Publications
Recent publications from our blog posts and newsletters.
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Bitcoin Optech Newsletter #81
This week’s newsletter requests help testing a pre-release of the next major version of LND, seeks review of a method for sending payments as part of a chaumian coinjoin mix, links to a work-in-progress protocol specification for discreet log contracts, and includes our regular sections about notable changes to popular services, client software, and infrastructure projects.
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Bitcoin Optech Newsletter #80
This week’s newsletter requests help testing the next version of LND, summarizes a discussion about soft fork activation mechanisms, and describes a few notable changes to popular Bitcoin infrastructure software.
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Bitcoin Optech Newsletter #79
This week’s newsletter summarizes the final week of the organized taproot review, describes a discussion about coinjoin mixing without either equal value inputs or outputs, and mentions a proposal to encode output script descriptors in end-user interfaces. Also included is our regular section about notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #78: 2019 Year-in-Review Special
This special edition of the Optech Newsletter summarizes notable developments in Bitcoin during all of 2019. -
Bitcoin Optech Newsletter #77
This week’s newsletter announces the release of LND 0.8.2-beta, requests help testing the latest C-Lightning release candidate, discusses widespread support for basic multipath payments in LN, provides an update on bech32 error detection reliability, summarizes updates to the proposed
OP_CHECKTEMPLATEVERIFYopcode, and links to a discussion about the impact of eclipse attacks on LN channels. Also included are our regular sections about notable changes to popular Bitcoin infrastructure projects, changes to services and client software, and popular Bitcoin StackExchange questions and answers. -
Bitcoin Optech Newsletter #76
This week’s newsletter announces a new maintenance release of LND, summarizes a discussion about watchtowers for eltoo payment channels, and describes several notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #75
This week’s newsletter describes some recent discussion about the schnorr and taproot proposals, notes the recent update of the proposal formerly known as
OP_CHECKOUTPUTSHASHVERIFYandOP_SECURETHEBAG, links to a proposal to standardize LN watchtowers, and summarizes notable changes to popular Bitcoin infrastructure projects. -
Bitcoin Optech Newsletter #74
This week’s newsletter announces a new major version of Bitcoin Core, provides some updates on Bitcoin and LN developer mailing lists, and describes recent developments in the ongoing schnorr/taproot review. Also included are our regular sections with top-voted questions and answers from the Bitcoin StackExchange and notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #73
This week’s newsletter announces a new minor version release of LND, notes downtime on the development mailing lists, describes some recent updates to Bitcoin services and clients, and summarizes recent changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #72
This week’s newsletter announces a security disclosure affecting some older releases of Bitcoin Core, describes new developments related to taproot, mentions a potential privacy leak related to the LN payment data format, and describes two proposed changes to the LN specification that are under discussion. Also included is our regular section describing notable changes to popular Bitcoin infrastructure projects.
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New Website Feature: Topics Index
Announcement of a new index of topics frequently mentioned on the Optech website with an initial set of 40 topics and a plan to expand that over the next year to 100 topics. -
Bitcoin Optech Newsletter #71
This week’s newsletter requests help testing a Bitcoin Core release candidate, summarizes continued discussion of LN anchor outputs, and describes a proposal for allowing full nodes and lightweight clients to signal support for IP address relay. Also included is our regular section about notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #70
This week’s newsletter announces the latest C-Lightning release, requests help testing a Bitcoin Core release candidate, describes discussions about simplified LN commitments using CPFP carve-out, and summarizes several top-voted questions and answers from the Bitcoin StackExchange.
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Bitcoin Optech Schnorr Taproot Workshop
A self-study course for learning about the schnorr/taproot softfork proposal. -
Bitcoin Optech Newsletter #69
This week’s newsletter requests testing of the C-Lightning and Bitcoin Core release candidates, invites participation in structured review of the taproot proposal, highlights updates to two Bitcoin wallets, and describes a few notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #68
This week’s newsletter announces the newest release of LND, requests testing of release candidates for Bitcoin Core and C-Lightning, relays an update on the taproot proposal, describes a proposed increase in the default LN routing fees, and summarizes three talks from the recent Cryptoeconomic Systems Summit. Also included is our regular section on notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #67
This week’s newsletter requests help testing release candidates for Bitcoin Core and LND, tracks continued discussion about the proposed noinput and anyprevout sighash flags, and describes several notable changes to popular Bitcoin infrastructure projects.
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Bitcoin Optech Newsletter #66
This week’s newsletter notes a proposed BIP that would allow nodes to implement the Erlay transaction relay protocol, announces full disclosure of vulnerabilities that affected earlier versions of LN implementations, links to a transcript from a recent Optech schnorr and taproot workshop, and includes a field report about some of the technology Bitcoin exchange BTSE uses to conserve block chain space while ensuring the safety of user deposits. We also describe several notable changes to popular Bitcoin infrastructure projects.
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Field Report: Exchange operation using Bitcoin technologies at BTSE
A field report about how BTSE uses Bitcoin technologies to improve their exchange operations. -
Bitcoin Optech Newsletter #65
This week’s newsletter requests feedback on not allowing P2SH-wrapped addresses for taproot, describes proposed changes to script resource limits in tapscript, and mentions a discussion about watchtower storage costs. Also included are a selection of popular questions and answers from the Bitcoin StackExchange and a short list of notable changes to popular Bitcoin infrastructure projects.
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