Bitcoin Optech: Newsletter #235 Recap

Bitcoin Optech: Newsletter #235 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Valentine Wallace to discuss Newsletter #235.


News

  • Ephemeral anchors compared to `SIGHASH_GROUP` (0:58)
  • Request for proof that an async payment was accepted (12:04)

Selected Q&A from Bitcoin Stack Exchange

  • Bitcoin Core signing keys were removed from repo. What is the new process? (27:53)
  • Why doesn't signet use a unique bech32 prefix? (31:36)
  • Arbitrary data storage in witness? (34:07)
  • Why is the locktime set at transaction level while the sequence is set at input level? (38:35)
  • BLS signatures vs Schnorr (42:30)
  • Why exactly would adding further divisibility to bitcoin require a hard fork? (46:56)

Notable code and documentation changes

  • Bitcoin Core #26325 (55:20)
  • Libsecp256k1 #1192 (57:37)
  • BIPs #1383 (1:00:22)


Episoder(184)

Bitcoin Optech: Newsletter #217 Recap

Bitcoin Optech: Newsletter #217 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Larry Ruane to discuss Newsletter #217. Bitcoin Core PR Review Club Reduce bandwidth during initial headers sync when a block is found (4:58) R...

15 Sep 202250min

Bitcoin Optech: Newsletter #216 Recap

Bitcoin Optech: Newsletter #216 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Daniela Brozzoni to discuss Newsletter #216. Notable code and documentation changes Bitcoin Core #25717 (2:34) Bitcoin Core #25355 (22:41) B...

8 Sep 202244min

Bitcoin Optech: Newsletter #215 Recap

Bitcoin Optech: Newsletter #215 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Craig Raw to discuss Newsletter #215. News Wallet label export format (1:00) Selected Q&A from Bitcoin Stack Exchange Why isn't it possible t...

1 Sep 20221h 4min

Bitcoin Optech: Newsletter #214 Recap

Bitcoin Optech: Newsletter #214 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Antoine Riard and Rodolfo Novak to discuss Newsletter #214. News Overview of channel jamming attacks and mitigations (28:08) Updated silent pay...

25 Aug 202258min

Bitcoin Optech: Newsletter #213 Recap

Bitcoin Optech: Newsletter #213 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Lloyd Fournier to discuss Newsletter #213. News Using Bitcoin-compatible BLS signatures for DLCs (1:59) Releases and release candidates Rust ...

18 Aug 202255min

Bitcoin Optech: Newsletter #212 Recap

Bitcoin Optech: Newsletter #212 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd, Larry Ruane, and Gloria Zhao to discuss Newsletter #212. News Lowering the default minimum transaction relay feerate (2:30) Bitcoin...

11 Aug 20221h

Bitcoin Optech: Newsletter #211 Recap

Bitcoin Optech: Newsletter #211 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Chow and Rodolfo Novak to discuss Newsletter #211. News Multiple derivation path descriptors (0:52) Notable code and documentation chang...

3 Aug 202236min

Bitcoin Optech: Newsletter #210 Recap

Bitcoin Optech: Newsletter #210 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Ruben Somsen to discuss Newsletter #210. News Multiformat single-sig message signing (2:05) Proof of micro-burn (9:43) Selected Q&A from Bitc...

27 Jul 202258min

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