wholesale costume jewelry toronto What is the hash value in the blockchain?

new york wholesale finished jewelry The blockchain encrypts the transaction information in a transaction block through the hash algorithm, and compresses the information into a string of a string of numbers and letters. The role of Jinwo Group's analysis of its hash algorithm is as follows: The hash value of the blockchain can be only one and accurately identify a block. Any nodes in the blockchain obtain this block. Hall value, the calculated hash value does not change, it means that the information in the blockchain has not been tampered with.