# The 5-Second Trick For 20000 Satoshi

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 who took the trouble of looking at either of the bills' consecutive numbers would observe that they were exactly the exact same number, and consequently one of them had to be false.

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

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

Note that I said that verifying 1 MB worth of transactions makes a miner eligible to earn Bitcoin--not everyone who supports transactions will get paid out.

1MB of transactions can technically be small as 1 transaction (although this is not at all common) or a few thousand. It depends on how much data the transactions consume.

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 a numeric problem. This process is also known as an evidence of work.

The fantastic news: No advanced math or computation is involved. You might have discovered that miners are solving challenging mathematical problems--that's not true in any way. What they are doing is trying to be the first miner to think of a 64-digit hexadecimal number (a"hash")  that is less than or equivalent to the 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 . To mine , you need to get a high"hash rate," that 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 pace, the website Cryptocompare provides a very helpful calculator.

Either a GPU (graphics processing unit) miner or an application-specific integrated circuit (ASIC) miner. These can run from \$500 to link the tens of thousands.  Some miners--particularly Ethereum miners--buy individual graphics cards (GPUs) as a low-cost method to cobble together mining operations.  The photograph below is a makeshift, high-tech mining machine.  The cards are such rectangular blocks with whirring circles.  Note the sandwich twist-ties holding the graphics cards to the metal pole.

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

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Let's say I'm thinking about the number 19. If Friend A guesses 21they shed because 21>19. If Friend B guesses 16 and Friend C guesses 12, then they've both theoretically arrived at viable answers, because 16<19 and 12<19. There is no"extra credit" for Friend B, even though B's answer was nearer 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 which can be equal to or less than the target number, the Bitcoin network will decide by a simple majority--51%--which miner to honour. Typically, it's the miner that has done the work, i.e.

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

Now imagine that I present the"figure what number I'm thinking of" question, however I am not asking only 3 friends, and I'm not thinking of a number between 1 and 100. Rather, I am asking millions of prospective 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.

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The number above has 64 digits. Easy enough to understand so far. As you likely noticed, that number consists not only of numbers, but also letters of this visit this web-site alphabet. Why is that

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

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