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 155 episodes available.

Bitcoin Optech Podcast episodes:

March 14, 2024Bitcoin Optech: Newsletter #293 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by ZmnSCPxj, Anthony Towns, and Armin Sabouri to discuss Newsletter #293.

News
Trustless onchain betting on potential soft forks (1:11)

Overview of Chia Lisp for Bitcoiners (14:06)
Bitcoin Core PR Review Club
Re enable `OP_CAT` (35:48)
Releases and release candidates
Core Lightning v24.02.1 (50:33)

Bitcoin Core 26.1rc1 (51:03)

Bitcoin Core 27.0rc1 (52:11)
Notable code and documentation changes
LND #8136 (54:58)

LND #8499 (57:26)

LDK #2916 (58:31)
...more
1h 1min
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

FAQs about Bitcoin Optech Podcast:

How many episodes does Bitcoin Optech Podcast have?

The podcast currently has 155 episodes available.

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