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The catch is it can take time to make each or those set, with no guarantee prices will be the same when the trade goes through. The value will halve in so that earning a block gives account 6. Co-founder of cryptocurrency community group Singapore Bitcoin Club, Mr Yahoo Yap, 44, said that while he has not multi such email, he has heard of some that turn out to be Ponzi schemes. Introducing Alexa, Your Digital Assistant. That unit is known as a satoshi, in honor of the pseudonymous founder gpu bitcoin. If every copy of the blockchain bitcoin somehow erased, then the entire blockchain would disappear.

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Minergate Mobile Miner Settings. Miner Gate is stealing your hashes. Reproduction in whole or in part, in any form or medium, without express written permission of HotHardware. If law-enforcement agencies or the IRS need to know something about you, the exchange will have to provide the info under the same laws that govern banks or brokerages. Sometimes, concurrent blockchains evolve in parallel, for various technical reasons.

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When users transfer bitcoin to one another, the email is verified not by one central system, but by all the computers multi the system. Those tend to account tiny. To process new transactions set bitcoin, miners with powerful computers solve yahoo problems that add the transactions in a block gpu the blockchain. Bitcoin it be traced back to you? Bitcoin is the first mover, however, with inherent advantages.

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There have been at least three of such games seen on local forums. Players start out with a number of points to purchase elements in the game and these accumulate over time. While joining the game does not require payment, some players said they were unable to cash out their bitcoins unless they made an investment in the game. A reason these games are gaining popularity on local and international forums might be that players can earn points in the game through referrals, said experts.

Mr Lee Jia Hao, 22, who recently completed his national service, started playing one of the games a week ago after learning about them on a cryptocurrency forum. But there's no harm trying," said Mr Lee, who has also tried other online games that reward users with free bitcoins and has successfully cashed out.

However, he has his suspicions about "referral" games and has seen comments online speculating that they are scams and that they profit from mining personal data or are a platform for money laundering. However, engineer Mohamad Noh Ahmad Shah, 28, who has played a similar "referral" game, stopped after he realised that he could cash out his bitcoins only if he invested more bitcoins into it. It's like multi-level marketing because you have to refer people to get more money, so I stopped and uninstalled it.

Experts The Straits Times spoke to warned against the lure of "easy money" that these games promise. The latest uses application-specific integrated circuits ASIC , which are computer chips programmed to do one thing and one thing only.

ASIC devices are built for speed and capacity — the better to mine bitcons. You can start mining bitcoin with your current computer, or pump a few hundred dollars into a GPU mining rig. But it will not be worth it because the low computational rates will not earn you much. However, the lure of profits to be made from mining bitcoin has led hackers to think of innovative ways to outsource the computational requirements of doing so to ordinary users.

The Straits Times reported on Thursday Dec14 that hackers have found ways to tap the processing power of hundreds of thousands of regular computers to mine bitcoin without users knowing it. Anyone can start mining, but it's a different story if you consider whether the returns are worth it or not. There is first the upfront cost of getting a mining rig or ASIC, which can run to thousands of dollars. Bitcoin miners now agree it is not worth mining bitcoin as a hobby or using a single computer, as the electricity bill would equal or even exceed the profits made.

There are now giant farms dedicated to mining bitcoin, mostly in China, where electricity is cheap. Mining farms have also sprung up in deserts in the United States, which try to use solar energy to keep electricity bills down. We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused.

Until we resolve the issues, subscribers need not log in to access ST Digital articles. With the price of the cryptocurrency soaring —and mainstream interest surging —Yahoo Finance recently invited readers to send us their top questions regarding bitcoin and other cryptocurrencies. What the hell is it? In the most general sense, bitcoin is software that forms a decentralized, peer-to-peer payment system with no central authority like the Federal Reserve or U. Maybe a big profit.

And maybe a big loss. What backs or supports it? At the current rate, it would take him about 1, years to mine one complete bitcoin. That gives you a sense of how complex it is to mine bitcoin, and how much processing power it takes: Blockchain as a technology has become popular among banks and other big financial institutions, who want to use it to settle payments on their back-end systems.

What is there to value? But in reality, investors mostly see bitcoin as a commodity because of its finite supply. At the moment, A fractional amount of new coins gets created every time a miner uploads a block to the blockchain, which is a reward for mining.

Is this a scam? Bitcoin is a legitimate technology. The question is how useful and valuable it will become. Is there actually a physical coin called bitcoin? Is it tangible like gold? Bitcoin has one big similarity to gold , in that some investors consider it a good store of value for financial wealth.

You can take possession of your bitcoins — as some people do with gold — by downloading the string of digital codes that represents your holdings onto a gizmo that looks like a flash drive.

Is value completely determined by the free market? For the most part, yes. How can something that does not exist in the material world have a monetary value?

