interop success sparks major milestones for post-quantum cryptography projects

Will Corcoran facilitated call #29 on Feb 25, 2026. Zeam, Ream, Lantern, Ethlambda achieved Devnet-3 interop with leanSpec. Checkpoint sync successful for 5 clients. Anshal leads Devnet-4 spec work, targeting completion by week's end. Research updates: Thomas evaluates Poseidon alternatives and explores Plonky3 integration, while Emil makes ~30% performance improvements in XMSS and recursion on Lean VM.