Publications
Recent publications from our blog posts and newsletters.
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Bitcoin Optech Newsletter #231: 2022 Year-in-Review Special
This special edition of the Optech Newsletter summarizes notable developments in Bitcoin during all of 2022. -
Bitcoin Optech Newsletter #230
This week’s newsletter summarizes a proposal for a modified version of LN that may improve compatibility with channel factories, describes software for mitigating some effects of channel jamming attacks without changing the LN protocol, and links to a website for tracking unsignaled transaction replacements. Also included are our regular sections with announcements of new client and service software, summaries of popular questions and answers on the Bitcoin Stack Exchange, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #229
This week’s newsletter describes an implementation of ephemeral anchors and includes our regular sections with the summary of a Bitcoin Core PR Review Club meeting, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #228
This week’s newsletter describes a proposal to mitigate LN jamming attacks using reputation credential tokens. Also included are our regular sections with announcements of new software releases and release candidates and summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #227
This week’s newsletter contains our regular sections with selected questions and answers from the Bitcoin Stack Exchange, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #226
This week’s newsletter describes a proposal to enable generalized smart contracts on Bitcoin and summarizes a paper about addressing LN channel jamming attacks. Also included are our regular sections with descriptions of changes to services and client software, announcements of new releases and release candidates, and summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #225
This week’s newsletter summarizes continued discussion about a configuration option for enabling full-RBF in Bitcoin Core and describes a bug affecting BTCD, LND, and other software. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, descriptions of new releases and release candidates, and overviews of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #224
This week’s newsletter describes continued discussion about optionally allowing nodes to enable full RBF, relays a request for feedback on a design element of the BIP324 version 2 encrypted transport protocol, summarizes a proposal for reliably attributing LN failures and delays to particular nodes, and links to a discussion about an alternative to using anchor outputs for modern LN HTLCs. Also included are our regular sections with the announcements of new software releases and release candidates—including a security critical update for LND—and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #223
This week’s newsletter summarizes continued discussion about enabling full RBF, provides overviews for several transcripts of discussions at a CoreDev.tech meeting, and describes a proposal for ephemeral anchor outputs designed for contract protocols like LN. Also included are our regular sections with summaries of popular questions and answers from the Bitcoin Stack Exchange, a list of new software releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #222
This week’s newsletter describes the block parsing bug affecting BTCD and LND last week, summarizes discussion about a planned Bitcoin Core feature change related to replace by fee, outlines research about validity rollups on Bitcoin, shares an announcement about a vulnerability in the draft BIP for MuSig2, examines a proposal to reduce the minimum size of an unconfirmed transaction that Bitcoin Core will relay, and links to an update of the BIP324 proposal for a version 2 encrypted transport protocol for Bitcoin. Also included are our regular sections with summaries of changes to services and client software, announcements of new releases and release candidates, and descriptions of notable merges to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #221
This week’s newsletter summarizes a proposal to allow casual LN users to stay offline for up to several months at a time and describes a document about allowing transaction information servers to host unused wallet addresses. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club, announcements of new software releases and release candidates (including a critical LND fix), and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #220
This week’s newsletter describes a proposal for new opt-in transaction relay rules and summarizes research into helping LN channels stay balanced. Also included are our regular sections listing new software releases and release candidates plus notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #219
This week’s newsletter describes a proposal to allow LN nodes to advertise capacity-dependent feerates and announces a software fork of Bitcoin Core focused on testing major protocol changes on signet. Also included are our regular sections with summaries of popular questions and answers from the Bitcoin Stack Exchange, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #218
This week’s newsletter summarizes a discussion about using
SIGHASH_ANYPREVOUTto emulate aspects of drivechains. Also included are our regular sections describing recent changes to services, client software, and popular Bitcoin infrastructure software. -
Bitcoin Optech Newsletter #217
This week’s newsletter includes our regular section with the summary of a Bitcoin Core PR Review Club meeting, a list of new software releases and release candidates, and summaries of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #216
This week’s newsletter summarizes several notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #215
This week’s newsletter describes a proposal for a standardized wallet label export format and includes our regular sections with summaries of recent questions and answers from the Bitcoin StackExchange, a list of new software releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #214
This week’s newsletter links to the overview of a guide about channel jamming attacks and summarizes several updates to a PR for silent payments. Also included are our regular sections with descriptions of changes to popular services and clients, announcements of new releases and release candidates, and summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #213
This week’s newsletter describes how BLS signatures could be used to improve DLCs without consensus changes to Bitcoin and includes our regular sections with announcements of new software releases and release candidates, plus summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #212
This week’s newsletter summarizes a discussion about lowering the default minimum transaction relay feerate in Bitcoin Core and other nodes. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club, announcements of new releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure projects.
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