[vc_row][vc_column][vc_paragraph text=”Bitcoin protocol is rapidly using so-called ‘hash function’ for adding new blocks to the block chains in the process of mining.“][/vc_column][/vc_row][vc_row][vc_column][vc_heading title=”Hash-function and mining complexity” size=”medium”][/vc_column][/vc_row][vc_row][vc_column][vc_paragraph text=”In terms of technical characteristics, hash function represents an algorithm which constitutes a fixed-length hash on the basis of data of a fixed-length. This hash represents a hexadecimal code of the initial data package that was used for its generation but, as a rule, it is much shorter.”][/vc_column][/vc_row][vc_row][vc_column][vc_paragraph text=”The main purpose of this function is creating a synthetic, relatively short code that constitutes a much larger package of data. Considering that this process may lead to information leakage in case there has been some errors, it is also irreversible: a hash cannot be tracked back to the data package used for its generation. The algorithm that is being used by crypto for hash-function is “][/vc_column][/vc_row][vc_row][vc_column][vc_paragraph text=”SHA-256 which creates a 256 bit hash and requires a certain processing power of a computer. In order to add a new block to BTC blockchain the system uses a transaction package in line for mempool confirmation. “][/vc_column][/vc_row][vc_row][vc_column][vc_paragraph text=”Miner’s job is not only to create an input hash but to calculate a hash that starts from a series of additional zeroes and corresponds to the package of input data.”][/vc_column][/vc_row][vc_row][vc_column][vc_paragraph text=”The amount of additional zeroes changes every two weeks or so and depends on so-called complexity: the more zeroes are required, the more difficult it would be to get a hash, and the longer the process will take.”][/vc_column][/vc_row]
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