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Bitcoin Mining Hardware Guide

The best Bitcoin mining hardware has evolved dramatically since 2009

At first, miners used their central processing unit (CPU) to mine, but soon this wasn't fast enough and it bogged down the system resources of the host computer. Miners quickly moved on to using the graphical processing unit (GPU) in computer graphics cards because they were able to hash data 50 to 100 times faster and consumed much less power per unit of work.

During the winter of 2011, a new industry sprang up with custom equipment that pushed the performance standards even higher. The first wave of these specialty bitcoin mining devices were easy to use Bitcoin miners were based on field-programmable gate array (FPGA) processors and attached to computers using a convenient USB connection.

FPGA miners used much less power than CPU's or GPU's and made concentrated mining farms possible for the first time.

Today's modern and best bitcoin mining hardware

Application-specific integrated circuit (ASIC) miners have taken over completely. These ASIC machines mine at unprecedented speeds while consuming much less power than FPGA or GPU mining rigs. Several reputable companies have established themselves with excellent products.

Bitcoin Mining Hardware Comparison

Currently, based on (1) price per hash and (2) electrical efficiency the best Bitcoin miner options are:

AntMiner S7

AntMiner S9

Best Bitcoin Mining Hardware

Two major factors go into determining the best bitcoin mining hardware: (1) cost and (2) electricity efficiency.

Bitcoin mining is difficult to do profitably but if you try then this Bitcoin miner is probably a good shot.

ASIC Bitcoin Mining Hardware

Application-specific integrated circuit chips (ASICs) are bitcoin mining hardware created solely to solve Bitcoin blocks. They have only minimal requirements for other normal computer applications. Consequently, ASIC Bitcoin mining systems can solve Bitcoin blocks much quicker and use less less electricity or power than older bitcoin mining hardware like CPUs, GPUs or FPGAs.

As Bitcoin mining increases in popularity and the Bitcoin price rises so does the value of ASIC Bitcoin mining hardware. As more Bitcoin mining hardware is deployed to secure the Bitcoin network the Bitcoin difficulty rises. This makes it impossible to profitably compete without a Bitcoin ASIC system. Furthermore, Bitcoin ASIC technology keeps getting faster, more efficient and more productive so it keeps pushing the limits of what makes the best Bitcoin mining hardware.

Some models of Bitcoin miners include Antminer S5, Antminer U3, ASICMiner BE Tube, ASICMiner BE Prisma, Avalon 2, Avalon 3, BTC Garden AM-V1 616 GH/s, VMC PLATINUM 6 MODULE, and USB miners.

AntMiner U2

BPMC Red Fury USB

GekkoScience

Best Bitcoin Cloud Mining Services

For those not interested in operating the actual hardware then they can purchase Bitcoin cloud mining contracts. Being listed in this section is NOT an endorsement of these services. There have been a tremendous amount of Bitcoin cloud mining scams.

Hashflare Review: Hashflare offers SHA-256 mining contracts and more profitable SHA-256 coins can be mined while automatic payouts are still in BTC. Customers must purchase at least 10 GH/s.

Genesis Mining Review: Genesis Mining is the largest Bitcoin and scrypt cloud mining provider. Genesis Mining offers three Bitcoin cloud mining plans that are reasonably priced. Zcash mining contracts are also available.

Hashing 24 Review: Hashing24 has been involved with Bitcoin mining since 2012. They have facilities in Iceland and Georgia. They use modern ASIC chips from BitFury deliver the maximum performance and efficiency possible.

Minex Review: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more.

Minergate Review: Offers both pool and merged mining and cloud mining services for Bitcoin.

Hashnest Review: Hashnest is operated by Bitmain, the producer of the Antminer line of Bitcoin miners. HashNest currently has over 600 Antminer S7s for rent. You can view the most up-to-date pricing and availability on Hashnest's website. At the time of writing one Antminer S7's hash rate can be rented for $1,200.

Bitcoin Cloud Mining Review: Currently all Bitcoin Cloud Mining contracts are sold out.

NiceHash Review: NiceHash is unique in that it uses an orderbook to match mining contract buyers and sellers. Check its website for up-to-date prices.

Eobot Review: Start cloud mining Bitcoin with as little as $10. Eobot claims customers can break even in 14 months.

MineOnCloud Review: MineOnCloud currently has about 35 TH/s of mining equipment for rent in the cloud. Some miners available for rent include AntMiner S4s and S5s.

Bitcoin Mining Hardware ASICs

Hobby Bitcoin mining can still be fun and even profitable if you have cheap electricity and get the best and most efficient Bitcoin mining hardware.

It’s important to remember that Bitcoin mining is competitive. It’s not ideal for the average person to mine since China’s cheap electricity has allowed it to dominate the mining market. If you want bitcoins then you are better off buying bitcoins.

Bitcoin Mining Hardware Comparison

What is an ASIC Bitcoin Miner?

Since it’s now impossible to profitably mine Bitcoin with your computer, you’ll need specialized hardware called ASICs.

