description: Tutorial on signatures with Go.

Signatures

A digital signature allows non-repudiation as it means the person who signed the message had to be in possession of the private key and so therefore the message is authentic. Anyone can verify the authenticity of the message as long as they have the hash of the original data and the public key of the signer. Signatures are a fundamental component is blockchain and we’ll learn how to generate and verify signatures in the next few lessons.