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 184 episodes available.

Bitcoin Optech Podcast episodes:

March 07, 2024Bitcoin Optech: Newsletter #292 Recap
Mark “Murch” Erhardt and Dave Harding are joined by Josie Baker, Salvatore Ingala, and Fabian Jahr to discuss ⁠Newsletter #292⁠.
News
Updating BIP21 `bitcoin:` URIs (18:07)

PSBTs for multiple concurrent MuSig2 signing sessions (46:30)

Discussion about adding more BIP editors (58:33)

GitLab backup for Bitcoin Core GitHub project (1:11)
Releases and release candidates
Eclair v0.10.0 (1:03:24)

Bitcoin Core 26.1rc1 (1:05:18)
Notable code and documentation changes
Bitcoin Core #29412 (1:06:53)

Eclair #2829 (1:17:29)

LND #8378 (1:19:06)

BIPs #1421 (1:20:28)
...more
1h 23min
March 01, 2024Bitcoin Optech: Newsletter #291 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Richard Myers, Rijndael, Luke Dashjr, and Jason Hughes to discuss Newsletter #291.

News
Trustless contract for miner feerate futures (1:31)

Coin selection for liquidity providers (7:18)

Simple vault prototype using `OP_CAT` (21:15)

Sending and receiving ecash using LN and ZKCPs (44:44)
Selected Q&A from Bitcoin Stack Exchange
Why can't nodes have the relay option to disallow certain transaction types? (49:41)

What is the circular dependency in signing a chain of unconfirmed transactions? (53:28)

How does Ocean’s TIDES payout scheme work? (34:02)

What data does the Bitcoin Core wallet search for during a blockchain rescan? (57:57)

How does transaction rebroadcasting for watch-only wallets work? (59:37)
Releases and release candidates
Core Lightning 24.02 (1:02:20)
Notable code and documentation changes
LDK #2770 (1:04:20)
...more
1h 6min
February 22, 2024Bitcoin Optech: Newsletter #290 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, callebtc, Chris Stewart, Fabian Jahr, and Pierre Corbin to discuss ⁠Newsletter #290⁠.
News
DNS-based human-readable Bitcoin payment instructions (1:41)

Thinking about mempool incentive compatibility (9:50)

Cashu and other ecash system design discussion (29:15)

Continued discussion about 64-bit arithmetic and `OP_INOUT_AMOUNT` opcode (39:52)

Improved reproducible ASMap creation process (49:17)
Changes to services and client software
Multiparty coordination protocol NWC announced (1:11:00)

Mutiny Wallet v0.5.7 released (1:19:07)

GroupHug transaction batching service (1:19:48)

Boltz announces taproot swaps (1:22:43)
Releases and release candidates
Core Lightning 24.02rc1 (1:24:07)
Notable code and documentation changes
Bitcoin Core #27877 (1:24:58)

BOLTs #851 (1:29:00)
...more
1h 33min
February 15, 2024Bitcoin Optech: Newsletter #289 Recap
Dave Harding and Mike Schmidt are joined by Gregory Sanders and Gloria Zhao to discuss Newsletter #289.

News
Ideas for relay enhancements after cluster mempool is deployed (1:11)

What would have happened if v3 semantics had been applied to anchor outputs a year ago? (25:55)

Bitcoin-Dev mailing list move (35:47)

I Love Free Software Day (37:56)
Bitcoin Core PR Review Club
Add `maxfeerate` and `maxburnamount` args to `submitpackage` (39:57)
Notable code and documentation changes
Bitcoin Core #28948 (46:24)

Core Lightning #6785 (49:39)

Eclair #2818 (50:18)

Eclair #2816 (52:29)

LND #8338 (56:20)

LDK #2856 (56:56)

LDK #2442 (59:09)

Rust Bitcoin #2451 (59:39)
...more
1h 3min
February 08, 2024Bitcoin Optech: Newsletter #288 Recap
Dave Harding and Mike Schmidt are joined by Bastien Teinturier and Eugene Siegel to discuss Newsletter #288.

News
Public disclosure of a block stalling bug in Bitcoin Core affecting LN (1:26)

Securely opening zero-conf channels with v3 transactions (17:08)

Requirement to verify inputs use segwit in protocols vulnerable to txid malleability (27:00)

Proposal for replace by feerate to escape pinning (35:21)

Bitcoin-Dev mailing list migration update (51:15)
Releases and release candidates
LND v0.17.4-beta (1:00:02)
Notable code and documentation changes
Bitcoin Core #29189 (1:01:13)

Bitcoin Core #28956 (1:07:23)

Bitcoin Core #29347 (1:10:03)

Core Lightning #6985 (1:10:45)

Core Lightning #6904 (1:12:54)

Core Lightning #7022 (1:14:53)

Core Lightning #6936 (1:16:16)

LND #8345 (1:18:02)
...more
1h 22min
February 01, 2024Bitcoin Optech: Newsletter #287 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao and Brandon Black to discuss ⁠Newsletter #287⁠.
News
Kindred replace by fee (1:10)