Here’s what an ASIC miner looks like up close:

The Dragonmint 16T miner.

Originally, Bitcoin’s creator intended for Bitcoin to be mined on CPUs (your laptop or desktop computer). However, Bitcoin miners discovered they could get more hashing power from graphic cards. Graphic cards were then surpassed by ASICs (Application Specific Integrated Circuits).

Think of a Bitcoin ASIC as specialized Bitcoin mining computers, Bitcoin mining machines, or “bitcoin generators”. Nowadays all serious Bitcoin mining is performed on dedicated Bitcoin mining hardware ASICs, usually in thermally-regulated data-centers with access to low-cost electricity.

Don’t Get Confused

There is Bitcoin mining hardware, which mines bitcoins.

There are also Bitcoin hardware wallets like the Ledger Nano S, which secure bitcoins.

Check Profitability

You can use our calculator below to check the mining hardware above. Input your expected electricity price and the hash rate of the miner for an estimate.

Profitability Factors

The Bitcoin price and the total network hash rate are the two main factors that will affect your profitability.

Our calculator is more accurate than most others because ours assumes the 0.4527678% daily increase in network hash rate. This has been the average daily increase over the past 6 months.

Most other calculators do NOT include this metric which makes mining appear way more profitable than it actually is.

The Bitcoin Price

Bitcoin mining is a booming industry, but the Bitcoin price increasing can help make up some of these losses.

The Bitcoin price is increasing at an average of 0.3403% per day over the past year. Try messing with the calculator using different prices.

Know your Competition

It may seem easy to just spin up a miner.

But you NEED to take a look at just how serious mining is.

The video below offers an inside look at one of China’s largest mines.

How to Find the Best Bitcoin Miner

There are some important factors to look at when determining which Bitcoin mining ASIC to buy:

Hash rate – How many hashes per second can the Bitcoin miner make? More hashes cost more, which is why efficiency is crucial.

Efficiency – You’ll want to buy the most efficient bitcoin mining hardware possible. Right now, this is the Halong Mining Dragonmint T1. Since miners use a large amount of electricity, you want to buy one that converts the most amount of electricity into bitcoins.

Price – How much does the bitcoin miner cost? Cheap mining hardware will mine less bitcoins, which is why efficiency and electricity usage are important. The fastest and more efficient mining hardware is going to cost more.

Don’t try to buy a miner based on only price or only hash rate. The best ASIC miner is the most efficient bitcoin miner. Aim for value.

Bitcoin Miners for Sale on eBay or Amazon

If you’re a hobby miner who wants to buy a couple rigs for your house, eBay and Amazon both have some decent deals on mining hardware.

Used Bitcoin Mining Hardware for Sale

Both new and used bitcoin mining rigs and ASICs are available on eBay. One may want to buy used ASIC mining hardware on eBay because you can get better prices.

eBay’s customer protection ensures you’ll get a working product. Other bundled equipment may be included with your purchase depending on the seller.

We recommend purchasing the Dragonmint or the Antminer S9.

Just Want Bitcoins?

If you just want bitcoins, mining is NOT the best way to obtain coins.

Buying bitcoins is the EASIEST and FASTEST way to purchase bitcoins.

Get $10 worth of free bitcoins when you buy $100 or more at Coinbase.

Hardware Profitability

You can use a bitcoin mining profitability calculator to determine your estimated cost of return on your mining hardware.

Be sure to take electricity costs into account. Most mining hardware appears profitable until electricity costs are accounted for.

Most Efficient Bitcoin Miners

Good Bitcoin mining hardware needs to have a high hash rate. But, efficiency is just as important.

An efficient Bitcoin miner means that you pay less in electricity costs per hash.

To improve your efficiency, there are also companies that will let you order hardware to their warehouse and run the miners for you.

You could also cloud mine bitcoins. But both options are a lot less fun than running your hardware!

Bitcoin Mining Hardware Companies

Halong Mining – Halong Mining is the newest mining hardware company. They have the best miner available. Unfortunately, they already sold out of their first batch but a new batch should be available for sale soon.

Bitmain – Bitmain makes the Antminer line of Bitcoin miners. Bitmain is based in China and also operates a mining pool.

BitFury – BitFury is one of the largest producers of Bitcoin mining hardware and chips. Its hardware is not available for purchase.

Bitcoin Mining Equipment

In addition to a Bitcoin mining ASIC, you’ll need some other Bitcoin mining equipment:

Power Supply – Bitcoin rigs need special power supplies to funnel and use electricity efficiently.

Cooling Fans – Bitcoin hardware can easily overheat and stop working. Buy a sufficient amount of cooling fans to keep your hardware working.

Bitcoin Mining Without Hardware?

It’s still technically possible to mine bitcoins without dedicated mining hardware.

However, you’ll earn less than one penny per month. Mining bitcoins on your computer will do more damage to your computer and won’t earn a profit.

So, it’s not worth it unless you’re just interested to see how the mining process works. You’re best bet is to buy dedicated hardware like the Antminer S7 or Antminer S9.

