Getting The 20000 Satoshi To Work

Let us say you had one legit $20 and one really good photocopy of the same $20. If someone were to attempt to spend both the real bill and the fake one, someone who took the problem of looking at either of the invoices' serial numbers would observe that they were the same number, and thus 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 set by Satoshi Nakamoto, and can be a matter of controversy, as some miners believe the block size should be increased to accommodate more information.

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 theoretically be as little 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 fulfill two conditions. One is a matter of effort, one is a matter of luck.

2) You must be the first miner to reach the perfect 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 may have heard that miners are solving challenging mathematical problems--that's not true at all. What they're 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 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 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 how much Bitcoin you could mine with your mining rig's hash rate, the site Cryptocompare offers a very helpful calculator.

Either way 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--particularly Ethereum miners--purchase individual graphics cards (GPUs) as a low-cost way to cobble together mining operations.  The photograph below is a makeshift, home-made mining machine.  The graphics cards are those rectangular blocks with whirring circles.  Note the sandwich twist-ties holding the graphics cards into the metal pole.

Case in point straight from the source I tell three friends that I'm thinking about a number between 1 and 100, and I write that number on a sheet of paper and seal it in an envelope. My friends don't have to guess the specific number, they just have to be the very first person to figure any number that is less than or equal to this 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 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 closer to the goal answer of 19. .

In Bitcoin terms, simultaneous answers occur 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 determine 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 that I pose the"guess what number I am thinking of" question, however I am not asking only three friends, and I am not thinking of a number between 1 and 100. Instead, I'm 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 difficult to guess the ideal answer.

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The number preceding has 64 digits. Easy enough to understand up to now. As you likely noticed, that number consists not just of numbers, but also letters of this alphabet. Why is you can look here that

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

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