes downgrade is not possible because of changes to the data files. Again, check the release notes for the new version if you are planning to downgrade.

Network Configuration

If you want to support the Bitcoin network, you must allow inbound connections.

When Bitcoin Core starts, it establishes 8 outbound connections to other full nodes so it can download the latest blocks and transactions. If you just want to use your full node as a wallet, you don’t need more than these 8 connections—but if you want to support lightweight clients and other full nodes on the network, you must allow inbound connections.

Servers connected directly to the Internet usually don’t require any special configuration. You can use the testing instructions below to confirm your server-based node accepts inbound connections.

Home connections are usually filtered by a router or modem. Bitcoin Core will request your router automatically configure itself to allow inbound connections to Bitcoin’s port, port 8333. Unfortunately many routers don’t allow automatic configuration, so you must manually configure your router. You may also need to configure your firewall to allow inbound connections to port 8333. Please see the following subsections for details.

Testing Connections

The BitNodes project provides an online tool to let you test whether your node accepts inbound connections. Before using BitNodes, you must first ensure that your node is fully synced with the block chain. Once you’ve done so, start Bitcoin Core (either the GUI or the daemon), wait 10 minutes, and then visit the Bitnodes page. The tool will attempt to guess your IP address—if the address is wrong (or blank), you will need to enter your address manually.

After you press Check Node, the tool will inform you whether your port is open (green box) or not open (red box). If you get the green box, you don’t need to do anything—you accept inbound connections. If you get the red box, please read the enabling connections subsection.

For confirmation that you accept inbound connections, you can use Bitcoin Core. Bitcoin Core can’t tell you directly whether you allow inbound connections, but it can tell you whether or not you currently have any inbound connections. If your node has been online for at least 30 minutes, it should normally have inbound connections. If want to check your peer info using Bitcoin Core, choose the appropriate instructions below:

GUI Peer Info

In the bottom right corner of the Bitcoin Core GUI are several icons. If you hover over the signal strength icon, it will tell you how many connections you have. The icon won’t turn green until you have more than 8 active connections, which only happens if inbound connections are allowed.

For confirmation, you can go to the Help menu, choose Debug Window, and open the Information tab. In the Network section, it will tell you exactly how many inbound connections you have. If the number is greater than zero, then inbound connections are allowed.

If you don’t have inbound connections, please read the instructions for enabling inbound connections.

Daemon Peer Info

The getconnectioncount command will tell you how many connections you have. If you have more than 8 connections, inbound connections are allowed. For example:

For confirmation, you can use the getpeerinfo command to get information about all of your peers. Each peer’s details will include an inbound field set to true if the connection is inbound. If you have any inbound connections, then inbound connections are allowed.

If you don’t have inbound connections, please read instructions for enabling inbound connections.

Enabling Connections

If Bitcoin Core can’t automatically configure your router to open port 8333, you will need to manually configure your router. We’ve tried to make the following instructions generic enough to cover most router models; if you need specific help with your router, please ask for help on a tech support site such as SuperUser.

Enabling inbound connections requires two steps, plus an extra third step for firewall users:

Giving your computer a static (unchanging) internal IP address by configuring the Dynamic Host Configuration Protocol (DHCP) on your router.

Forwarding inbound connections from the Internet through your router to your computer where Bitcoin Core can process them.

Configuring your firewall to allow inbound connections. This step mainly applies to Windows users, as Mac OS X and most Linuxes do not enable a firewall by default.

Configuring DHCP

In order for your router to direct incoming port 8333 connections to your computer, it needs to know your computer’s internal IP address. However, routers usually give computers dynamic IP addresses that change frequently, so we need to ensure your router always gives your computer the same internal IP address.

Start by logging into your router’s administration interface. Most routers can be configured using one of the following URLs, so keep clicking links until you find one that works. If none work, consult your router’s manual.

Upon connecting, you will probably be prompted for a username and password. If you configured a password, enter it now. If not, the Router Passwords site provides a database of known default username and password pairs.

After logging in, you want to search your router’s menus for options related to DHCP, the Dynamic Host Configuration Protocol. These options may also be called Address Reservation. For example, the router page shown below calls the option we need “DHCP Reservation”:

In the reservation configuration, some routers will display a list of computers and devices currently connected to your network, and then let you select a device to make its current IP address permanent:

If that’s the case, find the computer running Bitcoin Core in the list, select it, and add it to the list of reserved addresses. Make a note of its current IP address—we’ll use the address in the next section.

Other routers require a more manual configuration. For these routers, you will need to look up the fixed address (MAC address) for your computer’s network card and add it to the list. This operation differs by operating system:

Windows 7 & 8: Press Win-R (Windows key plus the R key) to open the Run dialog. Type cmd to open the console. Type ipconfig /all and find the result that best matches your connection—usually a wireless connection. Look for a line that starts with “Physical Address” and contains a value like this:

Replace all the dashes with colons, so the address looks like this: 01:23:45:67:89:AB. Use that address in the instructions below.

Linux: open a terminal and type ifconfig . Find the result that best matches your connection—a result starting with wlan indicates a wireless connection. Find the field that starts with HWaddr and copy the immediately following field that looks like 01:23:45:67:89:ab. Use that value in the instructions below.

Mac OS X: open a terminal and type ifconfig . Find the result that best matches your connection—a result starting with en1 usually indicates a wireless connection. Find the field that starts with ether: and copy the immediately following field that looks like 01:23:45:67:89:ab. Use that value in the instructions below.

Once you have the MAC address, you can fill it into to your router’s manual DHCP assignment table, as illustrated below. Also choose an IP address and make a note of it for the instructions in the next subsection. After entering this information, click the Add or Save button.

