Blockchain, Cryptography, Bitcoin, Ethereum, Cryptocurrency.
Digital signatures m, R, and s can be used to prove that one knows the x that corresponds to X, where X=x•P. Verifying the proof requires plugging m, R, and s into hash(m,R)•X+R=s•P. Can we make it so that a specific message is required for the verification to be successful, so that the proof — m,