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Now live, Satoshi Pulse. A comprehensive, realtime listing of the cryptocurrency market. View prices, charts, transaction volumes, and more for the top 500 cryptocurrencies trading today.

Latest News

What Happened to Bitcoin?

The Bitcoin Core (BTC) network is in trouble due to high fees and slow transaction times. Bitcoin Cash (BCH) is the upgrade that solves these problems.

Learn more about Bitcoin Cash with our guide

DOWNLOAD A WALLET

Get Started With Bitcoin

Learn About Bitcoin

Bitcoin is changing the way people think about money. Educate yourself about this ground-breaking payment system.

Download a Wallet

Bitcoin is received, stored, and sent using software known as a вЂ˜Bitcoin WalletвЂ™. Download the official Bitcoin.com Wallet for free.

Use Bitcoin

Bitcoin makes it easy to send real money quickly to anywhere in the world! Bitcoin can also be used to make purchases from a variety of online retailers.

Read the Latest

Bitcoin.com offers the latest news, cutting-edge reporting. Also, donвЂ™t miss our Bitcoin guides.

Visit the Forum

Read about community issues. Voice your opinion. Check out the latest Bitcoin trends.

Play Bitcoin Games

Play casino games with free tokens or actual Bitcoin. Bitcoin Games is a provably fair gaming platform.

Start Cloud Mining

Join the most profitable mining pool in the world.

Vote on Bitcoin Issues

Bitcoinocracy is a free and decentralized way to voice your opinion. Signed votes cannot be forged, and are fully auditable by all users.

Bitcoin (USD) Price

Pricing News

German Authorities Sold $14 Million in Seized Cryptos Over Price Fears

May 29, 2018 at 10:00 | Wolfie Zhao

Prosecutors in Germany have made an emergency sale of cryptocurrencies seized in two investigations due to concerns over price volatility.

Bitcoin Price Faces Last Major Support Level Before $5K

May 29, 2018 at 09:00 | Omkar Godbole

Bitcoin is down again and looks set to test another key support level at $6,900, the technical charts indicate.

Bitcoin Bears In Charge But Indecision Could Spur Rally

May 28, 2018 at 10:25 | Omkar Godbole

While the odds are still stacked in favor of bitcoin's bears, marketplace exhaustion may have provided a chance for a brief rally.

IHS Markit Has A Plan to Tokenize A $1 Trillion Loan Market

May 28, 2018 at 04:00 | Ian Allison

IHS Markit is developing a blockchain-based system to handle cash payments in syndicated loans – and eventually, in a wider range of transactions.

Just One Top Crypto Bucked This Week's Market Downturn

May 25, 2018 at 15:15 | Omkar Godbole

Shadowing the losses in bitcoin, the top-25 cryptocurrencies have all fallen over the last seven days – all bar one, that is.

Bitcoin Faces Close Below Long-Term Support In First Since 2015

May 25, 2018 at 10:00 | Omkar Godbole

If bitcoin closes the week below the 50-week moving average it will increase the likelihood of a sell-off to $6,000

Revolut App Adds XRP, Bitcoin Cash to Crypto Options

May 24, 2018 at 14:35 | Daniel Palmer

Mobile banking app Revolut now lets users buy, sell and hold Ripple's XRP and bitcoin cash, in addition to bitcoin, litecoin and ether.

Bitcoin Faces Drop to $7K as Bull Defense Crumbles

May 24, 2018 at 09:30 | Omkar Godbole

Bitcoin looks set to test $7,000 in the next 24 hours, courtesy of a bear flag breakdown on the technical charts.

Coinbase Is Rebranding Its Crypto Exchange Service

May 23, 2018 at 20:26 | Nikhilesh De

Coinbase announced Wednesday it was rebranding its GDAX platform as Coinbase Pro. Additionally, the company has acquired Paradex, a relay platform.

Bitcoin Price Faces Bear Indicator Not Seen Since 2014

May 23, 2018 at 09:00 | Omkar Godbole

Following bitcoin's recent losses, a key long-term trend indicator is looking increasingly bearish.

How does Bitcoin work?

This is a question that often causes confusion. Here's a quick explanation!

The basics for a new user

As a new user, you can get started with Bitcoin without understanding the technical details. Once you have installed a Bitcoin wallet on your computer or mobile phone, it will generate your first Bitcoin address and you can create more whenever you need one. You can disclose your addresses to your friends so that they can pay you or vice versa. In fact, this is pretty similar to how email works, except that Bitcoin addresses should only be used once.

Balances - block chain

The block chain is a shared public ledger on which the entire Bitcoin network relies. All confirmed transactions are included in the block chain. This way, Bitcoin wallets can calculate their spendable balance and new transactions can be verified to be spending bitcoins that are actually owned by the spender. The integrity and the chronological order of the block chain are enforced with cryptography.

