Cryptocurrency mining?

Crypto mining is the process of issuing Crypto, built on the calculation of mathematical problems, is the only way to create a cryptocurrency.

The essence of mining is that in different parts of the Earth, there are computers that solve mathematical tasks, the result of which is the creation of bitcoin. The release (production) process is distributed to all participants in the system, which ensures security and is not controlled by a single issuing center.

All Crypto transfers are recorded in the public transaction log, they are transmitted to the miners in a chain. The job of which is to pick up one single hash from a million combinations, which would be suitable for all new transactions and a secret key, which is a guarantee of receiving a reward of Crypto . At the same time, many “getters” are competing for the award, who are the first to try to figure out the hash. When it is guessed, the block and all transactions are closed and the miners start generating the next block.

The target level of difficulty in the Bitcoin system is recalculated every 2016 blocks (approximately 2 times a week). It can increase or decrease, it all depends on the time of creation of new batches of the block and how much it differs from 2016 minutes (20160 * 10). Regardless of the total power of all miners, 1 block is generated on average within 10 minutes.

The miner’s probability of receiving a reward during these 10 minutes is equal to the ratio of his computing power to the computing power of the entire network. And if this ratio is small, then the probability of receiving an award, even over a long period of time, will be low.

How Bitcoin Mining Works?

All the transfers in the Bitcoin system are public. Miners’ work consists in choosing the right hash, which will be convenient to all the network transactions and will provide getting of the private key. There are millions of possible combinations and that’s why the process usually takes time and demands powerful equipment.

Unknown hash is the quantity that consists of the previous block hash, a random number and transactions check value sum, made during 10 minutes. System conditions can satisfy the only one quantity, which isn’t permanent and changes after each block is closed.

As soon as the right hash is defined the transaction block closes and the miner obtains reward in the amount of 12.5 bitcoins. This process can be compared with lottery, because a lot of participants are simultaneously searching the hash. The system works pursuant to the strict rules and according to them changing of closed block is practically impossible.

MINING HARDWARE

Specifically for Bitcoin, the number of mining types has significantly decreased. If other cryptocurrencies can still be mined using video cards, processors, hard drives, etc., then the high complexity of Bitcoin mining makes all these methods not only inefficient, but even unprofitable.

CPU:

A central processing unit (or CPU) is an integrated circuit that is an essential part of the hardware of a personal computer or any other equipment. Currently, any modern, high-performance computer is equipped with a powerful central processor with a high frequency of operation and several cores. Accordingly, if a miner has a good personal computer, then he will not have to invest hundreds or thousands of dollars in equipment.

GPU:

Mining on a video card is the process of mining cryptocurrency using graphic processors (GPUs). To do this, user needs a powerful video card in his home computer or a specially assembled farm of several devices in one system. If miner is interested in why GPUs are used for this process, then the answer is very simple. The thing is that video cards are initially developed to process a large amount of data by performing the same operations, as is the case with video processing. The same picture is observed in cryptocurrency mining, because here the hashing process is just the same.

FPGA:

 FPGA stands for Field Programmable Gate Array. The microcircuit is a semiconductor. Used in cases where the device is designed to perform logical operations, such as and, or, nand and others.

ASIC:

An application-specific integrated circuit, or ASIC, is just a chip designed solely for one type of work – decryption of a specific algorithm. To mine Bitcoins, this is SHA-256. Due to the lack of multitasking, devices show significantly more power than those that are suitable for all algorithms at once.

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