Bitcoin Optech Podcast

By Bitcoin Optech

Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters.

https://bitcoinops.org/... more

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FAQs about Bitcoin Optech Podcast:

How many episodes does Bitcoin Optech Podcast have?

The podcast currently has 147 episodes available.

Bitcoin Optech Podcast episodes:

November 02, 2023Bitcoin Optech: Newsletter #275 Recap
Mark “Murch” Erhardt and Mike Schmidt discuss ⁠Newsletter #275⁠.
News
Continued discussion about scripting changes (0:40)
Releases and release candidates
LDK 0.0.118 (14:57)

Rust Bitcoin 0.31.1 (17:35)
Notable code and documentation changes
Bitcoin Core #28685 (21:24)

Bitcoin Core #28651 (22:34)

Bitcoin Core #28565 (24:57)

LND #7828 (31:01)

LDK #2660 (33:14)

BOLTs #1086 (35:02)
...more
39min
October 26, 2023Bitcoin Optech: Newsletter #274 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Fabian Jahr, Ethan Heilman, and Armin Sabouri to discuss Newsletter #274.

News
Replacement cycling vulnerability against HTLCs (1:40)

Bitcoin UTXO set summary hash replacement (24:21)

Research into generic covenants with minimal Script language changes (40:02)

Proposed BIP for OP_CAT (45:38)
Selected Q&A from Bitcoin Stack Exchange
How does the Branch and Bound coin selection algorithm work? (52:17)

Why is each transaction broadcast twice in the Bitcoin network? (54:29)

Why are OP_MUL and OP_DIV disabled in Bitcoin? (56:57)

Why are hashSequence and hashPrevouts computed separately? (58:56)

Why does Miniscript add an extra size check for hash preimage comparisons? (59:52)

How can the next block fee be less than the mempool purging fee rate? (1:00:51)
Releases and release candidates
Bitcoin Core 25.1 (1:12:00)

Bitcoin Core 24.2 (1:12:00)

Bitcoin Core 26.0rc1 (1:14:23)
...more
1h 28min
October 19, 2023Bitcoin Optech: Newsletter #273 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Robin Linus and Antoine Poinsot to discuss ⁠Newsletter #273⁠.
News
Security disclosure of issue affecting LN (1:09)

Payments contingent on arbitrary computation (8:15)

Proposed BIP for MuSig2 fields in PSBTs (26:44)
Changes to services and client software
BIP-329 Python library released (29:10)

LN testing tool Doppler announced (30:19)

Coldcard Mk4 v5.2.0 released (31:54)

Tapleaf circuits: a BitVM demo (32:27)

Samourai Wallet 0.99.98i released (34:24)

Krux: signing device firmware (35:12)
Releases and release candidates
Bitcoin Core 24.2rc2 (36:06)
Notable code and documentation changes
Bitcoin Core #27255 (38:07)

Eclair #2703 (45:54)

LND #7267 (47:06)

BDK #1041 (47:39)
...more
51min
October 12, 2023Bitcoin Optech: Newsletter #272 Recap
Mike Schmidt is joined by Steven Roose and Gloria Zhao to discuss Newsletter #272.

News
Specification for `OP_TXHASH` proposed (1:42)
Bitcoin Core PR Review Club
util: Type-safe transaction identifiers (18:36)
Releases and release candidates
LDK 0.0.117 (27:33)

BDK 0.29.0 (28:35)
Notable code and documentation changes
Bitcoin Core #27596 (29:32)

Bitcoin Core #28331 (30:38)

Bitcoin Core #27609 (33:08)

Bitcoin Core GUI #764 (34:55)

Core Lightning #6676 (36:29)
...more
39min
October 05, 2023Bitcoin Optech: Newsletter #271 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Gijs van Dam and Dave Harding to discuss Newsletter #271.

News
Secure remote control of LN nodes (1:48)

Payment splitting and switching (12:23)

Pooled liquidity for LN (34:31)
Releases and release candidates
LND v0.17.0-beta (55:26)
Notable code and documentation changes
Eclair #2756 (58:26)

LDK #2486 (1:01:33)

LDK #2609 (1:02:34)
...more
1h 6min
September 28, 2023Bitcoin Optech: Newsletter #270 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Anthony Towns to discuss Newsletter #270.

News
Using covenants to improve LN scalability (2:07)
Selected Q&A from Bitcoin Stack Exchange
How did peer discovery work in Bitcoin v0.1? (20:42)

Would a series of reorgs cause Bitcoin to break because of the 2-hour block time difference restriction? (22:48)

Is there a way to download blocks from scratch without downloading block headers first? (26:56)

Where is the bitcoin source code is the 21 million hard cap stated? (28:56)

Are blocks containing non-standard transactions relayed through the network or not as in the case of non-standard transactions? (31:50)

When does Bitcoin Core allow you to Abandon transaction? (35:47)
Releases and release candidates
LND v0.17.0-beta.rc5 (39:07)
Notable code and documentation changes
Bitcoin Core #28492 (39:54)

Bitcoin Core GUI #119 (41:13)

Bitcoin Core GUI #738 (42:49)

Bitcoin Core #28246 (44:18)

Core Lightning #6311 (46:30)

Core Lightning #6617 (47:23)

Core Lightning #6686 (47:55)

Eclair #2613 (48:44)

LND #7994 (50:18)

LDK #2547 (51:10)

LDK #2534 (53:01)
...more
57min
September 21, 2023Bitcoin Optech: Newsletter #269 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Sergi Delgado Segura to discuss Newsletter #269.
...more
39min
September 14, 2023Bitcoin Optech: Newsletter #268 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Olaoluwa Osuntokun, Greg Sanders, and Pieter Wuille to discuss Newsletter #268.

News
Specifications for taproot assets (1:10)

LN messaging changes for PTLCs (53:22)
Bitcoin Core PR Review Club
BIP324 (28:31)
Releases and release candidates
LND v0.17.0-beta.rc2 (1:18:22)
Notable code and documentation changes
Bitcoin Core #26567 (1:20:52)
...more
1h 23min
September 07, 2023Bitcoin Optech: Newsletter #267 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Tom Briar and Nick Farrow to discuss Newsletter #267.

News
Bitcoin transaction compression (1:13)

Privacy enhanced co-signing (14:43)
Releases and release candidates
Libsecp256k1 0.4.0 (35:43)

LND v0.17.0-beta.rc2 (37:26)
Notable code and documentation changes
Bitcoin Core #28354 (38:43)

LDK #2468 (40:33)
...more
43min
September 03, 2023 Bitcoin Optech: Waiting for Confirmation Special
This podcast is a compilation of previous podcast discussions about the Waiting for confirmation series on mempool and relay policy. Series coauthors Mark “Murch” Erhardt and Gloria Zhao describe the concepts in the series, discuss with special guests, and take questions from the audience.

1. Why do we have a mempool? (0:50)
2. Incentives (13:10)
3. Bidding for block space (31:19)
4. Feerate estimation (47:27)
5. Policy for Protection of Node Resources (59:04)
6. Policy Consistency (1:09:47)
7. Network Resources (1:21:40)
8. Policy as an Interface (1:48:37)
9. Policy proposals (2:07:00)
10. Get Involved (2:29:15)

...more
2h 41min

FAQs about Bitcoin Optech Podcast:

How many episodes does Bitcoin Optech Podcast have?

The podcast currently has 147 episodes available.

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