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:

December 18, 2024Bitcoin Optech: Newsletter #333 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding, /dev/fd0, and Gloria Zhao to discuss Newsletter #333.

News
Vulnerability allowing theft from LN channels with miner assistance (1:11)

Deanonymization vulnerability affecting Wasabi and related software (12:00)

Insights into channel depletion (18:12)

Poll of opinions about covenant proposals (31:14)

Incentive-based pseudo-covenants (41:49)

Bitcoin Core developer meeting summaries (46:45)

Bitcoin Core PR Review Club
Track and use all potential peers for orphan resolution (48:18)

Changes to services and client software
Java-based HWI released (1:00:32)

Saving Satoshi Bitcoin development education game announced (1:01:24)

Neovim Bitcoin Script plugin (1:02:19)

Proton Wallet adds RBF (1:03:36)

Selected Q&A from Bitcoin Stack Exchange
How long does Bitcoin Core store forked chains? (1:03:51)

What is the point of solo mining pools? (1:05:02)

Is there a point to using P2TR over P2WSH if I only want to use the script path? (1:11:17)

Releases and release candidates
Core Lightning 24.11 (1:13:23)

BTCPay Server 2.0.4 (1:16:59)

LND 0.18.4-beta.rc2 (1:17:23)

Bitcoin Core 28.1RC1 (1:17:44)

BDK 1.0.0-beta.6 (1:18:36)

Notable code and documentation changes
Bitcoin Core #31096 (1:18:58)

Bitcoin Core #31175 (1:19:51)

Bitcoin Core #31112 (1:21:37)

LDK #3446 (1:22:56)

Rust Bitcoin #3682 (1:26:13)

BTCPay Server #5743 (1:27:17)

BDK #1756 (1:30:23)

BIPs #1535 (1:31:12)

BOLTs #1180 (1:32:33)
...more
1h 35min
December 12, 2024Bitcoin Optech: Channel Depletion Research Deep Dive Podcast
Dave Harding and Mike Schmidt are joined by René Pickhardt and Christian Decker to discuss Pickhardt’s ⁠Lightning Network channel depletion research⁠.
Summary of Pickhardt's research (1:01)

Why look at wealth distributions? (5:45)

What can be learned from depletion? (11:38)

Circular rebalancing (13:33)

What determines where the spanning tree is? (15:28)

Mitigating depletion (20:14)

Adjacent channels and their impact (26:39)

Multiparty channels, channel factories, and Ark (29:52)

Hub-and-spoke topology discussion (41:06)

What real world data would inform the theoretical? (54:54)
...more
59min
December 10, 2024Bitcoin Optech: Newsletter #332 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Antoine Riard and Antoine Poinsot to discuss ⁠Newsletter #332⁠.
News
Transaction censorship vulnerability (0:55)

Continued discussion about consensus cleanup soft fork proposal (19:20)

Releases and release candidates
Eclair v0.11.0 (46:45)

LDK v0.0.125 (47:26)

Core Lightning 24.11rc3 (47:59)

LND 0.18.4-beta.rc1 (48:21)

Bitcoin Core 28.1RC1 (48:34)

Notable code and documentation changes
Bitcoin Core #30708 (49:15)

Core Lightning #7832 (50:32)

LND #8270 (51:36)

LND #8390 (52:49)

BIPs #1534 (55:49)
...more
59min
December 09, 2024Bitcoin Optech: Newsletter #331 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Anthony Towns to discuss ⁠Newsletter #331⁠.
News
Lisp dialect for Bitcoin scripting (0:48)

Selected Q&A from Bitcoin Stack Exchange
How does ColliderScript improve Bitcoin and what features does it enable? (43:24)

Why do standardness rules limit transaction weight? (48:10)

Is the scriptSig spending an PayToAnchor output expected to always be empty? (56:16)

What happens to the unused P2A outputs? (57:13)

Why doesn't Bitcoin's PoW algorithm use a chain of lower-difficulty hashes? (1:01:47)

Clarification on false value in Script (1:04:38)

What is this strange microtransaction in my wallet? (1:06:02)

Are there any UTXOs that can not be spent? (1:09:04)

Why was BIP34 not implemented via the coinbase tx's locktime or nSequence? (1:13:15)

Releases and release candidates
Core Lightning 24.11rc2 (1:15:19)

BDK 0.30.0 (1:15:49)

