Bitcoin/Address Validation – Rosetta Code
Written by on June 1, 2023
– The first byte is the version quantity, which shall be zero for this task ;
– the following twenty bytes are a RIPEMD-160 digest, but you do not have to know that for this job: you possibly can consider them a pure arbitrary data ;
– the final 4 bytes are a checksum examine. They’re the first 4 bytes of a double SHA-256 digest of the earlier 21 bytes.
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