Publications
Recent publications from our blog posts and newsletters.
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Bitcoin Optech Newsletter #109
This week’s newsletter describes the new Minsc policy language and contains our regular sections with recently transcribed talks and conversations, releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #108
This week’s newsletter describes a proposal to allow upgrading LN channel commitment transaction formats without opening new channels and includes a field report from River Financial about building wallet software using PSBTs and descriptors. Also included are our regular sections with selected questions and answers from the Bitcoin StackExchange, recent releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Field Report: Using Descriptors and PSBT at River Financial
A field report about how River Financial uses Partially Signed Bitcoin Transactions (PSBTs) and Output Script Descriptors in its wallet software. -
Bitcoin Optech Newsletter #107
This week’s newsletter links to several discussions about activating taproot and summarizes a proposed update to BIP173 bech32 addresses. Also included are our regular sections summarizing interesting changes to services and client software, releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #106
This week’s newsletter describes a proposed update to the draft BIP118
SIGHASH_NOINPUTand summarizes notable changes to popular Bitcoin infrastructure projects. -
Bitcoin Optech Newsletter #105
This week’s newsletter summarizes a proposed BIP for BIP32-based path templates and includes our regular sections with the summary of a Bitcoin Core PR Review Club meeting, releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #104
This week’s newsletter summarizes a discussion about mining incentives related to HTLCs and links to an announcement about a proposed service to store and relay presigned transactions. Also included are our regular sections with recently transcribed talks and conversations, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #103
This week’s newsletter summarizes a newly published fee ransom attack against LN users, links to continued discussion about the attack against LN atomicity, and shares a reminder about collision attacks on RIPEMD160-based addresses in multiparty protocols. Also included are our regular sections with popular questions and answers from the Bitcoin StackExchange, a list of releases and release candidates published this week, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #102
This week’s newsletter summarizes the CoinPool payment pool proposal and the WabiSabi coordinated coinjoin protocol. Also included are our regular sections with notable changes to services, client software, and infrastructure software.
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Bitcoin Optech Newsletter #101
This week’s newsletter links to a blog post and paper about using eclipse attacks against Bitcoin software in order to steal from LN channels and describes the history and impact of a fee overpayment attack that affects hardware wallets. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, descriptions of recent software releases, and summaries of recent changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #100
This week’s newsletter summarizes a proposed design for a coinswap implementation, describes new middleware for allowing lightweight wallets to request information directly from a user’s own node, and highlights two transaction size calculators. Also included are our regular sections with descriptions of several recently transcribed talks, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software. A special final section celebrates the publication of Newsletter #100.
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Bitcoin Optech Newsletter #99
This week’s newsletter summarizes a discussion about the minimum allowed transaction size and includes our regular sections with popular questions and answers from the Bitcoin StackExchange, releases and release candidates, and notable merges from Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #98
This week’s newsletter relays a request for comments on a proposed change to the BIP341 taproot transaction digest and briefly summarizes discussion about a new and more concise protocol for atomic swaps. Also included are our regular sections describing changes to services and client software, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #97
This week’s newsletter describes a proposal that taproot signatures make an additional commitment to spent scriptPubKeys and includes our regular sections with the summary of a Bitcoin Core PR Review Club meeting, a list of releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #96
This week’s newsletter links to a discussion about using enhanced QR codes for communicating large transactions, includes a field report from Suredbits about building a high-availability LN node, and briefly summarizes several recently transcribed talks and conversations. Also included are our regular sections with releases, release candidates, and notable code changes from popular Bitcoin infrastructure software.
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Field Report: Running a Lightning node in an enterprise environment
A field report about how Suredbits uses Eclair, AWS, and a remote PostgreSQL database to operate an LN node with fast failover capability. -
Bitcoin Optech Newsletter #95
This week’s newsletter summarizes the disclosure of an issue affecting the safety of routed LN payments and announces a new presigned vault proposal. Also included are our regular sections with popular questions and answers from the Bitcoin StackExchange, announcements of releases and release candidates, and descriptions of notable code changes in popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #94
This week’s newsletter links to a prototype for creating vaults using pre-signed transactions and includes our regular sections about notable changes to services, client software, and popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #93
This week’s newsletter summarizes a proposal for creating a unified multi-wallet backup that circumvents the inability to import BIP32 extended private keys into many wallets that support deterministic key derivation. Also included are our regular sections describing release candidates and changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #92
This week’s newsletter describes work on simplified ECDSA adaptor signatures and includes our regular sections for Bitcoin Core PR Review Club discussion summaries, release announcements, and notable changes to popular Bitcoin infrastructure projects.
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