Bitcoin Optech 3 weeks ago

René Pickhardt and Craig Raw joined Optech to discuss Newsletter #387: - Bitcoin Core wallet migration bug - Using Ark as a channel factory - Draft BIP for silent payment descriptors - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #387 Recap Podcast

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss Newsletter #387.

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Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #387 Recap • Listen on Fountain

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss ⁠Newsletter #387⁠.New...

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Bitcoin Optech: Newsletter #387 Recap

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Bitcoin Optech: Newsletter #387 Recap

Podcast Episode · Bitcoin Optech Podcast · 01/14/2026 · 1h 24m

Bitcoin Optech 4 weeks ago

Bitcoin Optech newsletter #387 is here: - warns of a wallet migration bug in Bitcoin Core - summarizes a post about using the Ark protocol as an LN channel factory - links to a draft BIP for silent payment descriptors - Optech Newsletter #387 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Bitcoin Core posted a notice of a bug in the legacy wallet migration feature in versions 30.0 and 30.1...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

René Pickhardt wrote on Delving Bitcoin about his discussions and ideas around whether Ark’s best use case might be as a flexible channel factory rather than as an end-user payment solution...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Craig Raw posted to the Bitcoin-Dev mailing list a proposal for a draft BIP, which defines a new top-level descriptor script expression sp() for silent payments...

Bitcoin Optech

Bitcoin Optech Newsletter #387

This week’s newsletter warns of a wallet migration bug in Bitcoin Core, summarizes a post about using the Ark protocol as an LN channel factory, ...

Bitcoin Optech will host an audio recap discussion of this newsletter on

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Tuesday at 17:30 UTC. Join us to discuss or ask questions!

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Bitcoin Optech 4 weeks ago

Anthony Towns and Mikhail Kudinov joined Optech to discuss Newsletter #386: - A notice about the wallet migration bug in Bitcoin Core - Building a vault using blinded co-signers - BIP for Peer feature negotiation - Year 2106 timestamp overflow - BIP54 timestamp restriction for a timestamp overflow soft fork - Mitigating a CTV footgun - CTV activation meeting - OP_CHECKCONSOLIDATION to enable cheaper consolidations - Hash-based signatures post-quantum Bitcoin - And more You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #386 Recap Podcast

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Anthony Towns and Mikhail Kudinov to discuss Newsletter #386.

Fountain:

Fountain

Bitcoin Optech Podcast • Bitcoin Optech: Newsletter #386 Recap • Listen on Fountain

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Anthony Towns and Mikhail Kudinov to discuss ⁠Newsletter #386⁠...

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Bitcoin Optech: Newsletter #386 Recap

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Bitcoin Optech: Newsletter #386 Recap

Podcast Episode · Bitcoin Optech Podcast · 01/06/2026 · 2h 2m

Bitcoin Optech 1 month ago

Bitcoin Optech newsletter #386 is here: - summarizes a vault-like scheme using blinded MuSig2 - describes a proposal for Bitcoin clients to announce and negotiate support for new P2P features - links to 2106 timestamp overflow discussion and considerations around BIP54 - notes a CTV activation meeting and CTV footgun discussion - summarizes the OP_CHECKCONSOLIDATION proposal - links to a report of hash-based post-quantum signature schemes - Optech Newsletter #386 Podcast

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Jonathan T. Halseth posted to Delving Bitcoin a prototype of a vault-like scheme using blinded co-signers. Unlike traditional setups using co-signers, this scheme uses a blinded version of MuSig2 to ensure the signers know as little as possible about the funds they are involved in signing...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Anthony Towns posted to the Bitcoin-Dev mailing list about a proposal for a new BIP to define a P2P message that would allow peers to announce and negotiate support for new features...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Asher Haim posted to the Bitcoin-Dev mailing list asking Bitcoin developers to act promptly to prepare for a migration from uint32 to uint64 block timestamps...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Josh Doman posted to the Bitcoin-Dev mailing list and Delving Bitcoin asking whether it’s might be worthwhile to modify the consensus cleanup proposal to be more permissive to odd block timestamp behavior to allow a potential soft fork solution to the 2106 block timestamp overflow issue...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Chris Stewart posted to Delving Bitcoin a discussion of a “footgun” with OP_CHECKTEMPLATEVERIFY (CTV)...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Developer 1440000bytes hosted a CTV (BIP119) activation meeting...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

billymcbip proposed an opcode specifically optimized for consolidations. OP_CHECKCONSOLIDATION (CC) would evaluate to 1 if and only if it’s executed on an input with the same scriptPubKey as an earlier input in the same transaction...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Mikhail Kudinov and Jonas Nick posted to the Bitcoin-Dev mailing list about their work on evaluating hash-based signatures for use in Bitcoin...

Bitcoin Optech

Bitcoin Optech Newsletter #386

This week’s newsletter summarizes a vault-like scheme using blinded MuSig2 and describes a proposal for Bitcoin clients to announce and negotiate...

Bitcoin Optech will host an audio recap discussion of this newsletter on

Riverside: HD Podcast & Video Software | Free Recording & Editing

Riverside is your online studio for high-quality podcast and video recording and editing. Powered by AI, built for human conversations. Get started...

Tuesday at 17:30 UTC. Join us to discuss or ask questions!

Riverside.FM Studio

Bitcoin Optech 1 month ago

Bastien Teinturier, Rearden Code, and Pieter Wuille joined Optech to discuss Newsletter #385: 2025 Year-in-Review Special. Catch up on Bitcoin developments in 2025. You can listen on our website:

Bitcoin Optech

Bitcoin Optech Newsletter #385 Recap Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Rearden Code, and Pieter Wuille to discuss Newsletter #385: 2025 Year-i...

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Bitcoin Optech: Newsletter #385: 2025 Year-in-Review Special Recap

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Bitcoin Optech: Newsletter #385: 2025 Year-in-Review Special Recap

Podcast Episode · Bitcoin Optech Podcast · 12/24/2025 · 3h 43m

Bitcoin Optech 5 months ago

Bruno Garcia and Liam Eagen joined Optech to discuss Newsletter #369: News 24:56 Update on differential fuzzing of Bitcoin and LN implementations 0:58 Garbled locks for accountable computing contracts Selected Q&A from Bitcoin Stack Exchange 39:45 Is it possible to recover a private key from an aggregate public key under strong assumptions? 41:24 Are all taproot addresses vulnerable to quantum computing? 45:20 Why cant we set the chainstate obfuscation key? 52:09 Is it possible to revoke a spending branch after a block height? 53:45 Configure Bitcoin Core to use onion nodes in addition to IPv4 and IPv6 nodes? Releases and release candidates 54:22 Bitcoin Core 29.1rc2 56:45 Core Lightning v25.09rc4 Notable code and documentation changes 57:37 Bitcoin Core #31802 1:04:46 LDK #3979 1:06:19 LND #10102 1:07:04 Rust Bitcoin #4907