# The Only Guide to Is Bitcoin Mining Profitable

In 2009, it had been 50. In 2013, it was 25, at the time of writing it is 12.5, and sometime in the center of 2020 it will halve to 6.25. .

At this speed of halving, the total number of bitcoin in circulation will approach a limit of 21 million, making the currency more scarce and valuable over time but also more expensive for miners to produce.

Here's the catch. In order for bitcoin miners to actually earn bitcoin from verifying transactions, two things must occur. To begin with, they need to verify 1 megabyte (MB) worth of transactions, which can theoretically be as little as 1 transaction but are far more often a few thousand, depending on how much information each transaction stores.

Second, in order to add a block of transactions to the blockchain, miners should solve a complex computational math problem, also referred to as a"proof of work" What they're actually doing is trying to think of a 64-digit hexadecimal number, known as a"hash," that's less than or equivalent to the target hash.

In other words, it is a gamble. .

The difficulty level of the most recent block at the time of writing is about 7,184,404,942,701. That is, the chance of a computer producing a hash below the target is 1 in 7,184,404,942,701 less than 1 in 7 trillion. That amount is adjusted every 2016 cubes, or roughly every 2 weeks, with the aim of keeping rates of mining constant.

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The reverse is also correct. If computational power has been taken from the network, the difficulty adjusts downward to make mining simpler. .

"Say I tell three friends that I'm thinking of 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 need to guess the specific number, they just have to be the first person to guess any number that's less than or equal to the number I'm thinking of.

"Let us say I'm thinking of the number 19. If Friend A guesses 21, they shed because 21>19. If Friend B guesses 16 and Friend C supposes 12, then they have both theoretically arrived at workable answers, because 16<19 and 12<19. There is no'extra credit' for Friend B, even though B's answer was nearer to the goal answer of 19. .

"Now imagine I present the'guess what number I am thinking of' question, however I am not asking just three friends, and I click here to read am not thinking of a number between 1 and 100. Instead, I'm asking millions of prospective miners and I am thinking about a 64-digit hexadecimal number. Now you see that it is going to be extremely hard to guess the right answer." .

If 1 in 7 trillion doesn't sound hard enough as is, here is the grab to the catch. Not only do bitcoin miners have to think of the ideal hash, they also must be the first to perform it.

Because bitcoin mining is essentially guesswork, arriving at the ideal answer before another miner has almost everything to do with how fast YOURURL.com your computer can create hashes. Just a decade ago, bitcoin miners can be performed competitively on normal desktop computers. As time passes, however, miners recognized that graphics cards commonly utilized for video games were more capable of mining than desktops and graphics processing units (GPU) came to dominate the game.

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These can run from \$500 into the tens of thousands. .

Nowadays, bitcoin mining is so competitive that it can only be done profitably using the most up-to-date ASICs. When using desktop computers, GPUs, or elderly models of ASICs, the expense of energy consumption actually surpasses the revenue generated. Even with the newest unit at your disposal, one computer is rarely enough to compete with exactly what miners call"mining pools." .

An mining pool is a group of miners that combine their computing power and divide the mined bitcoin between participants. A disproportionately large number of cubes are mined by pools rather than by individual miners. In July 2017, mining pools and companies represented approximately 80% to 90% of bitcoin computing power. .

Between 1 in 7 trillion odds, scaling difficulty levels, and the huge network of consumers verifying transactions, one block of transactions is verified roughly every 10 minutes. But its important to keep in mind that 10 minutes is a goal, not a rule.

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The bitcoin network can process about seven transactions per second, with transactions being logged in the blockchain every 10 minutes. Since the network of bitcoin users continues to grow, but the my blog number of transactions made in 10 minutes will eventually exceed the number of transactions that can be processed in 10 minutes.