Project Eleven builds BIP-32 ZK proof for post-Q-Day wallet recovery, generating proofs in 243 ms

Project Eleven and Binius lead developer Jim Posen built a post-quantum ZK proof that uses BIP-32 derivation above a hardened step to separate wallet owners from attackers holding quantum-recovered address keys. The CPU-only Binius64 prototype produces a 358 KiB proof in 243 ms on four M5 cores and verifies it in 40 ms; the full 910 ms run is 16x faster than comparable prior work. No chain can use it yet: the prototype is unaudited, needs protocol-level verification support, and currently covers P2PKH, P2WPKH, and P2SH-P2WPKH.

TLDR by @Benthic

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