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However, just how can you create a system that has a decentralized ledger How can 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 like to call Who Wants to Be a Banker
In short, anyone who wants to participate in updating the ledger of Bitcoin transactions, known as the blockchain, can do this. All you need is to guess 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 further guesses you can create in a 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 computer comes up with the right guess, your mining program determines which of these current pending transactions will be grouped together into the next block of transactions. Compiling this cube represents your moment of glory, as youve now become a temporary banker of Bitcoin who has to upgrade the Bitcoin transaction ledger known as the blockchain. .
2. The block youve generated, along with your solution, is sent to the whole network so other computers can validate it. Its a bit similar to a Rubiks cube: The solution is very tough to attain but quite easy to validate.
3. Every computer which validates your solution upgrades its copy of this Bitcoin transaction ledger with the transactions you opted to include in the cube.
4. The machine generates a predetermined amount of bitcoins (currently 12.5) and rewards them as compensation for the time and energy you spent solving the math problem.
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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 block 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 because of the fact that this process my review here helps mine new Bitcoins from the system. But if you think about it, the mining part is merely a by-product of this transaction confirmation procedure. Therefore that the name is a bit misleading, since the main goal 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 guess the number and also be granted the right to update 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 same miner will succeed each time. .
Now 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 principles for mining in a way that the more mining energy the network gets, the harder it is to guess the answer to the mining mathematics issue. So that the difficulty of the mining process is actually self-adjusting into the accumulated mining capability the network possesses. .
If more miners join, home it is going to get more difficult to address the issue; if many of them fall off, it will get easier. This can be known as mining difficulty.
Now, rememberthis is on average. We can have two blocks being inserted 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 kind of self-adjusting mechanism has made 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 lot of miners out there. In reality, Satoshi, the inventor of Bitcoin, and also his friend Hal Finney were a few the only people mining Bitcoin back in the time using 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. As Bitcoin began to catch on, folks looked for more powerful mining solutions.