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Instead, they went with Solution 2. The resulting currency, called bitcoin money, increased the blocksize to 8 Mb in order to accelerate the verification process to allow a performance of around two million transactions every day. In the time of writing, Bitcoin Cash is valued at $545.00 to Bitcoins $6,328.11.

When you hear about bitcoin mining, you envisage coins being dug out of the ground. However, bitcoin isnt bodily, so why do we call it mining

Because its similar to gold mining in the bitcoins exist in the protocols design (like the gold exists underground), but they havent been introduced into the mild yet (just as the golden hasnt been dug up). The bitcoin protocol stipulates that 21 million bitcoins will exist at some point.

They get to do so as a reward for creating cubes of validated transactions and including them in the blockchain.

Backtracking a little, lets discuss nodes. A node is a powerful computer which runs the bitcoin software and helps keep bitcoin running by participating in the relay of information. Anyone can run a node, you simply download the bitcoin software (totally free ) and leave a certain port open (the downside is the fact that it consumes energy and storage space the network at time of writing carries up about 145GB).

One node will send information to some nodes that it knows, who will relay the information to nodes that they know, etc.. That way it ends up getting around the whole network fairly fast. .

Some nodes are mining nodes (usually known as miners). These set outstanding transactions into blocks and add them to the blockchain. How do they do this By solving a complex mathematical puzzle that is part of the bitcoin program, and including the answer in the block. The puzzle that needs solving is to find a number which, when combined with the information in the block and passed through a hash function, produces a result that's within a certain range.

(For trivia lovers, this number is known as a nonce, which can be a concatenation of number used once. In the instance of bitcoin, the nonce is an integer between 0 and 4,294,967,296.)

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How do they find this number By guessing at random. The hash function which makes it impossible to forecast what the output will be. So, miners guess the mystery number and use the hash function to the combination of the guessed number and also the information in the cube. The resulting hash has to start with a pre-established number of zeroes.

Whats more, there might be several nonces that produce the desired result, or there may be none (in the event the miners keep trying, but using a different block configuration). .

The first miner to acquire a resulting hash within the desired range announces its victory to the remainder of the network. All the other miners immediately cease work on that block and start trying to figure out the mystery number for the next one. As a reward for its work, the victorious miner gets some new bitcoin. .

At the time of writing, the payoff is 12.5 bitcoins, which at time of writing will be worth nearly $200,000.

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Although its not nearly as cushy a deal as it sounds. There are a lot of mining nodes competing for this reward, and it's a question of fortune and computing power (the further guessing calculations you can perform, the find more info luckier you are).

Also, the expenses of being a mining node are considerable, not only due to the effective hardware needed (in case you've got a faster processor than your opponents, you have a better chance of finding the correct number before they do), but also because of the large amounts of power that running these chips consumes. .

And, the number of all bitcoins awarded as a reward for solving the puzzle will decrease. Its 12.5 now, but it pits each four decades or so (the next one is anticipated in 2020-21). The value of bitcoin relative to cost of power and hardware could extend up during the next few years to partially compensate this reduction, but its not certain. .

The problem of this calculation (the required number of zeroes at the beginning of the hash string) is adjusted frequently, so it takes on average about 10 minutes to process a block.

Why 10 minutes that's the amount of time the bitcoin developers think is necessary to get a continuous and diminishing flow of new coins until the maximum number of 21 million is attained (expected some time in 2140).