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However, just how can you create a system Which Has a decentralized ledger How can you give someone the ability to upgrade the ledger without giving them a lot of powerin case they become corrupt or negligent in their job
Well, Bitcoins rulesalso known as the Bitcoin protocolsolves that in a very creative way I love to call Who Wants to Be a Banker
In short, anyone who wants to participate in updating the ledger of all Bitcoin transactions, known as the blockchain, can do this. Whatever you need is to suppose a random number that solves an equation generated by the computer system. Sounds simple, right
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Obviously, this guessing is all done by your PC. The more powerful your computer is, the further guesses you can create in one second, increasing your chances of winning this match. If you manage to figure correctly, you earn bitcoins and have to write the next page of Bitcoin transactions on the blockchain. .
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1. Once your mining pc comes up with the right suspect, your mining program determines which of these current pending transactions will be grouped together into the next block of transactions. Compiling this block represents the moment of glory, as youve now develop into a temporary banker of Bitcoin who has to upgrade the Bitcoin transaction ledger known as the blockchain. .
2. The block youve created, along with the solution, is sent to the entire network so other computers can validate it. Its somewhat similar to some Rubiks cube: The solution is quite hard to achieve but very easy to validate.
3. Every computer that validates your solution upgrades its copy of the Bitcoin transaction ledger together with the transactions that you opted to include in the cube.
4. The machine generates a fixed amount of bitcoins (currently 12.5) and benefits them to you as compensation for the time and energy you spent solving the math issue.
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5. Additionally, you get paid any transaction fees which were attached to the transactions you inserted into the next block.
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6. Each of the transactions in the cube youve only entered are now confirmed from the Bitcoin network and are virtually irreversible.
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Therefore thats Bitcoin mining in a nutshell. Its called mining because of the simple fact that this process helps mine new Bitcoins from the computer system. But if you think about it, the mining component is merely a by-product of this transaction confirmation procedure. So that the name is somewhat misleading, since the main objective of mining would be to maintain the ledger in a decentralized manner. .
As you can imagine, since mining is based on a form of guessing, for every block, a different miner will suppose the number and try this out be granted the right to upgrade the blockchain. Of course, that the miners with more computing power will succeed more often, but on account of the law of statistical probability, its highly unlikely that the exact same miner will succeed every time. .
Now you know what Bitcoin mining is, you might be thinking, Cool! Free money! Where do I sign up Well, not so fast
Satoshi Nakamoto, who invented Bitcoin, crafted the rules for mining in a manner that the further mining power the network gets, the harder it is to guess the answer to the mining mathematics problem. Therefore the difficulty of this mining process is really self-adjusting into the accumulated mining capability the network owns. .
If more miners join, it will get harder to solve the problem; when many of them fall off, it is going to get easier. This is known as mining issue.
Now, remember, this is on average. We can have two blocks being added minute after minute and then wait an hour for the next block. In the long run, this will even out to ten minutes on average.
As you can imagine, this type of self-adjusting mechanism has created a sort of arms race to get the most efficient and powerful miners as soon as possible.
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When Bitcoin first started out, there werent a lot of miners on the market. In reality, Satoshi, the inventor of Bitcoin, and his friend Hal Finney were a couple of the only individuals mining Bitcoin back in the time with their own personal computers.
Using your CPU see this here (central processing unityour computers brain and an integrated component in any computer) was enough for mining Bitcoin back in 2009, since mining difficulty was reduced. Since Bitcoin started to catch on, people looked for more potent mining solutions.