Bitcoin Optech

We provide weekly newsletters, workshops, case studies, and research for the #Bitcoin community.

[Bitcoin Optech @bitcoinoptech]

Chandra Pratap joined Optech to discuss Newsletter #407:

News
● Core Lightning assertion DoS disclosure (0:47)
● Bitcoin Core developer meeting transcripts (14:34)

Releases and release candidates
● Eclair v0.14.0 (20:30)
● Core Lightning 26.06rc2 (23:01)

Notable code and documentation changes
● Bitcoin Core #33966 (24:14)
● Bitcoin Core #34917 (28:04)
● Bitcoin Core #35017 (30:52)
● BIPs #1944 (35:25)
● BIPs #2108 (36:14)
● Eclair #3192 (39:28)
● LDK #4584 (40:28)
● LDK #4628 (41:27)
● LND #10552 (43:35)
● LND #10820 (48:52)

[Bitcoin Optech @bitcoinoptech]

Welcome to our live show! https://t.co/9aJwqKpAaB

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech newsletter #407 is here:

- announces the responsible disclosure of a vulnerability that allowed a remote peer to crash Core Lightning nodes
- links to transcripts from a recent Bitcoin Core developer meeting
- Optech Newsletter #407 Podcast
https://t.co/3ogDsjf0Yp

[Bitcoin Optech @bitcoinoptech]

Many Bitcoin Core developers met in person in May, and transcripts from the meeting have been published. Topics included SwiftSync, post-cluster mempool, an Erlay redesign, package relay, silent payments, TCP hole punching, private broadcast, a modern crypto library, and mutation testing, among others...

https://t.co/x2vXSII5kl

[Bitcoin Optech @bitcoinoptech]

Oliver Gugger (@guggero) and 0xB10C (@0xB10C) joined Optech to discuss Newsletter #406:

News
● Significant updates to BIP322 Generic Signed Message Format (1:17)
● TCP hole punching for Bitcoin nodes behind NATs (17:39)

Changes to services and client software
● Ibis Wallet announced (40:15)
● LDK Server announced (41:10)
● https://t.co/4ctVMfwKRE v3.3.0 released (42:06)
● peer-observer P2P monitoring tooling (32:28)

Notable code and documentation changes
● Bitcoin Core #29136 (43:27)
● Bitcoin Core #34893 (47:24)
● Bitcoin Core #34860 (48:20)
● Bitcoin Core #31298 (53:52)
● Bitcoin Core #28802 (57:04)
● Eclair #3298 (58:52)
● LDK #4575 (1:02:08)
● LND #10814 (1:03:13)
● Rust Bitcoin #6191 (1:04:35)
● BLIPs #42 (1:06:20)

[Bitcoin Optech @bitcoinoptech]

Welcome to our live show! https://t.co/f0BtDzRSRx

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech newsletter #406 is here:

- links to a discussion of updates to BIP322’s generic signed message format
- describes an idea to use TCP hole punching to help Bitcoin nodes behind NATs accept inbound connections
- summarizes changes to services/client software
- Optech Newsletter #406 Podcast

[Bitcoin Optech @bitcoinoptech]

Changes to services and client software:

- Ibis Wallet announced
- LDK Server announced
- https://t.co/hxvuXZruHz v3.3.0 released
- peer-observer P2P monitoring tooling
https://t.co/MtKyjC6rV8

[Bitcoin Optech @bitcoinoptech]

Fabian Jahr (@fjahr) joined Optech to discuss Newsletter #405:

News
● Bitcoin Core script interpreter remote crash disclosure (22:00)
● BIP proposal for UTXO set sharing over P2P network (0:42)

Releases and release candidates
● Core Lightning 26.06rc1 (34:58)

Notable code and documentation changes
● Bitcoin Core #35209 (36:44)
● BIPs #2116 (38:20)
● BIPs #2141 (44:13)
● Core Lightning #9116 (48:35)
● Core Lightning #9110 (50:27)
● LDK #4598 (52:10)
● LDK #4528 (53:30)
● LND #10612 (54:37)
● BTCPay Server #7354 (57:12)
● BDK #2195 (58:10)
● Bitcoin Inquisition #100 (1:00:00)
● BINANAs #20 (1:02:42)

[Bitcoin Optech @bitcoinoptech]

@fjahr You can listen on our website:
https://t.co/HVSreU4ln9

Spotify:
https://t.co/MTv19Nt2Mv

Apple Podcasts:
https://t.co/R2Dh3dQTQ8

[Bitcoin Optech @bitcoinoptech]

Fabian Jahr (@fjahr) joined Optech to discuss Newsletter #405:

News
● Bitcoin Core script interpreter remote crash disclosure (22:00)
● BIP proposal for UTXO set sharing over P2P network (0:42)

Releases and release candidates
● Core Lightning 26.06rc1 (34:58)

Notable code and documentation changes
● Bitcoin Core #35209 (36:44)
● BIPs #2116 (38:20)
● BIPs #2141 (44:13)
● Core Lightning #9116 (48:35)
● Core Lightning #9110 (50:27)
● LDK #4598 (52:10)
● LDK #4528 (53:30)
● LND #10612 (54:37)
● BTCPay Server #7354 (57:12)
● BDK #2195 (58:10)
● Bitcoin Inquisition #100 (1:00:00)
● BINANAs #20 (1:02:42)

[Bitcoin Optech @bitcoinoptech]

Welcome to our live show! https://t.co/6MvJVSHTZI

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.

[Bitcoin Optech @bitcoinoptech]

Bitcoin Optech newsletter #404 is here:

- announces the responsible disclosure of a vulnerability that could allow an attacker with sufficient proof-of-work to crash Bitcoin Core nodes
- describes a draft BIP proposal for sharing the UTXO set over the P2P network
- Optech Newsletter #405 Podcast

https://t.co/9O4NFapL9q

[Bitcoin Optech @bitcoinoptech]

Fabian Jahr (@fjahr) posted to the Bitcoin-Dev mailing list about a draft BIP for sharing the UTXO set over the P2P layer...
https://t.co/BSpxUtwDH0