“xPubs Are Broken for Quantum Security” – Hunter Beast

Show Notes

Hunter Beast explains why current extended public keys (xPubs) won’t work with quantum-resistant signatures:"Unfortunately, the technique we use to create an xPub does not work on hash-based cryptography… xPubs can be used to reveal every public key currently used by your wallet. That’s not good… keep that safe."The hidden challenge of upgrading Bitcoin to post-quantum security.