
Sanket Kanjalkar, Jonas Nick, Tadge Dryja, Steven Roose, and Brandon Black joined Optech this week to discuss: - A new onion message network - CTV+CSFS and benefits to PTLCs and BitVM - Vault descriptors - The CTV and CSFS open letter - Winternitz signatures using OP_CAT - Commit/reveal function for post-quantum recovery - OP_TXHASH variant with support for transaction sponsorship - And more https://bitcoinops.org/en/podcast/2025/07/08/