USB Bitcoin Miners

Using a Bitcoin USB miner with your computer was once a profitable way to mine bitcoins. Today, however, USB miners don’t generate enough hashing power to mine profitably. If you just want to get a Bitcoin miner USB to learn, eBay is a good place to buy a cheap Bitcoin miner.

Halong Mining

The world of crypto was in disbelief when Halong Mining, a new ASIC startup, announced their brand new Dragonmint T16. Halong claimed it to be the most powerful – and efficient – Bitcoin mining ASIC on the market. If they delivered on their promise, Bitmain’s reign as king of ASIC developers would come to an abrupt end.

Unsurprisingly, many prominent members of the Bitcoin community were in disbelief, as cryptocurrency in general has been plagued by fake startups and ICO scams.

In an effort to build trust with their potential buyers, Halong Mining released videos of their ASICs running as advertised. Moreover, they claimed that $30 million dollars was invested in research, development, and prototypes.

Their first batch of Dragonmint T16’s was set for shipment in March of 2018. As the deadline crept up, the world patiently waited for the much anticipated release.

If Halong Mining really did produce the most efficient SHA-256 miner to date, the startup would prove their skeptics wrong and dethrone Bitmain, a company only concerned with their monopoly on the market.

After prominent members of the Bitcoin community doubted Halong’s legitimacy, including Cøbra, the company proved them wrong. Miners shipped as described, and Halong delivered – quite literally – on their promises.

Slush, the creator of Slush Mining Pool and the TREZOR hardware wallet, claimed on Twitter the miners are legitimate. Halong Mining has earned their keep, finally viewed as a reputable company after months of speculation and debate.

Over 100 individuals took part in the development of the chip, including BtcDrak, one of the leading pseudonymous Bitcoin core developers. According to Bitcoin Magazine, BtcDrak remarked:

The project is motivated by, and driven to help facilitate greater decentralisation in Bitcoin mining at all levels, and make SHA-256 great again.

Dragonmint T16 vs. Antminer S9

The Dragonmint T16 was Halong Mining’s first ASIC to hit the market. Boasting 16 TH/s, it is the most powerful ASIC miner. Additionally, the T16 is remarkably power efficient, consuming a mere 0.075J/GH. Moreover, the Dragonmint T16 utilizes ASICBOOST, an exploit of Bitcoin’s algorithm which improves efficiency by 20%.

Compared to Bitmain’s Antminer S9, which consumes 0.098J/GH, the Dragonmint T16 is not only more powerful, but more efficient as well. The difference in power consumption seems small. However, when mining on a large scale, every bit of saved electricity counts.

What do you get when you combine power and efficiency? An incredibly profitable ASIC! The T16 is 30% more efficient than its competition.

Note that is appears profitable even with high electricity costs ($0.12 per KW/h). With $0.03 / KW/h it’s even more profitable:

The T16’s new DM8575 chip design is largely responsible for the ASIC’s notable improvements over Bitmain’s S9.

Although the Antminer S9 still yields a decent mining profit, it is no match for Halong Mining’s newest chip, the Dragonmint T16. Hashrate and power consumption are the primary factors in mining profitability, next to electricity cost – Halong Mining’s Dragonmint T16 is clearly superior to Bitmain’s best ASIC miner.

ASICs’ Impact on Cryptocurrency

Bitcoin is based on blockchain technology, a decentralized platform which takes power away from a central authority and gives it to the average person. Sensitive information is stored on the blockchain rather than large data centers, and is cryptographically secured. A vast amount of people, known as miners, all work together to validate the network, instead of just one person or government.

In the beginning, CPUs were used to solve cryptographic hash functions, until miners discovered that GPUs were far better equipped for mining. As block difficulty increased, miners turned primarily to GPUs.

Eventually, technology was developed solely for mining, known as ASICs, or Application Specific Integrated Circuits. Their hashrates are significantly higher than anything GPUs are capable of.

With stellar performance comes a high price tag – the best ASIC chips will run you a few thousand dollars each. Upon creation, Bitcoin blocks were confirmed by the average person using their desktop – once ASICs hit the market, things changed.

ASICs rendered GPUs useless. ASIC developers, including Bitmain, granted early access to large mining cartels rather than the average person. Nowadays, a large majority of Bitcoin mining takes place in China where electricity is cheap.

Thousands of ASICs all mine simultaneously in a mining farm (large warehouse). Evidently, most people can’t afford just one or two of ASICs, not to mention thousands of them.

When ASICs hit the market, the blockchain’s validation process became more centralized than decentralized, as the majority of validation is done by a single mining company, rather than being spread out amongst many miners. Unfortunately, Bitcoin is no longer as decentralized as it was once intended to be.

Download Bitcoin Core

Latest version: 0.16.0

Or choose your operating system

Check your bandwidth and space

Bitcoin Core initial synchronization will take time and download a lot of data. You should make sure that you have enough bandwidth and storage for the full block chain size (over 145GB). If you have a good Internet connection, you can help strengthen the network by keeping your PC running with Bitcoin Core and port 8333 open. Read the full node guide for details.

