Publications
Recent publications from our blog posts and newsletters.
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Bitcoin Optech Newsletter #166
This week’s newsletter describes a new proposal for a covenant opcode and summarizes a request for feedback on implementing regular reorgs on signet. Also included are our regular sections with ideas for preparing for taproot activation, a list of new releases and release candidates, and descriptions of popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #165
This week’s newsletter describes a proposal for Bitcoin-related MIME types and summarizes a paper about a design for a new decentralized mining pool. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, how to prepare for taproot, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #164
This week’s newsletter describes a new web-based tool for decoding and modifying PSBTs and links to a blog post and proof-of-concept implementation of an eltoo-based LN payment channel. Also included are our regular sections with information about preparing for taproot, announcements of new software release candidates, and summaries of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #163
This week’s newsletter summarizes a discussion about setting LN channel base fees to zero and includes our regular sections with popular questions and answers from the Bitcoin Stack Exchange, how you can prepare for taproot, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #162
This week’s newsletter summarizes a discussion about the dust limit and includes our regular sections with descriptions of changes to services and client software, how you can prepare for taproot, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #161
This week’s newsletter follows up on a previous description about fidelity bonds in JoinMarket and includes our regular sections with the summary of a Bitcoin Core PR Review Club meeting, suggestions for preparing for taproot, announcements of releases and release candidates, and descriptions of notable changes to popular infrastructure projects.
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Bitcoin Optech Newsletter #160
This week’s newsletter includes our regular sections describing how you can prepare for taproot, summarizing the latest releases and release candidates, and listing notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #159
This week’s newsletter includes our regular sections with the best questions and answers of the past month from the Bitcoin Stack Exchange, our latest column about preparing for taproot, 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 #158
This week’s newsletter describes recent changes to services and client software, discusses why wallets should wait before generating taproot addresses, lists new software releases and release candidates, and summarizes notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #157
This week’s newsletter summarizes a discussion about a proposed new opcode and links to an updated wiki page for tracking bech32m support. Also included are our regular sections with highlights from a Bitcoin Core PR Review Club meeting, suggestions about preparing for taproot, and descriptions of notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #156
This week’s newsletter describes a set of BIPs for output script descriptors, summarizes a proposal to create a set of standards documents for LN protocol extensions and application interoperability, and discusses standardizing support for pre-trusted zero-conf channel opens. Also included are our regular sections describing how to prepare for taproot, releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #155
This week’s newsletter summarizes two proposed BIPs related to wallet support for taproot and includes our regular sections describing selected questions and answers on the Bitcoin Stack Exchange, how to prepare for taproot, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #154
This week’s newsletter describes a proposal to allow universal transaction replacement by fee and includes the first post in a new weekly series about preparing for taproot. Also included are our regular sections describing updates to clients and services, new releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Preparing for taproot
Copies of all published parts of our weekly series on preparing for taproot activation at block 709,632. -
Bitcoin Optech Newsletter #153
This week’s newsletter celebrates the lock-in of the taproot soft fork, describes a draft BIP for improving transaction privacy by varying the fields used to implement anti fee sniping, and features an article about the challenges of combining transaction replacement with payment batching. Also included are our regular sections with announcements of new software releases and release candidates, plus notable changes to popular Bitcoin infrastructure software.
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Field Report: Using RBF and Additive Batching
"Additive batching" is a scheme whereby additional outputs are included to unconfirmed transactions in the mempool. This field report outlines efforts CardCoins has taken in introducing a reorg and DoS safe implementation of such a scheme in its customer payout workflow. -
Bitcoin Optech Newsletter #152
This week’s newsletter describes a proposal to allow LN nodes to receive payments without keeping their private keys online all the time. Also included are our regular sections with the summary of a Bitcoin Core PR Review Club meeting, announcements of new software releases and release candidates, and descriptions of notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #151
This week’s newsletter describes a proposal to change Bitcoin Core’s transaction selection algorithm for miner block templates to slightly increase miner profitability and give fee bumping users more collective leverage. Also included are our regular sections describing software releases and release candidates, plus notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #150
This week’s newsletter announces a change of networks for several IRC channels and celebrates Optech’s 150th newsletter. Also included are our regular sections with popular questions and answers from the Bitcoin Stack Exchange, new software releases and release candidates, and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #149
This week’s newsletter provides updates on the previously proposed transaction relay reliability workshop and CVE-2021-31876. Also included are our regular sections describing updates to services and client software, new releases and release candidates, and notable changes to popular Bitcoin infrastructure software.
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