# All 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 problem of looking at both of those invoices' consecutive numbers would observe that they had been exactly the same number, and thus one of them had to be fictitious.

That isn't a great 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 set by Satoshi Nakamoto, and is a matter of controversy, as some miners think the block size should be increased to accommodate more information.

Note that I stated that verifying 1 MB worth of transactions makes a miner qualified 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 at all common) or several 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 effort, one is a matter of luck.

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

The good news: No advanced math or computation is involved. You may have heard that miners are solving difficult mathematical problems--that's not true in any way. What they're doing is trying to be the first miner to come up with a 64-digit hexadecimal number (a"hash") that is less than or equivalent to the target hash.

# The Basic Principles Of How Bitcoins Are Made

The bad news: Since it is guesswork, you need a lot of computing power in order to get there . To mine successfully, you need to get a linked here high"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 important source just how much Bitcoin you can mine with your mining rig's hash pace, the 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 into the tens of thousands. Some miners--particularly Ethereum miners--purchase individual graphics cards (GPUs) as a cheap way to cobble together mining operations. The photograph below is a makeshift, home-made mining machine. The graphics cards are such rectangular blocks with whirring circles. Note the sandwich twist-ties holding the graphics cards into the metal pole.

Case in point I 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 need to guess the exact number, they just have to be the very first person to guess any number that's less than or equal to the number I'm thinking of.

## About Bitcoin Mining Code

Let us 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 guesses 12, then they have both technically came at workable answers, since 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 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 which can be equivalent to or less than the target number, the Bitcoin network will decide by next page a simple majority--51 percent --that miner to honour. Normally, it is the miner who has done the work, i.e.

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

Now imagine I present the"figure what number I am thinking of" question, however I am not asking only 3 friends, and I am not thinking of a number between 1 and 100. Instead, I am asking millions of prospective miners and I am thinking of a 64-digit hexadecimal number. Now you see that it's going to be quite hard to guess the ideal answer.

## A Biased View of How Bitcoins Are Made

The number above has 64 digits. Easy enough to understand up to now. 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's unpack the term"hexadecimal."

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