Bitcoin Core is a community-driven free software project, released under the MIT license.

What is Bitcoin?

Bitcoin is a virtual medium of exchange for transnational payment transactions, which is being generated and jointly administered by all the partaking clients of the decentralised Bitcoin network and has already been brought to life in the year 2009. Thereby, it is the first and most widely spread, publicly traded, digital currency. Like other cryptocurrencies too, Bitcoins are being created through the use of cryptographic mathematical equations that are resolved by computers under high computational cost. A double SHA256 hash function is used for Bitcoin. The difficulty level of the calculation can be adjusted and regulated by the entire Bitcoin network at all times.

Upon finding a valid solution of the mathematical problem, a so-called block is being produced, which is then going to be proven and verified under relatively minor computational effort by the entirety of the Bitcoin network. A specific amount of Bitcoins is allocated to each block found and subsequently conceded to the discoverer(s) of the respective block. Prospectively until the year 2017, this amounts to exactly 25 Bitcoins per block. All the blocks, along with each transaction conducted therewith, are recorded inside a synchronised data base (the block chain) stored on every client.

An advantage of cryptographic currencies in general is, that the production of the currency - in this case coming in the shape of Bitcoins - cannot be hastened or impaired and, due to the resulting institutional independence, it consequently cannot be abused or manipulated by (central) banks, companies, national governments or other organisations and individuals. For more information on Bitcoin, we recommend the following Wiki: https://en.bitcoin.it/wiki/Introduction

How do I get Bitcoins? Exchange and Mining.

Bitcoins can either be exchanged directly for other currencies, by taking an exchange rate into account, or generated through so-called mining, by employing computational power of a computer. A plethora of internet marketplaces (Bitcoin Exchanges) qualifies for exchanging the currency in addition to an ever increasing number of existing Bitcoin ATMs.

For a start, common computer processors (CPUs) basically have the ability to dig up new Bitcoins, yet these can only calculate few (kilo-)hashes per second and are therefore ill-suited for mining in relation to the electricity consumed and time spent during the process. With regard to efficiency, they are being outclassed considerably by graphics processors (GPUs), whereby current graphics chips of AMD’s Radeon series in particular have proven themselves to be exceedingly powerful. Nevertheless, those are again outperformed by ASICs, specifically developed for that purpose and accordingly expensive, which currently show the highest efficiency at Bitcoin mining.

Since the likelihood of single-handedly finding a valid block is relatively small (Solo Mining), cryptocurrencies are usually mined in groups (Pool Mining), whereby all the participants of such a group eventually share the reward for discovered blocks adequate to the processing power procured.

Wallet and Transactions - Using the virtual purse.

In order to be able to receive, send and store Bitcoins, as a first step, it is necessary to open up a virtual account within the Bitcoin network by means of sundry software applications, to which a public key (equivalent to a bank account number) is allocated subsequently. In addition, any number of private keys (cryptographic character strings) can be created by the user. The latter are especially worthy of protection, since single transfers of specific amounts of Bitcoin can be signed and thus carried out with them.

The whole collection of private keys is being saved and stored inside of a so-called wallet (digital purse) in form of a data file. These private keys can theoretically also be transported on storage media like USB sticks or, for instance, also be distributed as QR codes or printed out as character strings on a sheet of paper. In order to make a payment, the sender needs to know the public key of the receiver. The ensuing signing procedure of individual transactions utilising a private key can be validated by the entire Bitcoin network at all times, which impedes any misuse of the account and secures the power of control over one’s own wallet.

How do I use my Bitcoin to pay at Caseking.de?

During the accustomed checkout process, you can simply select Bitcoin as the desired payment method. Upon confirming your order by pressing the “Buy Now” button, you will be forwarded directly to the payment service provider BitPay. Using the latest exchange rates, BitPay is then going to convert the purchase amount from Euro to Bitcoin. Afterwards, you will have 15 minutes to complete the payment. To accomplish that, it may be necessary to manually add the accruing Bitcoin transaction fee to the purchase amount, depending on the Bitcoin client (wallet software) that is being used! You can either scan the depicted QR code or transfer the total amount of Bitcoins indicated to the wallet address shown. You may need to hit the refresh icon in order to see that your payment has been completed.

Following the completion of your payment, the Bitcoin peer-to-peer network is going to validate the transaction. For this, six confirmations are required before your order can be picked and readied for dispatch. As a consequence, it cannot be ruled out, that the dispatch of your order may get delayed by not more than one day. This process usually takes less than five minutes, however, should your payment not reach full confirmation within the time frame of an hour, the transaction is considered to have failed and your order is going to get cancelled.

Hint: Any underpayment (check Bitcoin fee section!) will prevent us from accepting your order. Should such a situation occur anyhow, BitPay will inform you about the failed transaction in an automatic e-mail and return any amounts already paid, when necessary. Afterwards, the ordering process can be repeated. A more flexible procedure is currently not yet possible due to technical reasons. Overpayments can be refunded easily through BitPay and do not affect the acceptance of your order.

