Bitcoin Optech Podcast Bitcoin Optech

Mark “Murch” Erhardt and Mike Schmidt discuss ⁠Newsletter #298⁠.

News


What would have happened if cluster mempool had been deployed a year ago? (0:42)

Changes to services and client software


Phoenix for server announced (19:26)
Mercury Layer adds Lightning swaps (21:32)
Stratum V2 Reference Implementation v1.0.0 released (22:46)
Teleport Transactions update (25:09)
Bitcoin Keeper v1.2.1 released (28:10)
BIP-329 label management software (29:02)
Key agent Sigbash launches (31:37)

Releases and release candidates


Bitcoin Core 27.0 (35:19)
BTCPay Server 1.13.1 (41:50)
LDK 0.0.122 (42:55)

Notable code and documentation changes


LDK #2704 (44:40)

Dave Harding and Mike Schmidt are joined by Kulpreet Singh, Chris Stewart, Jameson Lopp, and Joost Jager to discuss ⁠Newsletter #297⁠.



News


DSL for experimenting with contracts (1:24)
Updating BIP2 (15:50)
Discussion about resetting and modifying testnet (21:00)

Bitcoin Core PR Review Club


Implement 64 bit arithmetic op codes in the Script interpreter (37:19)

Releases and release candidates


HWI 3.0.0 (46:17)
Core Lightning 24.02.2 (48:06)
Bitcoin Core 27.0rc1 (49:41)

Notable code and documentation changes


Bitcoin Core #29648 (50:25)
Bitcoin Core #29130 (21:00)

Mark “Murch” Erhardt and Mike Schmidt are joined by Antoine Poinsot to discuss ⁠Newsletter #296⁠.

News


Revisiting consensus cleanup (0:46)
Choosing new BIP editors (27:21)

Releases and release candidates


Bitcoin Core 26.1 (37:22)
Bitcoin Core 27.0rc1 (39:09)
HWI 3.0.0-rc1 (39:40)

Notable code and documentation changes


Bitcoin Core #27307 (40:59)
Bitcoin Core #29242 (43:50)
Core Lightning #7094 (52:59)
BDK #1351 (54:41)

Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding, Peter Todd, Abubakar Sadiq Ismail, David Gumberg, and Jeffrey Czyz to discuss Newsletter #295.



News


Disclosure of free relay attack (1:22)
Transaction fee sponsorship improvements (9:55)
Mempool-based feerate estimation (34:49)

Selected Q&A from Bitcoin Stack Exchange


What are the risks of running a pre-SegWit node (0.12.1)? (50:30)
When is OP_RETURN cheaper than OP_FALSE OP_IF? (55:51)
Why does BIP-340 use secp256k1? (56:33)
What criteria does Bitcoin Core use to create block templates? (58:08)
How does the initialblockdownload field in the getblockchaininfo RPC work? (1:04:45)

Releases and release candidates


Bitcoin Core 26.1rc2 (1:07:34)
Bitcoin Core 27.0rc1 (1:07:55)

Notable code and documentation changes


Bitcoin Core #28950 (1:17:13)
LND #8418 (1:19:07)
LDK #2756 (1:23:44)
LDK #2935 (1:25:55)
LDK #2419 (1:27:39)
Rust Bitcoin #2549 (1:32:54)
BTCPay Server #5852 (1:33:36)

Mark “Murch” Erhardt and Mike Schmidt are joined by Sebastian Falbesoner, Anthony Towns, and Russell O’Connor to discuss ⁠Newsletter #294⁠.



News


BIP324 proxy for light clients (1:20)
Overview of BTC Lisp (10:44)

Changes to services and client software


BitGo adds RBF support (38:59)
Phoenix Wallet v2.2.0 released (40:11)
Bitkey hardware signing device released (44:19)
Envoy v1.6.0 released (47:49)
VLS v0.11.0 released (49:22)
Portal hardware signing device announced (50:54)
Braiins mining pool adds Lightning support (51:44)
Ledger Bitcoin App 2.2.0 released (54:14)

Releases and release candidates


Bitcoin Core 26.1rc2 (55:51)
Bitcoin Core 27.0rc1 (56:48)

Notable code and documentation changes


Bitcoin Core #27375 (57:43)
Bitcoin Core #27114 (58:59)
Bitcoin Core #29306 (1:02:19)
LND #8310 (1:09:04)
Rust Bitcoin #2458 (1:10:12)

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)