Mark “Murch” Erhardt and Dave Harding are joined by Bastien Teinturier and Rodolfo Novak to discuss Newsletter #281.

News

Discussion about griefing liquidity ads (0:46)

Changes to services and client software

Stratum v2 mining pool launches (15:43)
Bitcoin network simulation tool warnet announced (16:31)
Payjoin client for Bitcoin Core released (17:30)
Call for community block arrival timestamps (18:44)
Envoy 1.4 released (21:41)
BBQr encoding scheme announced (22:09)
Zeus v0.8.0 released (22:45)

Selected Q&A from Bitcoin Stack Exchange

What are all the rules related to CPFP fee bumping? (25:16)
How is the total number of RBF replaced transactions calculated? (29:41)
What types of RBF exist and which one does Bitcoin Core support and use by default? (31:37)
What is the Block 1,983,702 Problem? (34:48)
What are hash functions used for in bitcoin? (45:12)

Releases and release candidates

LND 0.17.3-beta (51:59)

Notable code and documentation changes

LDK #2685 (52:22)
Libsecp256k1 #1446 (53:04)
BTCPay Server #5389 (53:36)
BTCPay Server #5490 (59:54)