Are there any fees for payments via Bitcoin?

Yes, there are two distinct kinds of additional fees:

A) Caseking itself is charging a fee of 2 Euros per payment via Bitcoin, which will be added automatically to the payment amount.

B) The Bitcoin peer-to-peer network, that is being used to carry out the transactions, in general also demands a small fee for conducting transactions, on which Caseking has no influence whatsoever. The usual transaction fee amounts to 0,0005 BTC and is to be paid by the sender of the payment during the transaction process.

Attention! It may be necessary to manually add the accruing transaction fee to the purchase amount, depending on the Bitcoin client (wallet software) that is being used, otherwise the resulting underpayment will prevent us from accepting the order. Should such a situation occur anyhow, BitPay will inform you about the failed transaction in an automatic e-mail and return any amounts already paid. Afterwards, the ordering process can be repeated. A more flexible procedure is currently not yet possible due to technical reasons. Overpayments can be refunded easily through BitPay and do not affect the acceptance of your order.

Cancellation and Refunding

For cancellations, you can get in touch with our customer service at all times. If possible, refunds for returned or cancelled orders will be directly handled through BitPay and reimbursed in Bitcoin, by taking into account the respective exchange rate to Euro, valid at the moment of the refund. For technical reasons however, this is not possible at all times and therefore we reserve the option to refund the paid sum via bank transfer. Furthermore, Caseking is not accountable for any fluctuations of the Bitcoin exchange rate and therefore cannot assume liability for resulting losses or gains. A refunding of Bitcoins using the original exchange rate to Euro is not possible.

Купить биткоины

Подарочные карты

Желаете быстро купить биткойны на $20? Принимаются подарочные карты. Купите карту за наличные в местном магазине (обязательно сохраните квитанцию) и обменяйте ее здесь на биткоин мгновенно.

Депозит наличных

Документ или банковский счет не требуется, просто приходите в ближайшее представительство и внесите деньги кассиру. Загрузите квитанцию и получите биткойн менее чем за час. Отличная цена!

Онлайн переводы

Не хотите покидать дом? Если у вас есть онлайн кошелек и вы не против загрузить изображение вашего документа - вы можете получить биткойн мгновенно.

Дебет/кредит

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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.

You are now required to sign-in using your Yahoo email account in order to provide us with feedback and to submit votes and comments to existing ideas. If you do not have a Yahoo ID or the password to your Yahoo ID, please sign-up for a new account.

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

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!

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… more

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.

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… more

Multibit is No Longer Supported

Dear Bitcoin Community,

It is time for us to let Multibit go.

KeepKey acquired Multibit a little over 1 year ago. At the time, the engineers who originally built and supported Multibit had announced that they would no longer be working on it or providing support. Multibit played an important role in the Bitcoin infrastructure. We felt that it was important for Multibit to continue and hoped that with our existing support and development teams, we would be able to keep Multibit alive.

The reality is that Multibit is in need of a lot of work. It has stubborn bugs that have caused us and Multibit users much grief. Additionally, Bitcoin has gone through a fundamental change in regards to the way fees work. The addition of SegWit in the coming weeks will mean the Multibit software has fallen still further behind.

Unfortunately, KeepKey simply does not have the resources to support the current issues, nor to rebuild Multibit to ensure ideal user experience. By focusing our attention on the KeepKey device, we will continue building and improving the best hardware wallet available.

Thus, KeepKey will discontinue support and maintenance of Multibit, effective immediately.

We recommend that all Multibit users discontinue using it and you move your keys to other wallet software of your choosing. We wrote a blog post describes some options of your options in more detail.

Multibit was a fantastic piece of software in its time, and we want to thank the Multibit developers for such an important contribution to Bitcoin's history.

Download Bitcoin Core

Latest version: 0.16.0

Or choose your operating system

Check your bandwidth and space

Bitcoin Core initial synchronization will take time and download a lot of data. You should make sure that you have enough bandwidth and storage for the full block chain size (over 145GB). If you have a good Internet connection, you can help strengthen the network by keeping your PC running with Bitcoin Core and port 8333 open. Read the full node guide for details.

Bitcoin Core is a community-driven free software project, released under the MIT license.

Where and How to Buy Bitcoins

Best Ways to Buy

This guide will teach you how to buy bitcoins.

It's easy to find where to buy bitcoins online because there are so many options.

If you want to learn the best way to buy bitcoins, keep reading!

Welcome to Buy Bitcoin Worldwide! I'm Jordan Tuwiner, the founder of this site.

We understand that buying bitcoins can be extremely confusing and frustrating. Luckily for you, this site has ample information to help make buying bitcoins easier for you.

Introduction to Buying

Want to learn how to purchase bitcoin or get bitcoins?

You’re in the right place!

