Bitcoin Optech: Newsletter #287 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao and Brandon Black to discuss ⁠Newsletter #287⁠.

News

• Kindred replace by fee (1:10)


• Opposition to CTV based on commonly requiring exogenous fees (19:11)

Selected Q&A from Bitcoin Stack Exchange

• How does block synchronization work in Bitcoin Core today? (28:14)


• How does headers-first prevent disk-fill attack? (30:31)


• Is BIP324 v2transport redundant on Tor and I2P connections? (33:57)


• What's a rule of thumb for setting the maximum number of connections? (34:57)


• Why isn't the upper bound (+2h) on the block timestamp set as a consensus rule? (37:01)


• Sigop count and its influence on transaction selection? (43:22)

Releases and release candidates

• HWI 2.4.0 (48:03)

Notable code and documentation changes

• Bitcoin Core #29291 (48:41)


• Eclair #2811 (49:23)


• LND #8167 (52:10)


• LND #7733 (53:01)


• LND #8275 (54:01)


• Rust Bitcoin #2366 (56:34)


• HWI #716 (58:35)


• BDK #1172 (58:49)


• BINANAs #3 (59:29)