P.S. and his answer is so "good" that he "forgot" (or: doesn't even realise) - that a public key is also exposed in the moment when the transaction goes into mempool, so if quantum computer will be able to break ECDSA in ~10 minutes - we are all f***ed... :)

jk_14

SEC/US govt is fightning hard with a "small fish" right now.
They definitely wouldn't utilise such a new and so handful gun in this fight, trust me bro, lol

bitcoin

Can quantum break Bitcoin cryptography?

rybka

[Here](https://vid.puffyan.us/watch?v=wlzJyp3Qm7s)'s a good answer from Antonopoulos. 