The short answer is:

Find a Bitcoin exchange

Trade your local currency, like U.S. dollar or Euro, for bitcoins

For the long answer, read this Bitcoin buying guide and by the end you’ll understand these key points:

How and where to buy bitcoin

How to choose the right exchange

How to secure your coins after you buy

How to avoid scams

Below, we listed exchanges you can use to purchase BTC. We suggest our listed exchanges and doing your own research before making your final decision.

Certain exchanges are simply there to steal your personal information or rob you of your bitcoins.

We conduct intensive research on every exchange we list to filter out any and all dishonest exchanges.

Choosing an Exchange: Which is the Best Bitcoin Exchange?

To select the perfect exchange for your needs, consider these 7 factors.

1. Privacy: Keep Your Information Safe!

Want to buy BTC privately?

You can already cross off a number of payment methods:

• Bank transfer
• Credit card
• Debit card
• PayPal
• Any other method that requires personally or identifying information

Buying bitcoins with cash or cash deposit is the most private way to purchase bitcoins.

We also have a detailed guide which reveals your options for buying without verification or ID.

2. Limits: Are You Buying a Lot of Coins?

If you need to buy a large amount of bitcoins--say 25 or more--then big brokers or major exchanges are the way to go.

Coinbase has high limits for buying with a bank account.

CoinMama has the highest limits for buying with a credit card.

Most cash exchanges have no buying limits. Limits, however, will vary between individual sellers and are usually lower than online exchanges.

3. Speed: When Do You Need Access to your Bitcoins?

How quickly do you need to convert regular money into bitcoins? Different payment methods deliver your coins at different speeds.

Your first Bitcoin purchase may be time consuming. Once you get everything setup all subsequent purchases will be much faster!

Bitcoin ATMs can be the fastest way to purchase bitcoin if you’re lucky enough to have one in your area. Here's a map to help you out.

Some brokers offer instant buys with bank transfer, credit card, or debit card.

4. Exchange Rate

There is no official Bitcoin price. Use BitcoinAverage or CoinDesk to see the average price of Bitcoin across all major international Bitcoin exchanges and compare that to the price on your chosen exchange.

5. Reputation: Don't Get Scammed!

How long has the exchange been in service? Is the exchange trustworthy? Our Bitcoin exchange reviews can help you to find a trusted exchange.

6. Fees: Are You Getting a Good Deal?

How much does the exchange charge for its services? The fee will vary greatly based on the payment method you choose to use.

Remember to include deposit and withdrawal fees as well as trading fees. Some exchanges will lower their fees if you trade a lot of bitcoins.

7. Payment Method

How can you pay for the bitcoins? Payment method may be the most important factor.

We're sure you already have a payment method in mind that you'd prefer to use. More on that below.

Get a Wallet!

Some exchanges require a Bitcoin wallet before you can buy.

If you don't have a wallet yet, learn how to get a Bitcoin wallet and then come back.

We'll wait for you here ;)

Know your Payment Method?

Payment Methods

We can both agree that this Bitcoin stuff is confusing. Stick with us!

We're about to have you on your way to choosing a payment method and buying bitcoins.

Where to Buy Bitcoin?

• Purchase bitcoins online with a credit card, debit card, or bank transfer.
• Acquire bitcoins from a Bitcoin ATM near you.
• Buy bitcoins with cash locally or via cash deposit.
• Convert PayPal to Bitcoin online.

The above was just a brief overview of where you can buy bitcoin. Now, let's get into the details.

In order to buy bitcoins, you’ll need to exchange your local currency, like Dollars or Euros, for bitcoin. Here’s an overview of the 4 most common payment methods:

1. Credit or Debit Card

Credit/debit cards are the most common way to pay online. So, it's really no surprise that many people want to buy bitcoins this way.

Why buy bitcoin with a credit/debit card?

• Credit cards are a payment method most people are familiar with; probably the easiest way to buy bitcoins online
• Delivery of bitcoins is instant once initial verification is complete

Why NOT buy bitcoin with a credit/debit card?

• High fees; if you're patient and not in a rush to buy then use a bank transfer for lower fees
• Not a private way to buy; your ID will be required to buy with a credit card

A few places to buy bitcoins online with a credit card are:

Bank Account or Bank Transfer

Bank transfer is one of best ways to buy bitcoins in most countries.

Why buy bitcoins with bank account/transfer?

• Good way to buy large amounts of bitcoins
• Using a bank transfer will usually result in the lowest fees, so you can get a great price on your purchase

Why not to buy bitcoins with bank account/transfer?

• Usually requires ID verification, so not a good choice for privacy
• Slow; in the USA, bank transfers can take up to 5 days to complete

Some of the best ways to buy bitcoins with your bank account:

Cash deposit is often the fastest and most private ways to buy bitcoin. You can usually receive your bitcoins within a couple hours.

What are cash exchanges good for?

• Can be more private since in some cases no personal information is required
• Can be nearly instant; no need to wait 5 days for a bank transfer to process

What are cash exchanges bad for?

