Publications
Recent publications from our blog posts and newsletters.
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Bitcoin Optech Newsletter #133
This week’s newsletter announces a meeting to discuss taproot activation mechanisms, includes a link to a Bitcoin Core usage survey, and includes our regular sections with top questions and answers from the Bitcoin StackExchange, a list of releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #132
This week’s newsletter summarizes posts to the Bitcoin-Dev mailing list about payjoin adoption and making hardware wallets compatible with more advanced Bitcoin features. Also included are our regular sections with overviews of changes to services and client software, new releases and release candidates, and changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #131
This week’s newsletter describes a new proposed Bitcoin P2P protocol message, a BIP for the bech32 modified address format, and an idea for preventing UTXO probing in proposed dual-funded LN channels. Also included are 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 #130
This week’s newsletter describes a proposed update to BIP322 generic message signing and links to a specification for LN trampoline routing. Also included are our regular sections with announcements of releases, release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #129: 2020 Year-in-Review Special
This special edition of the Optech Newsletter summarizes notable developments in Bitcoin during all of 2020. -
Bitcoin Optech Newsletter #128
This week’s newsletter describes two suggested improvements to LN static backups and links to a proposal for a new version of PSBTs. Also included are our regular sections with summaries of changes to services and client software, popular questions and answers from the Bitcoin StackExchange, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #127
This week’s newsletter describes a proposed change to the bech32 address format for taproot, mentions a bug handling certain QR-encoded addresses, thanks new members of the Cryptocurrency Open Patent Alliance, and mentions new features of the Minsc policy language and compiler. Also included are our regular sections with summaries of a recent Bitcoin Core PR Review Club meeting, new software releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #126
This week’s newsletter describes a proposal for using fidelity bonds on LN to prevent denial of service attacks, summarizes a PR to address a fee siphoning attack that could affect LN channels using anchor outputs, and links to a proposed specification for miniscript. Also included are our regular sections with releases, release candidates, and recent code changes in popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #125
This week’s newsletter links to a website that tracks miner support for taproot activation, announces a new organization funding Bitcoin research and development, and includes our regular sections with popular questions and answers from the Bitcoin StackExchange, announcements of releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #124
This week’s newsletter contains a warning about backdoored VM images. Also included are our regular sections with summaries of notable improvements to clients and services, announcements of releases and release candidates, and changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #123
This week’s newsletter shares the announcement of a marketplace for incoming LN channels. Also included are our regular sections with summaries of a Bitcoin Core PR Review Club meeting and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #122
This week’s newsletter summarizes a discussion about bi-directional upfront fees for LN and relays the results of a small survey among experts about their preferences for taproot activation. Also included are our regular sections with updates about various projects.
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Bitcoin Optech Newsletter #121
This week’s newsletter describes the disclosure of two vulnerabilities in LND and includes our regular sections with summaries of popular questions and answers from the Bitcoin StackExchange, announcements of releases and release candidates, and descriptions of changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #120
This week’s newsletter provides an overview of the new MuSig2 paper, summarizes additional discussion about upfront fees in LN, and describes a proposal to simplify management of LN payments. Also included are our regular sections with summaries of notable improvements to clients and services, announcements of releases and release candidates, and changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #119
This week’s newsletter relays a security warning for LND users, summarizes discussion about LN upfront payments, describes a mailing list thread about updating bech32 addresses for taproot, and links to an updated proposal for an alternative way to secure LN payments. Also included are our regular sections with summaries 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 #118
This week’s newsletter describes a revised proposal for a generic message signing protocol. Also included are our regular sections describing releases, release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #117
This week’s newsletter describes a compiler bug that casts doubt on the safety of secure systems and explains a technique that can be used to more efficiently verify ECDSA signatures in Bitcoin. Also included are our regular sections with popular questions and answers from the Bitcoin StackExchange, announcements of releases and release candidates, and summaries of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #116
This week’s newsletter describes a proposed soft fork to enable a new type of fee bumping and summarizes research into scripts that can never be spent because they require satisfying both timelocks and heightlocks. Also included are our regular sections with summaries of updates to services and client software, a list of new releases and release candidates, and changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #115
This week’s newsletter recommends checking for nodes vulnerable to the InvDoS attack, briefly describes that attack, summarizes another attack against LN channels, and links to the announcement of the Crypto Open Patent Alliance. Also included are our regular sections with releases, release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #114
This week’s newsletter describes continued discussion about a protocol for making routable coinswaps and includes our regular sections summarizing a Bitcoin Core PR Review Club meeting and notable changes to popular Bitcoin infrastructure projects.
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