Bitcoin Optech: Newsletter #419 Recap

August 26
2 hours

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Episode Description

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Bastien Teinturier, Salvatore Ingala, and spacebear to discuss Newsletter #419.


News

● Reorg vulnerability in LND channel closes (1:13)

● Draft BIP for `rawtr()` output script descriptor (1:14:36)


Changes to services and client software

● Payjoin Dev Kit (rust-payjoin) 1.0.0 released (55:33)

● Silent Payments sender plugin for Electrum (1:21:41)

● Superscalar implementation announced (1:22:34)

● Cofund multisig wallet announced (1:24:57)

● Lexe adds human-readable addresses and LNURL-withdraw (1:25:55)

● Ledger Bitcoin app 2.5.0 adds human-readable policy descriptions (37:17)

● Bark 0.5.0 released (1:27:34)

● Bitcoin-PIR for private UTXO queries (1:28:16)

● OP_TEMPLATEHASH Ark demonstration (1:29:44)

● libshrincs formally verified hash-based signatures (1:34:00)


Notable code and documentation changes

● Bitcoin Core #32784 (1:38:08)

● Bitcoin Core #35797 (1:40:45)

● Bitcoin Core #35531 (1:44:14)

● Bitcoin Core #35889 (1:48:44)

● Bitcoin Core #35605 (1:51:06)

● Eclair #3352 (12:15)

● Eclair #3351 (20:31)

● Eclair #3345 (23:16)

● LND #8754 (1:54:23)

● LND #11065 (1:55:47)

● HWI #842 (1:57:04)

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