• Privacy comes at a cost; cash exchanges often have price 5-15% above market rate
• Easier to get scammed or robbed; need to be on alert and follow the exchange's rules

Some of the best places to buy bitcoin instantly with cash:

Note: There is no easy way to buy bitcoin at Walmart. We get asked this A LOT!

There are Bitcoin ATMs all around the world that let you purchase bitcoin with cash.

You simply insert cash into the machine, and get bitcoins sent to your wallet.

Use Coin ATM Radar to find a Bitcoin ATM near you.

What are Bitcoin ATMs good for?

• Can be more private since in most cases no personal information is required
• If you have an ATM in your area it can be a convenient and fast way to buy coins

What are Bitcoin ATMs bad for?

• Privacy comes at a cost; Bitcoin ATMs often have a 5-15% premium above market rate

There is no way to directly buy bitcoins with PayPal. Under PayPal’s terms and conditions merchants are not allowed to sell bitcoins for PayPal.

I really recommend not buying bitcoins with PayPal. The fees are really high. Chances are that your PayPal is connected to your credit card or bank account, which can be used to buy at much lower fees.

However, there are a few hacks to get around this. You can buy other digital items with PayPal and sell those items for bitcoin. It's all explained in our guide on how to buy bitcoins with PayPal.

Why buy bitcoins with PayPal?

• If you already have a balance, it can be an easy and fast way to convert PayPal to bitcoins

Cons of buying bitcoins with PayPal

• Fees are over 12%; much better to just buy with a credit card or bank account

Frequently Asked Questions

If you're still a bit confused, that's okay. Buying bitcoins is hard, but that's why I built this site, to make it easier!

If you still need help, I hope this FAQ will help to answer any remaining questions.

When is the Right Time to Buy?

As with any market, nothing is for sure. Bitcoin is traded 24/7 and its price changes every second.

Use tools like Bitcoin Wisdom or Cryptowatch to analyze charts from other Bitcoin trading sites. These charts will help you understand Bitcoin’s price history across the many global Bitcoin exchanges.

Why Does Buying Bitcoin Take So Long?

Long wait times are usually a problem with existing payment systems, not with Bitcoin itself.

Bitcoin transactions only take about 10 minutes to confirm. Bank transfers in the U.S., for example, can take up to five days to complete.

Bitcoin transactions can be confirmed as quickly as 10 minutes; it’s rare to experience a delay longer than one hour.

This means that a merchant can’t release bitcoins to a customer until five days have passed unless they're willing to take on risk.

Can You Sell Bitcoins?

Yes, of course! Most exchanges that let you buy bitcoins also let you sell (for a fee of course).

Why Do I Need to Upload my ID for Some Exchanges?

This is due to Know Your Customer (KYC) laws which require exchanges to record the real world identity of their clients.

Can Anyone Buy Bitcoin?

Bitcoin requires no permission to use or buy.

You will have to check the legality of Bitcoin in your country. In most countries Bitcoin is legal!

Should I Buy Physical Bitcoins?

Physical bitcoins are physical, metal coins with a Bitcoin private key embedded inside.

We recommend that you stay away from physical bitcoins unless you’re a numismatist.

While physical coins sound like a good idea, they force you to trust the honesty of the creator of the coin. The creator could create two copies of the private key.

Unless you immediately open and withdraw the digital bitcoins from your physical bitcoin, the creator could at any time steal the funds it contains.

Can I Buy Partial Bitcoins?

Each bitcoin is divisible to the 8th decimal place, meaning each bitcoin can be split into 100,000,000 pieces. Each unit of bitcoin, or 0.00000001 bitcoin, is called a satoshi.

Most exchanges let you buy as little as $5 worth of bitcoins at a time.

Why Should I Buy Bitcoin Instead of Mining?

A long time ago anyone could mine bitcoins on their computer at home. Today, only specialized computer hardware is powerful enough to do this.

Think about it like this:

Should you buy gold or mine gold? Well, to mine gold you need big powerful machines, a lot of time, and money to buy the machinery. This is why most people just purchase gold online or from a broker.

So Bitcoin is no different.

You should just buy some if you want coins without trying to mine.

Do I need a Bitcoin Account Before Buying?

With Bitcoin, there are not really accounts.

Instead, you should have a Bitcoin wallet. If you want to store bitcoins, then a wallet is where you keep them.

In Bitcoin these wallets are not called an account but a wallet functions almost the same way. The only difference is you are responsible for the security if your wallet rather than placing the security in the hands of a bank or trust.

How do I check if I received a Bitcoin payment?

Why Would Someone Even Want to Buy Bitcoins?

There are many reasons people want to own bitcoins.

Many people like to purchase some and put them to the side in the hopes that they will be worth more in the future.

Many people are using bitcoins to remit money to their families from out of the country. Right now, Bitcoin is one of the cheapest ways to do this.

People also use Bitcoin to buy stuff online. Big companies like Microsoft, Dell, Newegg and Overstock all accept bitcoins.

