Core Lightning 26.06.7, the “upgrade now?” release, with source briefly withheld and --offline as the band-aid.

Can Bitcoin stomach post-quantum signatures? Blockstream compares Dilithium, Falcon, and Hawk, and grudgingly picks Falcon-1024.

Coldcard's RNG mess gets a Jade defense memo, plus a look at their entropy path and firmware review process.

Benchmarks PQ signatures on real hardware wallets, showing on-device signing is already feasible, not just paperware.