Bitcoin Trading History - Questions
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 fake one, someone that took the trouble of looking at either of the invoices' consecutive numbers would observe that they were exactly the exact same number, and thus one of them had to be fictitious.
This isn't a perfect analogy--we will explain in more detail below. .
Once a miner has confirmed 1 MB (megabyte) worthiness of Bitcoin transactions, they are eligible 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 should be increased to accommodate more data.
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 (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 work, one is a matter of luck.
2) You must be the first miner to reach the perfect answer to a numeric issue. This process is also known as a proof of work.
The good news: No advanced math or computation is involved. You may have heard that miners are solving challenging mathematical problems--that is 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 hash.
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The bad news: Since it's guesswork, you need a lot of computing power in order to get there . To mine , you need to have 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 useful content mine along with your mining rig's hash rate, the site Cryptocompare provides 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 into the tens of thousands. Some miners--especially Ethereum miners--purchase 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 such rectangular cubes with whirring circles. Note the sandwich twist-ties holding the pictures cards into the metal rod.
Case in point : I tell three friends that I'm thinking about a number between 1 and 100, and I write that number on a his explanation piece of paper and seal it in an envelope. My friends don't need to guess the specific number, they just must 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 of the number 19. If Friend A guesses 21they shed because 21>19. If Friend B supposes 16 and Friend C supposes 12, then they've both theoretically arrived at viable answers, because 16<19 and 12<19. There is no"extra credit" for i thought about this Friend B, even though B's answer was closer to the target answer of 19. .
In Bitcoin terms, simultaneous answers occur frequently, but in 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 determine by a simple majority--51%--that miner to honour. Normally, it's the miner that has done the work, i.e.
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The number preceding has 64 digits. Easy enough to understand so far. As you likely noticed, that number consists not just of numbers, but also letters of this alphabet. Why is that
In order to understand what these letters are doing in the middle of numbers, let us unpack the term"hexadecimal."
As you know, we use the"decimal" system, which means it's base 10. This in turn means that each and every digit has 10 possibilities, 0-9.