1 entry tagged post-quantum. All writing.
OCTOBER 8, 2026 One Door, Two Keys: What Quantum Computers and Super Intelligence Could Actually Do to Bitcoin A famous cryptographer said "we might lose public key cryptography," and Bitcoiners heard their own signature scheme in it. The thread turned out to be about Super Intelligence (SI) maths as much as quantum computers. The honest version is narrower: ECDSA and Schnorr are one door with two kinds of key, most coins are protected by a hash rather than a curve, and what differs between the two threats is warning time, not which door is at risk.