# The 5-Second Trick For How Bitcoins Are Made

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

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

Once a miner has confirmed 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 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 verifies transactions will get paid out.

1MB of transactions can theoretically be as small as 1 transaction (though this is not at all common) or a few thousand. It depends on how much information the transactions take up.

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

2) You must be the first miner to arrive at the right answer to a 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 discovered that miners are solving difficult mathematical problems--that's not true at all. What they're actually doing is trying to be the first miner to come up with a 64-digit hexadecimal number (a"hash")  which is less than or equivalent to the target hash.

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The bad news: Since it's guesswork, you need a good deal of computing power in order to get there first. To mine , you need to have a higher"hash speed," 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 could mine along with your mining rig's hash pace, the site Cryptocompare offers a helpful calculator.

Either a GPU (graphics processing unit) miner or an application-specific How Bitcoins Are Made integrated circuit (ASIC) miner. These can run from \$500 into the tens of thousands.  Some miners--especially Ethereum miners--buy individual graphics cards (GPUs) as a cheap way to cobble together mining operations.  The photograph below is a makeshift, high-tech mining machine.  The graphics cards are those rectangular cubes with whirring circles.  Note the sandwich twist-ties holding the pictures cards to the metal rod.

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

## The Buzz on Bitcoin Mining Code

Let us say I'm thinking about 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 theoretically arrived at workable answers, since 16<19 and 12<19. There is no"extra credit" for Friend B, even though B's answer was closer to the target 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 equal to or less than the target number, the Bitcoin network will decide by a simple majority--51 percent --which miner to honour. Typically, it's the miner who has done the work, i.e.

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

Now imagine that I present the"guess what number I am thinking of" question, but I am not asking only three friends, and I am not thinking of a number between 1 and 100. Rather, I am asking millions of would-be miners and I am thinking of a 64-digit hexadecimal number. Now you see that it is going to be quite hard to guess the ideal answer.

## The Money To Bitcoin Ideas

The number 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 the alphabet. Why is that

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

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