# About Help Wikipedia

Let's say you had one legit $20 and one quite good photocopy of that same $20. If someone were to attempt to spend both the real bill and the imitation one, someone that took the trouble of looking at either of the bills' serial numbers would see that they had been exactly the exact same number, and consequently one of them needed to be fictitious.

This isn't a perfect analogy--we'll explain in more detail below. .

Once a miner has verified 1 MB (megabyte) worthiness of Bitcoin transactions, they are entitled to win the 12.5 BTC. The 1 MB limit was established by Satoshi Nakamoto, and is a matter of controversy, as some miners think the block size ought to be increased to accommodate more data.

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

1MB of transactions can technically be 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 meet two conditions. One is a matter of effort, one is a matter of luck.

2) You have to be the first miner to arrive at the perfect answer to a numeric issue. This process is also known as an evidence of work.

The good news: No advanced math or computation is involved. You might have discovered that miners are solving difficult mathematical problems--that is not true at all. What they're doing is trying to be the first miner to think of a 64-digit hexadecimal number (a"hash") which is less than or equivalent to the hash.

# Rumored Buzz on Bitcoin Mining Code

The bad news: Since it's guesswork, you need a lot of computing power in order to get there . To mine , you need to get a higher"hash speed," which is quantified 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 along with your mining rig's hash rate, the websites website Cryptocompare provides a helpful calculator.

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

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

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Let's say I am thinking of the number 19. If Friend A guesses 21, they lose because 21>19. If Friend B guesses 16 and Friend C supposes 12, then they've 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 nearer to the goal answer of 19. .

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

The losing block then becomes an"orphan block" .

Now imagine I present the"guess what number I am thinking of" question, however I am not asking just three friends, and I am not thinking of a number between 1 and 100. Instead, I am asking millions of would-be miners and I'm thinking of a 64-digit hexadecimal number. Now you see that it's going to be extremely difficult to guess the right answer.

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The number i was reading this above has 64 digits. Easy enough to understand so far. As you probably noticed, that number consists not just of numbers, but also letters of this alphabet. Why is that

In order to understand these letters are doing in the middle of numbers, let's unpack the term"hexadecimal."

As you know, we use the"decimal" system, which means it's base 10. This in turn means that every digit has 10 chances, 0-9.