Bitcoin Optech Podcast

18 Aug 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Michael Ford (fanquake) and Martin Zumsande to discuss [⁠Newsletter

12 Aug 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Conduition, Ram, and Fabian Jahr to discuss [Newsletter #417](https://bitcoinops.org/en/newsletters/2026/08/07/).

5 Aug 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Rob Hamilton, PortlandHODL, Chandra Pratap, and fabohax to discuss [Newsletter

28 Jul 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Fabian Jahr, Kruw, and Mojo to discuss [⁠Newsletter #415⁠](https://bitcoinops.org/en/newsletters/2026/07/24/).

21 Jul 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Keagan McClelland and Andrew Toth to discuss [Newsletter #414](https://bitcoinops.org/en/newsletters/2026/07/17/).

14 Jul 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Sjors Provoost to discuss [Newsletter #413](https://bitcoinops.org/en/newsletters/2026/07/10/). **News** ● Using

8 Jul 2026

Mark “Murch” Erhardt and Mike Schmidt are joined by Conduition and Jeremy Rubin to discuss [Newsletter #412](https://bitcoinops.org/en/newsletters/2026/07/03/). **Changing consensus** ●

1 Jul 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Nishant Bansal and Matthew Zipkin to discuss [Newsletter #411](https://bitcoinops.org/en/newsletters/2026/06/26/).

23 Jun 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by rkrux, Roland Bewick, and Steven Roose to discuss [⁠Newsletter

17 Jun 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Vasil Dimov to discuss [Newsletter #409](https://bitcoinops.org/en/newsletters/2026/06/12/). **News** ● Draft BIP

10 Jun 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Pyth and Ademan to discuss [Newsletter #408](https://bitcoinops.org/en/newsletters/2026/06/05/). **News** ● A

2 Jun 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Chandra Pratap to discuss [Newsletter #407](https://bitcoinops.org/en/newsletters/2026/05/29/). **News** ● Core

26 May 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Oliver Gugger and 0xB10C to discuss [Newsletter #406](https://bitcoinops.org/en/newsletters/2026/05/22/). **News**

20 May 2026

Mark “Murch” Erhardt and Mike Schmidt are joined by Fabian Jahr to discuss [⁠Newsletter #405⁠](https://bitcoinops.org/en/newsletters/2026/05/15/). **News** ● Bitcoin Core script

13 May 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Daniela Brozzoni, Naiyoma, and Thomas Voegtlin to discuss [Newsletter

6 May 2026

Gustavo Flores Echaiz and Brandon Black are joined by Olaoluwa Osuntokun to discuss [Newsletter #403](https://bitcoinops.org/en/newsletters/2026/05/01/). **News** ● Binary fuse filters as an

1 May 2026

Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Toby Sharp to discuss [Newsletter #402](https://bitcoinops.org/en/newsletters/2026/04/24/). **News** ● Hornet Node's declarative

22 Apr 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Remix7531 and Luis Schwab to discuss [Newsletter #401](https://bitcoinops.org/en/newsletters/2026/04/17/). **News**

14 Apr 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Julian Moik to discuss [⁠Newsletter #400⁠](https://bitcoinops.org/en/newsletters/2026/04/10/). **Bitcoin Core PR

7 Apr 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Armin Sabouri, Pyth, Conduition, and Jonas Nick to discuss [Newsletter

31 Mar 2026

Mike Schmidt and Gustavo Flores Echaiz are joined by Dusty Daemon to discuss [⁠Newsletter #398⁠](https://bitcoinops.org/en/newsletters/2026/03/27/). **Selected Q&A from Bitcoin Stack

24 Mar 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Corallo, Gregory Sanders, and Sebastian van Staa to discuss [⁠Newsletter

17 Mar 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jonathan Harvey-Buschel to discuss [⁠Newsletter #396⁠](https://bitcoinops.org/en/newsletters/2026/03/13/).

11 Mar 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jon McAlpine, Antoine Poinsot, Mike Casey, and Ethan Heilman to discuss [Newsletter

3 Mar 2026

Mark “Murch” Erhardt and Mike Schmidt are joined by Craig Raw and Fabian Jahr to discuss [Newsletter #393](https://bitcoinops.org/en/newsletters/2026/02/27/). **News** ● Draft BIP for output

24 Feb 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Misha Komarov, Erik De Smedt, and arbedout to discuss [⁠Newsletter

24 Feb 2026

Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Sebastian Falbesoner and Oleksandr Kurbatov to discuss [⁠Newsletter #392⁠](https://bitcoinops.org/en/newsletters/2026/02/13/).