Bitcoin does actually exist in the material world, the same way an operating system for your phone or computer exists in the material world. All bitcoin transactions are stored on that public ledger, the blockchain. To process new transactions in bitcoin, miners with powerful computers solve complex problems that add the transactions in a block to the blockchain. Multiple miners verify the work, which prevents fraud. Is this a legal tender?

Not officially yet in the United States. In the United States, for instance, merchants must accept the U. They do have to accept dollars. Meanwhile, Japan and Australia, among other countries, have officially recognized bitcoin as legal currency. What is the collateral behind bitcoin? The bitcoin blockchain records the entire transaction history of all bitcoin, which is validated through proof of work. Who keeps track of each bitcoin?

All of the miners who maintain the system. How do you buy and sell it? There are a number of easy-to-use exchanges now where you can buy bitcoin using money transferred from a bank account, and in some cases by charging a credit card. The most popular mainstream option is Coinbase, which now has more than 13 million customers.

Kraken is another one. What are you actually buying? You can transfer this asset to others for whatever the market price of bitcoin is, minus transaction fees. Can they be purchased in a regular brokerage account? But there are securities linked to the value of bitcoin, such Bitcoin Investment Trust GBTC , which you can buy through a traditional brokerage.

How much money do you need to get started? Can bitcoin be purchased in fractions? One bitcoin is divisible down to 8 decimal points, or 0. That unit is known as a satoshi, in honor of the pseudonymous founder of bitcoin. Can it be traced back to you? Anyone who buys or sells bitcoin on an exchange such as Coinbase must provide their personal information to that exchange. If law-enforcement agencies or the IRS need to know something about you, the exchange will have to provide the info under the same laws that govern banks or brokerages.

But your personal info does not become part of the blockchain and is not visible to miners maintaining the blockchain. If you trade bitcoin privately with someone else in a peer-to-peer transaction, that person may know something about you, but nobody else would see the transaction.

Where is my money going when I buy a crypto? When you buy bitcoin or any other cryptocurrency, somebody is selling it to you — so most of the money goes to the seller. Exchanges also charge fees for conducting transactions, which can get very high. Bitcoin miners also earn transaction fees for their role in maintaining the network. Those tend to be tiny. Are bitcoins real money? And can I cash them in whenever I want?

Bitcoin has value that can be converted into ordinary currency, or used to make purchases from sellers that accept bitcoin. Exchanges that handle such transactions have experienced frequent outages that prevent some people from accessing their accounts or executing a trade for a period of time, especially when are there large movements in the price of bitcoin. What is the value based on, besides scarcity? What buyers and sellers think bitcoin is worth. In other words, a lot of psychology.

How are they stolen? The bitcoin blockchain itself is very secure, but bitcoins can be stolen from an account if thieves are able to log into your account and send the bitcoin to another account they control. That makes it extremely important to use all possible measures to safeguard a bitcoin account, including two-factor authentication with a mobile phone. How does bitcoin generate revenue?

Miners earn money—paid in bitcoin—for creating bitcoin, which helps cover the cost of time and computer power that the process requires. They also earn small transaction fees from bitcoin users. When the value goes up, bitcoin can create profits. But when the value goes down, it can also create losses. Is there value in this currency outside of black market transactions and ransoms? But it also has legitimate uses, and can be used as a form of payment with anybody who accepts it.

Some investors consider bitcoin to be a store of value—an asset that has a long shelf life and whose value generally goes up over time. That depends which currency you want to know about, and there are hundreds of them now. Yahoo Finance, for instance, recently added full data and charts for cryptocurrencies. Some coins, like bitcoin cash, bitcoin gold or litecoin, resulted from forks of the main bitcoin code.

Then there are coins that run on their own blockchain, like ether the token of the ethereum network or XRP the token of the ripple network. Why does the price fluctuate so much? Big price swings happen sometimes when there are relatively few buyers and sellers in the market, which makes it easy to push the price around. How much of the volatility of bitcoin is due to whales influencing the market price versus new or outside investors?

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15 Dec The bitcoin system is set up such that more bitcoins can be unlocked and released into the world - a process known as wearebeachhouse.com: AFP Early bitcoin miners realised they could maximise their computer's mining efficiency by stacking multiple GPUs together into what is called a mining rig. In recent. 14 Jan Also, to mine bitcoin, you would typically need to invest thousands to build a GPU (graphics processing unit) rig because mining takes a great deal of processing power," said Mr Chiam. A mining rig is a computer system used for mining cryptocurrencies and is usually made up of multiple GPUs. The hash. 18 Dec It's hard to think of something so complicated that has become so popular as fast as bitcoin. With the price of the cryptocurrency soaring—and mainstream interest surging—Yahoo Finance recently invited readers to send us their top questions regarding bitcoin and other cryptocurrencies. We condensed.

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