Bob … is this YOUR signature? Yes. I can prove it, here …
Published in
3 min readOct 12, 2020
How many times have you watched a movie, and there’s a court scene and where the person is ask, “Is this your signature?”. It’s a standard thing in trust, and where we must make sure that someone has signed something. In the world of digital trust, we normally use the private key to sign for something, and then the public key to prove it. But let’s say that that’s not enough for Alice, and…