# 7 Simple Techniques For Bitcoin Mining Code

Let's say you had one legit \$20 and one really good photocopy of that same \$20. If someone were to attempt to spend both the real bill and the fake one, someone who took the trouble of looking at both of the bills' consecutive numbers would see that they had been exactly the exact same number, and consequently one of them had to be false.

This isn't a great analogy--we will explain in more detail below. .

Once a miner has confirmed 1 MB (megabyte) worth of Bitcoin transactions, they are eligible to win the 12.5 BTC. The 1 MB limit was established by Satoshi Nakamoto, and can be an issue of controversy, as some miners believe the block size should be increased to accommodate more data.

Note that I stated that verifying 1 MB value of transactions makes a miner eligible to earn Bitcoin--not everyone who supports transactions will receive paid off.

1MB of transactions can theoretically be as little as 1 transaction (though this is not in any way common) or several thousand. It depends on how much data the transactions take up.

In order to earn Bitcoin, you need to fulfill two conditions. One is a matter of effort, one is a matter of luck.

2) You have to be the first miner to reach the perfect answer to some numeric problem. This practice is also known as an evidence of work.

The good news: No advanced math or computation is involved. You might have heard that miners are solving challenging mathematical problems--that is not true in any way. What they're actually doing is trying to be the first miner to think of a 64-digit hexadecimal number (a"hash")  which is less than or equal to the target hash.

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The bad news: Because it is guesswork, you need a lot of computing power in order to get there first. To mine successfully, you need to have a higher"hash rate," which is measured in terms of megahashes per second (MH/s), gigahashes per second (GH/s), and terahashes per second (TH/s).

If you want to estimate just how much Bitcoin you can mine with your mining rig's hash rate, the website Cryptocompare offers a helpful calculator.

Either a GPU (graphics processing unit) miner or an application-specific integrated circuit (ASIC) miner. These can run from \$500 into the tens of thousands.  Some miners--particularly Ethereum miners--buy individual graphics cards (GPUs) as a cheap method to cobble together mining operations.  The photo below is a makeshift, home-made mining machine.  The graphics cards are those rectangular blocks with whirring circles.  Note the sandwich twist-ties click to read more holding the pictures cards to the metal rod.

Example: I tell three friends I'm thinking about a number between 1 and 100, and that I write that number on a sheet of paper and seal it in an envelope. My friends don't have to guess the exact number, they simply have to be the first person to figure any number that is less than or equal to the number I'm thinking of.

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Let us say I'm thinking about the number 19. If Friend A guesses 21they lose because 21>19. If Friend B supposes 16 and Friend C guesses 12, then they have both technically came at workable answers, because 16<19 and 12<19. There's no"extra credit" for Friend B, even though B's answer was closer to the goal answer of 19. .

In Bitcoin terms, simultaneous answers happen frequently, but at the end of the day there can only be one winning answer. When multiple simultaneous answers are presented that are equivalent to or less than the target number, the Bitcoin network will decide by a simple majority--51 percent --that miner to honour. Normally, it's the miner who has done the work, i.e.

The site web losing block then becomes an"orphan block" .

Now imagine I pose the"figure what number I'm thinking of" question, but I'm not asking just three friends, and I'm not thinking of a number between 1 and 100. Rather, I'm asking millions of would-be miners and I am thinking about a 64-digit hexadecimal number. Now you see that it is going to be extremely difficult to guess the ideal answer.

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The number above has 64 read this article digits. Easy enough to understand so far. As you probably noticed, that number consists not only of numbers, but also letters of the alphabet. Why is that

In order to understand what these letters are doing in the center of numbers, let us unpack the term"hexadecimal."

As you knowwe utilize the"decimal" system, which means it is base 10. This in turn means that every digit has 10 possibilities, 0-9.