Opposition to CTV based on commonly requiring exogenous fees (19:11)
Selected Q&A from Bitcoin Stack Exchange
How does block synchronization work in Bitcoin Core today? (28:14)

How does headers-first prevent disk-fill attack? (30:31)

Is BIP324 v2transport redundant on Tor and I2P connections? (33:57)

What's a rule of thumb for setting the maximum number of connections? (34:57)

Why isn't the upper bound (+2h) on the block timestamp set as a consensus rule? (37:01)

Sigop count and its influence on transaction selection? (43:22)
Releases and release candidates
HWI 2.4.0 (48:03)
Notable code and documentation changes
Bitcoin Core #29291 (48:41)

Eclair #2811 (49:23)

LND #8167 (52:10)

LND #7733 (53:01)

LND #8275 (54:01)

Rust Bitcoin #2366 (56:34)

HWI #716 (58:35)

BDK #1172 (58:49)

BINANAs #3 (59:29)
...more
1h 3min
January 26, 2024Bitcoin Optech: Newsletter #286 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge, Bastien Teinturier, Anthony Towns, Gloria Zhao, Nicholas Gregory, and Tom Trevethan to discuss ⁠Newsletter #286⁠.
News
Disclosure of fixed consensus failure in btcd (1:33)

Proposed changes to LN for v3 relay and ephemeral anchors (13:40)

New documentation repository (29:56)
Changes to services and client software
Envoy 1.5 released (45:41)

Liana v4.0 released (46:39)

Mercury Layer announced (47:46)

AQUA wallet announced (57:18)

Samourai Wallet announces atomic swap feature (57:49)
Releases and release candidates
LDK 0.0.120 (58:37)

HWI 2.4.0-rc1 (59:11)
Notable code and documentation changes
Bitcoin Core #29239 (59:37)

Eclair #2810 (1:02:16)

LDK #2791 (1:05:32)

Rust Bitcoin #2230 (1:07:43)
...more
1h 11min
January 18, 2024Bitcoin Optech: Newsletter #285 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Brandon Black, Chris Stewart, Gregory Sanders, and Oliver Gugger to discuss ⁠Newsletter #285⁠.
News
Disclosure of past vulnerability in Core Lightning (2:15)

New LNHANCE combination soft fork proposed (4:59)

Proposal for 64-bit arithmetic soft fork (21:08)

Overview of cluster mempool proposal (38:25)

Updated specification and implementation of Bitcoin transaction compression (45:22)

Discussion of Miner Extractable Value (MEV) in non-zero ephemeral anchors (46:51)
Releases and release candidates
LDK 0.0.119 (56:24)
Notable code and documentation changes
Bitcoin Core #29058 (57:17)

Bitcoin Core #29200 (58:59)

Bitcoin Core #28890 (1:00:08)

Eclair #2808 (1:01:25)

LND #8188 (1:02:09)

LND #8096 (1:07:44)

LND #8095 (1:09:08)
...more
1h 16min
January 11, 2024Bitcoin Optech: Newsletter #284 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Gregory Sanders, Dave Harding, and Stéphan Vuylsteke to discuss Newsletter #284.
News
Discussion about LN anchors and v3 transaction relay proposal (1:03)

LN-Symmetry research implementation (35:03)
Bitcoin Core PR Review Club
Nuke adjusted time (attempt 2) (50:01)
Notable code and documentation changes
LND #8308 (1:05:06)
...more
1h 9min
January 04, 2024Bitcoin Optech: Newsletter #283 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge, Antoine Riard, Abubakar Sadiq Ismail, Gloria Zhao, Salvatore Ingala, Johan Torås Halseth and SeedHammer Team to discuss Newsletter #283.

News
Disclosure of past LND vulnerabilities (2:07)

Fee-dependent timelocks (25:09)

Cluster fee estimation (8:32)

How to specify unspendable keys in descriptors (17:48)

V3 transaction pinning costs (34:14)

Descriptors in PSBT draft BIP (48:19)

Verification of arbitrary programs using proposed opcode from MATT (57:52)

Pool exit payment batching with delegation using fraud proofs (1:04:59)

New coin selection strategies (1:14:36)
Releases and release candidates
Core Lightning 23.11.2 (1:17:57)

Libsecp256k1 0.4.1 (1:18:14)
Notable code and documentation changes
Bitcoin Core #28349 (1:19:06)

Core Lightning #6957 (1:20:21)

Core Lightning #6869 (1:21:15)

Eclair #2796 (1:21:47)

Eclair #2787 (1:22:23)

LDK #2781 (1:23:14)

LDK #2723 (1:24:16)

BIPs #1504 (1:25:00)
...more
1h 27min

FAQs about Bitcoin Optech Podcast:

How many episodes does Bitcoin Optech Podcast have?

The podcast currently has 184 episodes available.

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