…wait, what?!
Today I learned that if you do many signatures with the same private key then it's very possible for an attacker to uncover it using these signatures and your public key: https://cdn.satellite.earth/f2daa984ce219112102ec783574df3ea612d51031e653479c903e95cfb3c70d7.mp3
Discussion
I think he is being sarcastic. There is no easy way to do this as far as I know
