Bitcoin Optech

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

[Bitcoin Optech @bitcoinoptech]

Welcome to our live show! https://t.co/hEmq8mm7kU

[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 #428 is here:

- describes a design for a single-issuer layer 2 whose users can redeem their bitcoin onchain without the issuer’s cooperation
- summarizes a proposal for including hash preimages in output script descriptors.
- summarizes changes to services/client software
- Optech Newsletter #428 Podcast

https://t.co/ktbjUOY7cm

[Bitcoin Optech @bitcoinoptech]

Changes to services and client software:

- Ibis Wallet v5.0-beta released
- Landfall wallet for Lightning mining payouts
- rbitcoin 0.8.0 released
https://t.co/lf7xcsVTKW

[Bitcoin Optech @bitcoinoptech]

@iamflops You can listen on our website:
https://t.co/hjcWvluQac

Fountain:
https://t.co/8xWYuHbZhL

Spotify:
https://t.co/PUOj3mV3HV

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

[Bitcoin Optech @bitcoinoptech]

Erick Cestari (@iamflops) and Adam Gibson joined Optech to discuss Newsletter #427:

News
● Disclosure of two DoS vulnerabilities fixed in Eclair v0.14.1 (0:53)
● Offchain contracts in Lightning channels (12:57)

Releases and release candidates
● Bitcoin Core 32.0rc4 (43:15)

Notable code and documentation changes
● Eclair #3396 (49:25)
● Eclair #3399 (53:23)
● Eclair #3395 (57:23)
● Eclair #3401 (59:09)
● LDK #5080 (1:01:03)
● LDK #5087 (1:02:46)
● LND #11068 (1:05:04)
● Rust Bitcoin #6956 (1:07:44)
● BDK #2319 (1:10:22)

[Bitcoin Optech @bitcoinoptech]

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

[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 #427 is here:

- summarizes the disclosure of two denial-of-service vulnerabilities in older versions of Eclair
- describes a proposed scheme for running complex multi-round contracts inside Lightning channels
- Optech Newsletter #427 Podcast
https://t.co/35fJM1zaZp

[Bitcoin Optech @bitcoinoptech]

Adam Gibson posted to the Bitcoin-Dev mailing list about a proposal for protocol, called LN-GAP, to run complex, multi-round, two-party contracts inside a Lightning channel while settling disputes onchain in a constant number of transactions...
https://t.co/G3W9F4hMPl

[Bitcoin Optech @bitcoinoptech]

Clara Shikhelman (@ClaraShik) and Elias Rohrer (@_tnull) joined Optech to discuss Newsletter #426:

News
● Dynamic one-byte message type IDs for BIP324 (45:02)
● Discussion of conventions for tagged hash tags in BIPs (49:04)
● Proposal for onchain, private bitcoin transfers with no consensus changes (1:15)

Releases and release candidates
● Bitcoin Core 32.0rc3 (53:34)

● Core Lightning 26.06.9 (54:38)
● LDK v0.3-rc3 (23:38)
● LDK v0.2.7 (24:33)
● BTCPay Server 2.4.5 (56:55)

Notable code and documentation changes
● Bitcoin Core #36277 (59:51)
● Bitcoin Core #36365 (1:05:09)
● Bitcoin Core #36338 (1:07:53)
● Bitcoin Core #32895 (1:10:38)
● Core Lightning #9582 (1:12:38)
● Eclair #3390 (1:18:03)
● LDK #5057 (33:00)
● LDK #5042 (35:55)
● LDK #5046 (38:25)
● LDK #5028 (41:43)
● LND #11290 (1:20:41)

[Bitcoin Optech @bitcoinoptech]

Welcome to our live show! https://t.co/WqoeqJr9Sy

[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 #426 is here:

- links to a draft BIP for letting peers choose their own one-byte message type IDs over the version 2 P2P transport
- summarizes a discussion about whether BIPs should include their number in tagged hash tags
- describes a proposed metaprotocol for private onchain transfers that requires no consensus changes
- Optech Newsletter #426 Podcast

[Bitcoin Optech @bitcoinoptech]

Misha Komarov (@nemothenoone) posted to Delving Bitcoin about a proposal for a new metaprotocol built on top of Bitcoin, called Shielded Bitcoin, that would enable private transfers while requiring no changes in consensus...
https://t.co/Z043wvzyLx