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Insteadthey went with Solution 2. The resulting currency, called bitcoin cash, increased the blocksize to 8 Mb in order to accelerate the verification procedure to allow a performance of around 2 million transactions per day. In the time of writing, Bitcoin Cash is valued at \$545.00 to Bitcoins \$6,328.11.

When you hear bitcoin mining, you envisage coins being dug from the ground. However, bitcoin isnt physical, so why do we call it mining

Since its like gold mining in the bitcoins exist in the protocols design (just as the gold exists underground), but they havent been brought out into the light yet (like the golden hasnt been awakened ). The bitcoin protocol stipulates that 21 million bitcoins will exist at some point.

They get to perform this 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 that runs the bitcoin applications and helps keep bitcoin running by participating in the relay of information. Anyone can run a node, you just download the bitcoin software (totally free ) and also leave a certain port open (the drawback is that it consumes energy and storage space the network at time of writing takes 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.. This way it ends up getting around the entire network fairly fast. .

Some nodes are mining nodes (usually known as miners). These group outstanding transactions into cubes and add them to the blockchain. How do they do this By solving a complex mathematical puzzle that is a portion of this bitcoin app, 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 via a hash function, produces a result that's within a certain range.

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

How do they find this number By guessing at random. The hash function makes it impossible to forecast exactly what the outcome will be. So, miners guess the mystery number and apply 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 may be several nonces that produce the desired result, or there might be none (in the event the miners keep trying, but with a different block configuration). .

The first miner to get a resulting hash within the desired range announces its victory to the rest of the network. The rest of the miners immediately stop work on that block and begin trying to figure out the puzzle number for the next one. As a reward for its own work, the victorious miner has some new bitcoin. .

At the time of writing, the reward is 12.5 bitcoins, which at time of writing is worth nearly \$200,000.

Though its not nearly as cushy a deal as it sounds. There are a lot of mining nodes competing for that reward, and it's a look at these guys question of fortune and computing power (the further guessing calculations you can perform, the luckier you are).

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

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

The problem of the calculation (the necessary number of zeroes at web the beginning of the hash string) is adjusted frequently, so that it requires on average approximately 10 minutes to process a block.

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