11 Feb 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Toby Sharp, Chris Hyunhum Cho, Jonas Nick, and Antoine Poinsot to discuss [⁠Newsletter

4 Feb 2026

Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Liam Eagen to discuss [Newsletter #390](https://bitcoinops.org/en/newsletters/2026/01/30/). **News** ● Argo: a garbled-circuits

27 Jan 2026

Mark “Murch” Erhardt and Mike Schmidt are joined by René Pickhardt to discuss [⁠Newsletter #389⁠](https://bitcoinops.org/en/newsletters/2026/01/23/). **News** ● A mathematical theory of

20 Jan 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Bruno Garcia to discuss [⁠Newsletter #388⁠](https://bitcoinops.org/en/newsletters/2026/01/16/). **News** ● An

14 Jan 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss [⁠Newsletter #387⁠](https://bitcoinops.org/en/newsletters/2026/01/09/).

6 Jan 2026

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Anthony Towns and Mikhail Kudinov to discuss [⁠Newsletter

24 Dec 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Rearden Code, and Pieter Wuille to discuss [Newsletter #385: 2025 Year-in-Review

16 Dec 2025

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Morehouse and Salvatore Ingala to discuss [⁠Newsletter

9 Dec 2025

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Moonsettler and Julian to discuss [Newsletter #383](https://bitcoinops.org/en/newsletters/2025/12/05/). **News** ●

3 Dec 2025

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt discuss [⁠Newsletter #382⁠](https://bitcoinops.org/en/newsletters/2025/11/28/). **News** ● Stats on compact block

25 Nov 2025

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Antoine Poinsot and ZmnSCPxj to discuss [Newsletter #381](https://bitcoinops.org/en/newsletters/2025/11/21/).

18 Nov 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by TheCharlatan to discuss [Newsletter #380](https://bitcoinops.org/en/newsletters/2025/11/14/). **Releases and release candidates** ● LND

12 Nov 2025

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Sebastian Falbesoner, PortlandHODL, Tadge Dryja, and Antoine Poinsot to discuss [Newsletter

4 Nov 2025

Mark “Murch” Erhardt and Mike Schmidt discuss [Newsletter #378](https://bitcoinops.org/en/newsletters/2025/10/31/). **News** ● CPU DoS from unconfirmed transaction processing (1:00)

29 Oct 2025

Gustavo Flores Echaiz and Mike Schmidt are joined by Abubakar Sadiq Ismail and Carla Kirk-Cohen to discuss [⁠Newsletter #377⁠](https://bitcoinops.org/en/newsletters/2025/10/24/). **News** ●

28 Oct 2025

Gustavo Flores Echaiz and Mike Schmidt are joined by Francesco Madonna and supertestnet to discuss [Newsletter #376](https://bitcoinops.org/en/newsletters/2025/10/17/). **News** ● Continued

17 Oct 2025

Gustavo Flores Echaiz and Mike Schmidt are joined by Sindura Saraswathi, ZmnSCPxj, and Eugene Siegel to discuss [⁠Newsletter #375⁠](https://bitcoinops.org/en/newsletters/2025/10/10/). **News**

7 Oct 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by Gustavo Flores Echaiz to discuss [Newsletter #374](https://bitcoinops.org/en/newsletters/2025/10/03/). **Changing consensus** ● Draft BIPs

1 Oct 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse, Daniela Brozzoni, and Gustavo Flores Echaiz to discuss [Newsletter #373](https://bitcoinops.org/en/newsletters/2025/09/26/).

23 Sep 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by ZmnSCPxj and Constantine Doumanidis to discuss [Newsletter #372](https://bitcoinops.org/en/newsletters/2025/09/12/). **News** ● LSP-funded

16 Sep 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Bastien Teinturier to discuss [Newsletter #370](https://bitcoinops.org/en/newsletters/2025/09/12/). **News** ● Provable

10 Sep 2025

Mark “Murch” Erhardt and Mike Schmidt are joined by Russell O’Connor, Olaoluwa Osuntokun, and Jeremy Rubin to discuss [Newsletter #370](https://bitcoinops.org/en/newsletters/2025/09/05/).

8 Sep 2025

Mark “Murch” Erhardt and Mike Schmidt discuss [Newsletter #368](https://bitcoinops.org/en/newsletters/2025/08/22/). **News** ● Draft BIP for block template sharing (0:30) ● Trusted