LND 0.18.4-beta.rc1 (1:16:16)

Notable code and documentation changes
Bitcoin Core #31122 (1:17:17)

Core Lightning #7852 (1:20:25)

Core Lightning #7740 (1:21:27)

Core Lightning #7719 (1:22:48)

Eclair #2935 (1:23:47)

LDK #3137 (1:24:34)

LND #8337 (1:26:22)
...more
1h 29min
November 26, 2024Bitcoin Optech: Newsletter #330 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by ZmnSCPxj, Vojtěch Strnad, Moonsettler, Brandon Black, Ethan Heilman, and Dusty Daemon to discuss Newsletter #330.
...more
1h 33min
November 22, 2024Bitcoin Optech: Newsletter #329 Recap
Mark “Murch” Erhardt discusses Newsletter #329.

News
MAD-based offchain payment resolution (OPR) protocol (0:21)

Papers about IP-layer censorship of LN payments (3:10)

Releases and release candidates
BTCPay Server 2.0.3 (6:21)

Notable code and documentation changes
Bitcoin Core #30592 (8:29)

Bitcoin Core #30930 (9:46)

LDK #3283 (11:35)

LND #7762 (12:31)
...more
14min
November 22, 2024Bitcoin Optech: Newsletter #328 Recap
Mark “Murch” Erhardt and Gregory Sanders discuss Newsletter #328.

News
Disclosure of a vulnerability affecting Bitcoin Core versions before 25.1 (0:53)

Bitcoin Core PR Review Club
Ephemeral Dust (6:54)

Releases and release candidates
Bitcoin Core 27.2 (14:55)

Libsecp256k1 0.6.0 (15:40)

Notable code and documentation changes
LDK #3360 (17:40)

LDK #3207 (18:45)
...more
21min
November 05, 2024Bitcoin Optech: Newsletter #327 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Toth to discuss ⁠Newsletter #327⁠.
News
Timeout tree channel factories (0:50)

Draft BIP for DLEQ proofs (10:53)
Releases and release candidates
BTCPay Server 2.0.0 (20:02)
Notable code and documentation changes
Bitcoin Core #31130 (22:56)

LDK #3007 (25:14)

BIPs #1676 (27:15)
...more
29min
October 31, 2024Bitcoin Optech: SuperScalar Deep Dive Podcast
Dave Harding and Mike Schmidt are joined by ZmnSCPxj to discuss his SuperScalar proposal.
Why a deep dive? (0:40)

Proposal overview (1:58)

Importance of reallocating liquidity (4:13)

What about overloading channels with liquidity from the start? (9:42)

Discussion of multi-LSP vs single LSP approaches (13:05)

Ensuring unilateral exit is possible (15:22)

Malicious users forcing unilateral closes (20:21)

Decker–Wattenhofer channels vs John Law's tunable penalties (27:11)

Decker–Wattenhofer relative lock times impact on users (38:44)

Discussion of trustless non-P2P protocol structure (40:01)

Contrasting SuperScalar with Ark (44:08)

Implementation discussion (48:44)
...more
54min
October 29, 2024Bitcoin Optech: Newsletter #326 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Elle Mouton and Andrew Toth to discuss Newsletter #326.

News
Updates to the version 1.75 channel announcements proposal (1:36)

Draft BIP for sending silent payments with PSBTs (16:28)
Selected Q&A from Bitcoin Stack Exchange
Duplicate blocks in blk*.dat files? (30:07)

How was the structure of pay-to-anchor decided? (32:45)

What are the benefits of decoy packets in BIP324? (36:38)

Why is the opcode limit 201? (39:20)

Will my node relay a transaction if it is below my minimum tx relay fee? (40:31)

Why doesn't the Bitcoin Core wallet support BIP69? (42:09)

How can I enable testnet4 when using Bitcoin Core 28.0? (44:50)

What are the risks of broadcasting a transaction that reveals a `scriptPubKey` using a low-entropy key? (47:33)
Releases and release candidates
Core Lightning 24.08.2 (52:12)
Notable code and documentation changes
Eclair #2925 (52:56)

LND #9172 (53:37)

Rust Bitcoin #2960 (55:47)
...more
58min

FAQs about Bitcoin Optech Podcast:

How many episodes does Bitcoin Optech Podcast have?

The podcast currently has 147 episodes available.

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