Bitcoin is also very unique compared to other markets in that it trades 24 hours a day and never stops. Most stock markets only open on weekdays from 9 AM to 5 PM. So many traders buy and sell bitcoins because it is a fun and fast market to trade.

Can I Buy Bitcoin Stock?

Bitcoin itself is not a stock despite it functioning somewhat like one. You can’t buy bitcoins through a traditional stock fund and instead have to buy bitcoins yourself. This may change in the future if a Bitcoin ETF ever gets approved.

What Happens When you Purchase Bitcoins?

Bitcoins are actually just secret digital codes. When you buy bitcoins, the seller is using a wallet to transfer the ownership of the coins to you. Once your purchase is complete, the codes are now owned by you and not the seller.

Why Are the Chinese Buying So Much BTC?

It seems the Chinese really like Bitcoin’s properties such as its sound monetary policy and that it can be used anywhere in the world. Bitcoin's volatility also makes it interesting for speculative traders.

Is Bitcoin Legal?

Bitcoin is legal in nearly every country. Only a few countries have actually banned the use of bitcoins. Before you buy, make sure you double-check the legal status of Bitcoin in your country.

Why do I need to buy bitcoins before buying most altcoins?

Bitcoin functions as the "reserve" currency of cryptocurrency. So it is very hard to buy other coins without first buying bitcoins. Once you purchase the bitcoins you can convert the bitcoins into other cryptocoins. This is mostly because Bitcoin has very good liquidity and is traded on every cryptocurrency exchange. So most coins are traded against Bitcoin rather than the US dollar or other fiat currencies.

Am I Anonymous when I Buy?

Bitcoin is not anonymous but rather pseudonymous. All Bitcoin transactions are public but it is not always known the real identity behind any give Bitcoin address.

Can I use Multiple Exchanges?

If the limits on one exchange are to low you can simply open an account with another exchange to give yourself the ability to buy more.

You can signup, join, and use as many Bitcoin exchanges as you want that are available in your country.

Do I need to Pay Taxes on Bitcoin?

In most countries you will need to pay some kind of tax if you buy bitcoins, sell them, and make a gain. In the US you must do this on every transaction.

Be sure to check with your country’s tax authorities to make sure you are paying all the required taxes on your bitcoin use.

What Other Ways can I Get Bitcoins Besides Buying?

Just like any other form of money, you can get bitcoins by requesting from your employer to be paid in bitcoins.

Avoiding Bitcoin Scams: Don't Lose Money!

I've been using Bitcoin for 3+ years. I've never fallen victim to a single scam. Follow the tips explained here and you'll greatly reduce your chances of losing money.

There are many scams related to Bitcoin. Scammers target new Bitcoiners and less tech-savvy users. Follow these basic rules in order to avoid Bitcoin scams:

Study your intended exchange and make sure it’s trustworthy. Search forums like Reddit for the experiences of other users.

You can also use our Bitcoin exchange reviews to get in depth information about certain exchanges. If you don’t find your intended exchange listed on this site, extra caution and research is advised as it may be a scam!

Check Ratings

If you’re using a peer-to-peer exchange like LocalBitcoins or Wall of Coins, check the seller’s feedback. If most of their feedback is positive, your trade is more likely to go through without issues. If a seller has lots of negative feedback, it’s best to simply stay away and find a more reliable seller.

Use Escrow

Many scammers will try an approach like this:

“Send me bitcoins, and once I get the bitcoins I’ll pay you on PayPal!”

Don’t ever agree to a trade like this. Bitcoin payments are irreversible, so if you send first the scammer can simply not pay you and keep their bitcoins.

PayPal can't force the scammer to pay either, due to the pseudonymous nature of Bitcoin which doesn’t record the identity of a payment’s sender or recipient. This would leave you with no way to get your bitcoins back.

Stay Away from Bitcoin investments

Any service that claims to pay interest on bitcoins or increase your bitcoins is likely extremely risky or an outright scam. If it sounds too good to be true, stay away.

Be Careful with Altcoins

What are altcoins? Altcoins are cryptocurrencies other than Bitcoin.

Altcoins are traded globally on hundreds of exchanges. Avoid throwing money into coins which are experiencing a sudden and dramatic spike in price and volume. Such moves, especially in insignificant coins with otherwise thin volume and flat price action, are likely to crash fast.

Secure your Coins

Don't store coins on Bitcoin exchanges! Bitcoin users have lost over $1 billion worth of bitcoins in exchange hacks and scams.

Here are two examples where users got screwed by leaving bitcoins with a third party:

So, do yourself a favor:

Get yourself a Bitcoin wallet and control your own coins. For large amounts of bitcoins, we recommend cryptocurrency hardware wallets. Hardware wallets are small, offline devices that store your bitcoins offline and out of reach from hackers and malware.

Why? It's pretty simple:

• Hardware wallets are the easiest way to securely store bitcoins and easy to backup
• Less margin for error; setup is easy even for less technical users

Check out the Bitcoin hardware wallet comparison chart below: