Banker: 'Quantum computers will break Bitcoin!!' .
Bitcoin bro: 'You sure about that?'
Your bank PIN: 1010Bitcoin private key: [that glorious wall of 1s & 0s]One gets hacked by shoulder-surfing.
The other requires a sci-fi supercomputer that doesn't exist yet.
Bitcoin isn't scared of quantum.
Quantum should be scared of Bitcoin's upgrade path
