Or, the hash could be stored in Bitcoin’s blockchain with https://en.bitcoin.it/wiki/OP_RETURN. If 10 years later it has to be verified, finding a 10-year old Bitcoin block will be a lot easier than finding copies of a 10-year old newspaper issue.
Or, the hash could be stored in Bitcoin’s blockchain with https://en.bitcoin.it/wiki/OP_RETURN. If 10 years later it has to be verified, finding a 10-year old Bitcoin block will be a lot easier than finding copies of a 10-year old newspaper issue.
