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But just how do you create a system Which 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 this in a Really creative way I love to call Who Wants to Be a Banker
In a nutshell, 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 easy, right
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Obviously, this guessing is done by your computer. The stronger your computer is, the more supposes you can make in one second, increasing your chances of winning this game. If you manage to guess 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 ideal guess, your mining program determines which of the current pending transactions will be grouped together into the next block of transactions. Compiling this cube 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 whole network so other computers can validate it. Its somewhat much like a Rubiks cube: The solution is very hard to attain but very easy to validate.
3. Every computer that validates your solution updates its copy of this Bitcoin transaction ledger with the transactions that you chose to include in the block.
4. The system generates a fixed amount of bitcoins (currently 12.5) and rewards them to you as compensation for 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. All the transactions in the cube youve just entered are now confirmed from the Bitcoin network and therefore are virtually irreversible.
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So thats Bitcoin mining in a nutshell. Its called mining due to the fact that this procedure helps mine new Bitcoins from the computer system. But if you think about it, the mining part is merely a by-product of this transaction confirmation process. Therefore the name is a bit misleading, since the main objective of mining is 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 guess the number and be granted the right to upgrade the blockchain. Obviously, that the miners with more computing power will succeed more often, but due to the regulation of statistical probability, its highly unlikely that the exact 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 manner that the more mining power the network has, the harder it is to imagine the answer to the mining mathematics problem. Therefore the difficulty of the mining method is actually self-adjusting to the gathered mining power the network owns. .
If more miners join, it will get more difficult to address the issue; when many of them drop off, it is going to get easier. This is known as mining difficulty.
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 type of arms race to acquire the most efficient and powerful miners as soon as possible.
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When Bitcoin first started out, there werent a great deal of miners on the market. In reality, Satoshi, the inventor of Bitcoin, and also his friend Hal Finney were a couple of the only people mining Bitcoin back at the time with over here 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 issue was reduced. Since Bitcoin started to catch on, people looked for more potent mining solutions.