Bitcoin Optech: Newsletter #365 Recap
August 6, 2025·1h 56m·w/ Mark “Murch” Erhardt, Mike Schmidt, David Gumberg, Lauren Shareshian, Jameson Lopp, Steven Roose, Tim Ruffing
Show Notes
Mark “Murch” Erhardt and Mike Schmidt are joined by David Gumberg, Lauren Shareshian, Jameson Lopp, Steven Roose, and Tim Ruffing to discuss Newsletter #365.
News
● Testing compact block prefilling (1:13:00)
● Mempool-based fee estimation library (1:33:53)
Changing consensus
● Migration from quantum-vulnerable outputs (49:17)
● Taproot-native `OP_TEMPLATEHASH` proposal (1:13)
● Proposal to allow longer relative timelocks (12:57)
● Security against quantum computers with taproot as a commitment scheme (23:48)
Releases and release candidates
● Bitcoin Core 29.1rc1 (1:46:55)
Notable code and documentation changes
● Bitcoin Core #29954 (1:48:12)
● Bitcoin Core #33004 (1:49:13)
● LDK #3246 (1:52:37)
● LDK #3892 (1:53:35)
● LDK #3662 (1:54:31)