Then reboot your computer to ensure it gets assigned the address you selected and proceed to the Port Forwarding instructions below.

Port Forwarding

For this step, you need to know the local IP address of the computer running Bitcoin Core. You should have this information from configuring the DHCP assignment table in the subsection above.

Login to your router using the same steps described near the top of the DHCP subsection. Look for an option called Port Forwarding, Port Assignment, or anything with “Port” in its name. On the some routers, this option is buried in an Applications & Gaming menu.

The port forwarding settings should allow you to map an external port on your router to the “internal port” of a device on your network as shown in the screenshot below.

Both the external port and the internal port should be 8333 for Bitcoin. (You may also want to map port 18333 for Bitcoin’s testnet, although this guide does not cover using testnet.) Make sure the IP address you enter is the same one you configured in the previous subsection.

After filling in the details for the mapping, save the entry. You should not need to restart anything. Start Bitcoin Core (if you haven’t already) and follow the Testing Connections instructions to test your connection.

If you still can’t connect and you use a firewall, you probably need to change your firewall settings. See the Firewall section below.

If something else went wrong, it’s probably a problem with your router configuration. Re-read the instructions above to see if you missed anything, search the web for help with “port forwarding”, and ask for help on sites like SuperUser.

We can’t provide direct support, but if you see a way to improve these instructions, please open an issue.

Firewall Configuration

Firewalls block inbound connections. To use Bitcoin, you need to configure your computer’s firewall to allow connections to port 8333. This is usually as easy as starting your firewall configuration software and defining a new rule to allow inbound connections to port 8333. For additional information for Windows, see the links below:

Mac OS X comes with its firewall disabled by default, but if you have enabled it, see the section Allowing Specific Applications from the official Apple guide.

Ubuntu also comes with its firewall disabled by default, but if you have enabled it, see the Ubuntu wiki page for information about adding port forwarding rules.

Once you have allowed inbound connections to port 8333, start Bitcoin Core (if you haven’t already) and follow the Testing Connections instructions to test your connection.

If something else went wrong re-read the DHCP, port forwarding, and firewall instructions above to see if you missed anything, search the web for help with “port forwarding” and “opening firewall ports”, and ask for help on sites like SuperUser.

We can’t provide direct support, but if you see a way to improve these instructions, please open an issue.

Configuration Tuning

This section contains advice about how to change your Bitcoin Core configuration to adapt it to your needs.

There are two ways to change your configuration. The first is to start Bitcoin Core with the options you want. For example, if you want to limit it to using one CPU core for signature verification, you can start Bitcoin Core like this:

Once you’ve decided you like an option, you can add it to the Bitcoin Core configuration file. You can find that file in the following directories:

OSX: $HOME/Library/Application Support/Bitcoin/

To add an option to the configuration file, just remove its leading dash. You may also need to remove any quotation marks you used in your shell. For example, the -par option seen above would look like this in the configuration file:

A user-friendly configuration file generator is available here. If you have any questions about configuring Bitcoin Core, please stop by one of our forums or live chatrooms.

Reduce Storage

It is possible to configure your node to to run in pruned mode in order to reduce storage requirements. This can reduce the disk usage from over 145GB to around 5GB.

Running a node in pruned mode is incompatible with -txindex and -rescan . It also disables the RPC importwallet . Two RPCs that are available and potentially helpful, however, are importprunedfunds and removeprunedfunds .

To enable block pruning set prune=N on the command line or in bitcoin.conf , where N is the number of MiB to allot for raw block and undo data.

A value of 0 disables pruning. The minimal value above 0 is 550 . Your wallet is as secure with high values as it is with low ones. Higher values merely ensure that your node will not shut down upon blockchain reorganizations of more than 2 days - which are unlikely to happen in practice. In future releases, a higher value may also help the network as a whole because stored blocks could be served to other nodes.

Reduce Traffic

Some node operators need to deal with bandwidth caps imposed by their ISPs.

By default, bitcoin-core allows up to 125 connections to different peers, 8 of which are outbound. You can therefore, have at most 117 inbound connections.

The default settings can result in relatively significant traffic consumption.

Ways to reduce traffic:

Maximum Upload Targets

A major component of the traffic is caused by serving historic blocks to other nodes during the initial blocks download phase (syncing up a new node). This option can be specified in MiB per day and is turned off by default. This is not a hard limit; only a threshold to minimize the outbound traffic. When the limit is about to be reached, the uploaded data is cut by no longer serving historic blocks (blocks older than one week). Keep in mind that new nodes require other nodes that are willing to serve historic blocks. The recommended minimum is 144 blocks per day (max. 144MB per day)

Disable listening

Disabling listening will result in fewer nodes connected (remember the maximum of 8 outbound peers). Fewer nodes will result in less traffic usage as you are relaying blocks and transactions to fewer nodes.

Reduce maximum connections

Reducing the maximum connected nodes to a minimum could be desirable if traffic limits are tiny. Keep in mind that bitcoin’s trustless model works best if you are connected to a handful of nodes.

Blocks-only mode

Causes your node to stop requesting and relaying transactions unless they are part of a block and also disables listening as described above.

This reduces your node’s bandwidth to the absolute minimum necessary to stay synchronized with the network, about 150 megabytes incoming data per day and about 1 megabyte of outgoing data per day, but it does mean that your node won’t see incoming transactions until they’ve received at least one confirmation.

You will still be able to send transactions from the built-in wallet or from peers you’ve whitelisted using the -whitelist parameter.

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среда, 20 июня 2018 г.

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№1: Streamity Team Announced Streamdesk Service Launch Dates and Explained Its Future Plans

4NEW: Blockchain Powered by Free Energy

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