Bitcoin Optech Podcast

By Bitcoin OptechNews Tech News

Bitcoin Optech Podcast episodes

March 13, 2023Bitcoin Optech: Newsletter #241 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by James O’Beirne and Greg Sanders to discuss Newsletter #241.
News
Alternative design for OP_VAULT (0:41)

New Optech Podcast (23:29)
Bitcoin Core PR Review Club
Bitcoin-inquisition: Activation logic for testing consensus changes (24:33)
Releases and release candidates
Core Lightning 23.02 (38:01)

LDK v0.0.114 (40:00)

BTCPay 1.8.2 (40:52)

LND v0.16.0-beta.rc2 (41:40)
Notable code and documentation changes
LND #7462 (42:48)
44 min
March 06, 2023Bitcoin Optech: Newsletter #240 Recap
Mark "Murch" Erhardt and Mike Schmidt discuss Newsletter #240.
News
Faster seed backup checksums (2:31)
Releases and release candidates
HWI 2.2.1 (10:17)

Core Lightning 23.02rc3 (11:38)

lnd v0.16.0-beta.rc1 (12:03)
Notable code and documentation changes
Bitcoin Core #25943 (12:59)

Bitcoin Core #26595 (15:11)

Bitcoin Core #27068 (16:51)

LDK #1988 (18:37)

LDK #1977 (20:15)
22 min
February 27, 2023Bitcoin Optech: Newsletter #239 Recap
Join Mark “Murch” Erhardt and Mike Schmidt as they are joined by James O’Beirne, Christian Decker, and Russell O’Connor to discuss Newsletter #239.
A full transcript of the discussion is available here.
News
Draft BIP for OP_VAULT (1:18)

LN quality of service flag (4:15)

Feedback requested on LN good neighbor scoring (13:58)

Proposed BIP for Codex32 seed encoding scheme (20:27)
Selected Q&A from Bitcoin Stack Exchange
Why is witness data downloaded during IBD in prune mode? (36:40)

Can Bitcoin’s P2P network relay compressed data? (40:39)

How does one become a DNS seed for Bitcoin Core? (41:18)

Where can I learn about open research topics in Bitcoin? (44:00)

What is the maximum size transaction that will be relayed by bitcoin nodes using the default configuration? (47:55)

Understanding how ordinals work with in Bitcoin. What is exactly stored on the blockchain? (50:07)

Why doesn’t the protocol allow unconfirmed transactions to expire at a given height? (51:00)
Releases and release candidates
BDK 0.27.1 (52:44)

Core Lightning 23.02rc3 (53:16)
Notable code and documentation changes
Bitcoin Core #24149 (53:57)

Bitcoin Core #25344 (56:10)

Eclair #2596 (58:09)

Eclair #2595 (59:31)

Eclair #2479 (59:45)

LND #5988 (1:00:09)

Rust Bitcoin #1636 (1:00:42)
1 hr 2 min
February 16, 2023Bitcoin Optech: Newsletter #238 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by AJ Towns, Yuval Kogman, Alex Myers and Vivek Kasarabada to discuss Newsletter #238.

News
Continued discussion about block chain data storage (1:02)

Fee dilution in multiparty protocols (27:29)

Tapscript signature malleability (33:47)
Changes to services and client software
Liana wallet adds multisig (37:35)

Sparrow wallet 1.7.2 released (38:46)

Bitcoinex library adds schnorr support (39:20)

Libwally 0.8.8 released (39:59)
Optech Recommends
BitcoinSearch.xyz (40:40)
Releases and release candidates
Core Lightning 23.02rc2 (42:21)

BTCPay Server 1.7.11 (47:49)

BDK 0.27.0 (49:32)
Notable code and documentation changes
Core Lightning #5361 (49:51)

Core Lightning #5670 and #5956 (54:45)

Core Lightning #5697 (56:23)

Core Lightning #5960 (57:38)

LND #7171 (58:54)

LDK #2002 (1:00:01)

BTCPay Server #4600 (1:00:59)
1 hr 4 min
February 09, 2023Bitcoin Optech: Newsletter #237 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Martin Zumsande and Carla Kirk-Cohen to discuss Newsletter #237.

News
Discussion about storing data in the block chain (1:19)

Summary of call about mitigating LN jamming (11:05)
Bitcoin Core PR Review Club
Track AddrMan totals by network and table, improve precision of adding fixed seeds (27:50)
Notable code and documentation changes
Bitcoin Core #25880 (39:45)

Core Lightning #5679 (45:34)

Core Lightning #5821 (46:25)

Core Lightning #5849 (47:20)

Core Lightning #5892 (47:51)

Eclair #2565 (48:59)

LND #7252 (51:03)

LND #6527 (51:53)
53 min
February 02, 2023Bitcoin Optech: Newsletter #236 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Dan Gould and Bastien Teinturier to discuss Newsletter #236.

News
Serverless payjoin proposal (1:30)

LN async proof of payment (18:44)
Notable code and documentation changes
Bitcoin Core #26471 (28:50)

Bitcoin Core #23395 (32:11)

Eclair #2573 (33:20)

Eclair #2574 (33:20)

Eclair #2540 (38:23)

LND #7231 (44:33)

LDK #1878 (47:47)

LDK #1860 (50:35)
58 min
January 26, 2023Bitcoin Optech: Newsletter #235 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Valentine Wallace to discuss Newsletter #235.

News
Ephemeral anchors compared to `SIGHASH_GROUP` (0:58)

Request for proof that an async payment was accepted (12:04)
Selected Q&A from Bitcoin Stack Exchange
Bitcoin Core signing keys were removed from repo. What is the new process? (27:53)

Why doesn't signet use a unique bech32 prefix? (31:36)

Arbitrary data storage in witness? (34:07)

Why is the locktime set at transaction level while the sequence is set at input level? (38:35)

BLS signatures vs Schnorr (42:30)

Why exactly would adding further divisibility to bitcoin require a hard fork? (46:56)
Notable code and documentation changes
Bitcoin Core #26325 (55:20)

Libsecp256k1 #1192 (57:37)

BIPs #1383 (1:00:22)
1 hr 3 min
January 19, 2023Bitcoin Optech: Newsletter #234 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by James O’Beirne to discuss Newsletter #234.

News
Proposal for new vault-specific opcodes (1:48)
Changes to services and client software
Kraken announces sending to taproot addresses (53:01)

Whirlpool coinjoin rust client library announced (53:45)

Ledger supports miniscript (54:25)

Liana wallet released (55:11)

Electrum 4.3.3 released (58:40)
Releases and release candidates
HWI 2.2.0 (1:00:04)
Notable code and documentation changes
Core Lightning #5751 (1:02:54)

BIPs #1378 (1:06:23)
1 hr 12 min
January 12, 2023Bitcoin Optech: Newsletter #233 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Jesse Posner and ZmnSCPxj to discuss Newsletter #233.

News
Non-interactive LN channel open commitments (3:20)
Releases and release candidates
BDK 0.26.0 (54:27)

HWI 2.2.0-rc1 (55:55)
Notable code and documentation changes
Eclair #2455 (56:56)
1 hr 3 min
January 05, 2023Bitcoin Optech: Newsletter #232 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd to discuss Newsletter #232.
1 hr 9 min