George Bunge on Nostr: nprofile1q…z2kd2 Thanks so much. How would somebody know that the signature is ...

nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqfpged47uuazfg7nv28mqkyyjzan5rvj0rgrzgcetrk4a7257gtwsrz2kd2 (nprofile…2kd2) Thanks so much. How would somebody know that the signature is authentic? I imagine with a handwritten signature that somebody could tell the difference with someone else’s handwriting, but how does that work with something entirely digital? I mean, what’s to stop me from signing a document claiming to be you?