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But how can you create a system that has a decentralized ledger How do you give someone the ability to update 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 Really creative manner I love to phone Who Wants to Be a Banker
In a nutshell, anyone who wants to take part in updating the ledger of Bitcoin transactions, known as the blockchain, can do so. All you need is to guess 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 computer. The stronger your computer is, the further guesses you can make in one second, increasing your chances of winning this match. If you manage to guess right, you earn bitcoins and get 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 guess, your mining system determines which of the 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 gets to upgrade the Bitcoin transaction ledger known as the blockchain. .
2. The block youve created, along with your solution, is sent to the whole network so other computers can affirm it. Its a bit similar to some Rubiks cube: The solution is very tough to attain but very easy to validate.
3. Each computer which validates your solution updates its copy of the Bitcoin transaction ledger with the transactions that you opted to include in the cube.
4. The system generates a predetermined amount of bitcoins (currently 12.5) and benefits them 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 that were attached to the transactions you inserted into the next block.
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6. Each of the transactions in the cube youve just entered are now confirmed by the Bitcoin network and are virtually irreversible.
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Therefore thats Bitcoin mining in a nutshell. Its called mining due to the fact that this process helps mine new Bitcoins from the computer system. But if you think about it, the mining part is just a by-product of the transaction confirmation procedure. Therefore the name is a bit 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 each block, a different miner will guess the number and also be granted the right to upgrade the blockchain. Of course, that the miners with computing power will succeed more often, but on account of the law of statistical probability, its highly unlikely that the same miner will succeed every time. .
Now that you know what Bitcoin mining is, you may 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 way that the further mining power the network gets, the harder it is to guess the answer to the mining mathematics problem. So the difficulty of the mining process is really self-adjusting into the accumulated mining power the network owns. .
If more miners join, it is going to get harder to address the issue; if many of them fall off, it will get easier. This is known as mining issue.
Now, click to read remember, this is on average. We can have two cubes being inserted minute after minute and then wait an hour for the next block. In the long run, this may even out to ten minutes on average.
As you can imagine, this type of self-adjusting mechanism has made a type of arms race to get the most efficient and strong 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 few the only individuals mining Bitcoin back in the time with their own personal computers.
Using your CPU (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. As Bitcoin began to catch on, people looked for more powerful mining solutions.