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 #257 Recap

Bitcoin Optech: Newsletter #257 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Robin Linus, Dave Harding, and Pavlenex to discuss Newsletter #257. News Preventing coinjoin pinning with v3 transaction relay (16:0...

29 Jun 20231h 47min

Bitcoin Optech: Newsletter #256 Recap

Bitcoin Optech: Newsletter #256 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Thomas Voegtlin to discuss Newsletter #256. News Proposal to extend BOLT11 invoices to request two payments (1:00) Waiting for confirmation #6:...

22 Jun 202349min

Bitcoin Optech: Newsletter #255 Recap

Bitcoin Optech: Newsletter #255 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Ruben Somsen, Josie Baker, Matthew Zipkin, and Joost Jager to discuss Newsletter #255. News Discussion about the taproot annex (1:32...

15 Jun 20231h 18min

Bitcoin Optech: Newsletter #254 Recap

Bitcoin Optech: Newsletter #254 Recap

Dave Harding and Mike Schmidt are joined by Gloria Zhao, Johan Torås Halseth, and Salvatore Ingala to discuss Newsletter #254. News Using MATT to replicate CTV and manage joinpools (1:23) Waiting...

8 Jun 202355min

Bitcoin Optech: Newsletter #253 Recap

Bitcoin Optech: Newsletter #253 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Burak Keceli, Dave Harding, and Joost Jager to discuss Newsletter #253. News Proposal for a managed joinpool protocol (1:46) Trans...

1 Jun 20231h 46min

Bitcoin Optech: Newsletter #252 Recap

Bitcoin Optech: Newsletter #252 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Robin Linus, and Lukas George to discuss Newsletter #252. News State compression with zero-knowledge validity proofs (1:05) Waitin...

25 Mai 20231h 5min

Bitcoin Optech: Newsletter #251 Recap

Bitcoin Optech: Newsletter #251 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Carla Kirk-Cohen, Severin Bühler, and Dan Gould to discuss Newsletter #251. News Testing HTLC endorsement (1:33) Request for feedb...

18 Mai 20231h 13min

Bitcoin Optech: Newsletter #250 Recap

Bitcoin Optech: Newsletter #250 Recap

Mark “Murch” Erhardt and Mike Schmidt are joined by Larry Ruane and Thomas Hartman to discuss Newsletter #250. News Paper about PoWswap protocol (1:36) Releases and release candidates Core Ligh...

11 Mai 202356min

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