Bitcoin Optech: Newsletter #257 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Robin Linus, Dave Harding, and Pavlenex to discuss Newsletter #257.

News

• Preventing coinjoin pinning with v3 transaction relay (16:08)
• Speculatively using hoped-for consensus changes (1:33)

Waiting for confirmation #7: Network Resources (24:46)

Selected Q&A from Bitcoin Stack Exchange

• Why do Bitcoin nodes accept blocks that have so many excluded transactions? (57:38)
• Why does everyone say that soft forks restrict the existing ruleset? (1:05:28)
• Why is the default LN channel limit set to 16777215 sats? (1:07:47)
• Why does Bitcoin Core use ancestor score instead of just ancestor fee rate to select transactions? (1:10:28)
• How does Lightning multipart payments (MPP) protocol define the amounts per part? (1:14:15)

Releases and release candidates

• BTCPay Server 1.10.3 (1:16:08)

Notable code and documentation changes

• Core Lightning #6303 (1:21:14)
• Eclair #2701 (1:22:21)
• Eclair #2696 (1:25:03)
• LND #7710 (1:26:51)
• LDK #2368 (1:27:43)
• LDK #2367 (1:33:34)
• LDK #2319 (1:34:40)
• LDK #2120 (1:37:09)
• LDK #2089 (1:38:12)
• LDK #2077 (1:39:08)
• Libsecp256k1 #1129 (1:40:37)