Transactions - private keys

A transaction is a transfer of value between Bitcoin wallets that gets included in the block chain. Bitcoin wallets keep a secret piece of data called a private key or seed, which is used to sign transactions, providing a mathematical proof that they have come from the owner of the wallet. The signature also prevents the transaction from being altered by anybody once it has been issued. All transactions are broadcast between users and usually begin to be confirmed by the network in the following 10 minutes, through a process called mining.

Processing - mining

Mining is a distributed consensus system that is used to confirm waiting transactions by including them in the block chain. It enforces a chronological order in the block chain, protects the neutrality of the network, and allows different computers to agree on the state of the system. To be confirmed, transactions must be packed in a block that fits very strict cryptographic rules that will be verified by the network. These rules prevent previous blocks from being modified because doing so would invalidate all following blocks. Mining also creates the equivalent of a competitive lottery that prevents any individual from easily adding new blocks consecutively in the block chain. This way, no individuals can control what is included in the block chain or replace parts of the block chain to roll back their own spends.

Going down the rabbit hole

This is only a very short and concise summary of the system. If you want to get into the details, you can read the original paper that describes the system's design, read the developer documentation, and explore the Bitcoin wiki.

What is Bitcoin?

Bitcoin is a new currency that was created in 2009 by an unknown person using the alias Satoshi Nakamoto. Transactions are made with no middle men – meaning, no banks! Bitcoin can be used to book hotels on Expedia, shop for furniture on Overstock and buy Xbox games. But much of the hype is about getting rich by trading it. The price of bitcoin skyrocketed into the thousands in 2017.

Why Bitcoins?

Bitcoins can be used to buy merchandise anonymously. In addition, international payments are easy and cheap because bitcoins are not tied to any country or subject to regulation. Small businesses may like them because there are no credit card fees. Some people just buy bitcoins as an investment, hoping that they’ll go up in value.

Acquiring Bitcoins

Buy on an Exchange
Many marketplaces called “bitcoin exchanges” allow people to buy or sell bitcoins using different currencies. Coinbase is a leading exchange, along with Bitstamp and Bitfinex. But security can be a concern: bitcoins worth tens of millions of dollars were stolen from Bitfinex when it was hacked in 2016.

Transfers
People can send bitcoins to each other using mobile apps or their computers. It’s similar to sending cash digitally.

Mining
People compete to “mine” bitcoins using computers to solve complex math puzzles. This is how bitcoins are created. Currently, a winner is rewarded with 12.5 bitcoins roughly every 10 minutes.

Owning Bitcoins

Bitcoins are stored in a “digital wallet,” which exists either in the cloud or on a user’s computer. The wallet is a kind of virtual bank account that allows users to send or receive bitcoins, pay for goods or save their money. Unlike bank accounts, bitcoin wallets are not insured by the FDIC.

Wallet in cloud: Servers have been hacked. Companies have fled with clients’ Bitcoins.

Wallet on computer: You can accidentally delete them. Viruses could destroy them.

Though each bitcoin transaction is recorded in a public log, names of buyers and sellers are never revealed – only their wallet IDs. While that keeps bitcoin users’ transactions private, it also lets them buy or sell anything without easily tracing it back to them. That’s why it has become the currency of choice for people online buying drugs or other illicit activities.

Future in question

No one knows what will become of bitcoin. It is mostly unregulated, but some countries like Japan, China and Australia have begun weighing regulations. Governments are concerned about taxation and their lack of control over the currency.

Bitcoin worth $9M buried in garbage dump

Hoarders everywhere may be feeling smug after a British man threw a hard drive containing more than $9 million in bitcoin into the trash.

Bitcoin worth almost as much as gold

Bitcoin prices have surged to a high of $1,242. That makes the virtual currency only slightly less expensive than an ounce of gold.

Senate takes a close look at Bitcoin

Bitcoins are hotter than ever. Now a U.S. Senate panel is taking a close look at the digital currency.

Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer. Morningstar: © 2016 Morningstar, Inc. All Rights Reserved. Factset: FactSet Research Systems Inc. 2016. All rights reserved. Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor's Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2016 and/or its affiliates.

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

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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.

Bitcoin se

I'm a big fan of Bitcoin. Regulation of money supply needs to be depoliticized.

Bitcoin is a technological tour de force.

Bill Gates

Every informed person needs to know about Bitcoin because it might be one of the world's most important developments.

Overview - Table of Contents
What is Bitcoin?
Who created Bitcoin?
Who is involved in Bitcoin?
What is the blockchain?
Who controls the Bitcoin network?
How does Bitcoin work?
Free Bitcoins

What is Bitcoin?

With the Bitcoin price so volatile everyone is curious. Bitcoin, the category creator of blockchain technology, is the World Wide Ledger yet extremely complicated and no one definition fully encapsulates it. By analogy it is like being able to send a gold coin via email. It is a consensus network that enables a new payment system and a completely digital money.

It is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. Bitcoin was the first practical implementation and is currently the most prominent triple entry bookkeeping system in existence.

