Bitcoin Optech: Newsletter #360 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Daniela Brozzoni and Naiyoma to discuss ⁠Newsletter #360⁠.

News

● Fingerprinting nodes using `addr` messages (1:00)

● Does any software use `H` in descriptors? (29:36)

Selected Q&A from Bitcoin Stack Exchange

● Is there any way to block Bitcoin Knots nodes as my peers? (33:42)

● What does OP_CAT do with integers? (42:00)

● Async Block Relaying With Compact Block Relay (BIP152) (43:03)

● Why is attacker revenue in selfish mining disproportional to its hash-power? (52:47)

Releases and release candidates

● Bitcoin Core 28.2 (57:51)

Notable code and documentation changes

● Bitcoin Core #31981 (59:21)

● Eclair #3109 (1:00:48)

● LND #9950 (1:01:31)

● LDK #3868 (1:01:56)

● LDK #3873 (1:03:10)

● Libsecp256k1 #1678 (1:04:11)

● BIPs #1803 (1:06:21)