Bitcoin Optech Podcast
Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters.https://bitcoinops.org/
- Indexed episodes, last 90 days
- 12
- Latest publication
- Sep 22, 2026
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- Earliest in this view
- Jul 8, 2026
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Bitcoin Optech: Newsletter #423 Recap (opens the original)
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Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Davidson Souza, Eric Price, and PortlandHODL to discuss Newsletter #423 . News ● Vardiff controllers that strand slowing miners (23:06) ● Improvements in Utreexo initial block download (1:18) ● New BIP draft for unspendable internal keys (1:17:51) Changes to services and client software ● BitBoxApp adds Spark-based Lightning payments (1:24:09) ● Covenants.diy script editor (1:28:40) ● EntropyLab offline key calculator
Bitcoin Optech: Newsletter #422 Recap (opens the original)
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Mark “Murch” Erhardt and Mike Schmidt are joined by Adam Gibson and Rob Segers to discuss Newsletter #422 . News ● A protocol for probabilistic coinjoin and covert betting (1:14) ● Update on silent payments light clients (43:26) Releases and release candidates ● LDK v0.3-rc1 (1:04:06) ● LDK v0.2.6 (1:05:58) ● BTCPay Server 2.4.4 (1:07:44) Notable code and documentation changes ● Bitcoin Core #35949 (1:13:04) ● Bitcoin Core #34931 (1:15:11) ● Bitcoin Core #36048 (1:18:14) ● Bitcoin Core #36123 (1
Bitcoin Optech: Newsletter #421 Recap (opens the original)
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Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by average_gary, Erick Cestari, Conduition, and Greg Sanders to discuss Newsletter #421 . News ● Using silent payments for miner payouts in coinbase transaction (2:19) ● Responsible disclosure of a denial-of-service vulnerability in CLN (27:42) Changing consensus ● Continued discussion of PQC output types (54:03) ● DropKick commit/reveal PQC rescue (1:14:08) ● SHRINCS draft BIP (1:35:48) ● BIP448 and CSFS/CTV demos and appl
Bitcoin Optech: Newsletter #420 Recap (opens the original)
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Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Níckolas Goline, Optout, Abubakar Sadiq Ismail, and Moonsettler to discuss Newsletter #420 . Action items ● Prepare for an upcoming Core Lightning security release (1:46) News ● Discussion on universal opt-in replay protection (53:54) ● HWI repository to enter maintenance mode (1:24:05) ● Request for comments on using block-range filters (19:06) Releases and release candidates ● BTCPay Server 2.4.3 (1:28:31) ● Eclair 0.1
Bitcoin Optech: Newsletter #419 Recap (opens the original)
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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 a
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