Beware of the confusingly similar Bcash, BCH, Bitcoin Cash project. Visualize and Download High-Resolution Infographic

Who created Bitcoin?

The first Bitcoin specification and proof of concept was published in 2009 by an unknown individual under the pseudonym Satoshi Nakamoto who revealed little about himself and left the project in late 2010. The Bitcoin community has since grown exponentially.

Satoshi's anonymity often raises unjustified concerns because of a misunderstanding of Bitcoin's open-source nature. Everyone has access to all of the source code all of the time and any developer can review or modify the software code. As such, the identity of Bitcoin's inventor is probably as relevant today as the identity of the person who invented paper.

Who is involved in Bitcoin?

Over $1B of investment into Bitcoin and blockchain companies has taken place resulting in thousands of companies and hundreds of thousands of individuals involved from around the world.

What is the Blockchain?

Who controls the Bitcoin network?

Nobody owns the Bitcoin network much like no one owns the technology behind email or the Internet. Bitcoin transactions are verified by Bitcoin miners which has an entire industry and Bitcoin cloud mining options. While developers are improving the software they cannot force a change in the Bitcoin protocol because all users are free to choose what software and version they use.

In order to stay compatible with each other, all users need to use software complying with the same rules. Bitcoin can only work correctly with a complete consensus among all users. Therefore, all users and developers have a strong incentive to protect this consensus.

How does Bitcoin work?

From a user perspective, Bitcoin is nothing more than a mobile app or computer program that provides a personal Bitcoin wallet and enables a user to send and receive bitcoins.

Behind the scenes, the Bitcoin network is sharing a massive public ledger called the "block chain". This ledger contains every transaction ever processed which enables a user's computer to verify the validity of each transaction. The authenticity of each transaction is protected by digital signatures corresponding to the sending addresses therefore allowing all users to have full control over sending bitcoins.

Thus, there is no fraud, no chargebacks and no identifying information that could be compromised resulting in identity theft. To learn more about Bitcoin, you can consult the original Bitcoin whitepaper, read through the extremely thorough Frequently Asked Questions, listen to a Bitcoin podcast or read the latest Bitcoin news.

Sponsors for free Bitcoins

Many people new to Bitcoin are curious about how to get some. Bitcoin faucets, places where bitcoins are given away for free, have been a part of spreading Bitcoin since the earliest days. But one problem is running out of bitcoins to give! That is why we have figured out a sustainable way to give away free bitcoins with sponsors.

Bitcoin (USD) Price

Pricing News

German Authorities Sold $14 Million in Seized Cryptos Over Price Fears

May 29, 2018 at 10:00 | Wolfie Zhao

Prosecutors in Germany have made an emergency sale of cryptocurrencies seized in two investigations due to concerns over price volatility.

Bitcoin Price Faces Last Major Support Level Before $5K

May 29, 2018 at 09:00 | Omkar Godbole

Bitcoin is down again and looks set to test another key support level at $6,900, the technical charts indicate.

Bitcoin Bears In Charge But Indecision Could Spur Rally

May 28, 2018 at 10:25 | Omkar Godbole

While the odds are still stacked in favor of bitcoin's bears, marketplace exhaustion may have provided a chance for a brief rally.

IHS Markit Has A Plan to Tokenize A $1 Trillion Loan Market

May 28, 2018 at 04:00 | Ian Allison

IHS Markit is developing a blockchain-based system to handle cash payments in syndicated loans – and eventually, in a wider range of transactions.

Just One Top Crypto Bucked This Week's Market Downturn

May 25, 2018 at 15:15 | Omkar Godbole

Shadowing the losses in bitcoin, the top-25 cryptocurrencies have all fallen over the last seven days – all bar one, that is.

Bitcoin Faces Close Below Long-Term Support In First Since 2015

May 25, 2018 at 10:00 | Omkar Godbole

If bitcoin closes the week below the 50-week moving average it will increase the likelihood of a sell-off to $6,000

Revolut App Adds XRP, Bitcoin Cash to Crypto Options

May 24, 2018 at 14:35 | Daniel Palmer

Mobile banking app Revolut now lets users buy, sell and hold Ripple's XRP and bitcoin cash, in addition to bitcoin, litecoin and ether.

Bitcoin Faces Drop to $7K as Bull Defense Crumbles

May 24, 2018 at 09:30 | Omkar Godbole

Bitcoin looks set to test $7,000 in the next 24 hours, courtesy of a bear flag breakdown on the technical charts.

Coinbase Is Rebranding Its Crypto Exchange Service

May 23, 2018 at 20:26 | Nikhilesh De

Coinbase announced Wednesday it was rebranding its GDAX platform as Coinbase Pro. Additionally, the company has acquired Paradex, a relay platform.

Bitcoin Price Faces Bear Indicator Not Seen Since 2014

May 23, 2018 at 09:00 | Omkar Godbole

Following bitcoin's recent losses, a key long-term trend indicator is looking increasingly bearish.

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.