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Blog

Oct 10, 2024
Guide for Wallets Employing Bitcoin Core 28.0 Policies
In Bitcoin Core 28.0 contains new P2P and mempool policy features that may be useful for a number of wallets and transaction types. Here Gregory Sanders presents a high-level guide to the feature set and how they can be used individually or together.
Nov 15, 2023
Field Report: A Miniscript Journey
This field report outlines miniscript's ecosystem adoption from the perspective of Wizardsardine.
Aug 16, 2023
Field Report: Implementing MuSig2
This field report outlines the path BitGo has taken in researching, implementing, and rolling out MuSig2 capabilities on their platform.
May 17, 2023
Waiting for confirmation: a series about mempool and relay policy
Copies of all published parts of our weekly series on transaction relay, mempool inclusion, and mining transaction selection---including why Bitcoin Core has a more restrictive policy than allowed by consensus and how wallets can use that policy most effectively.
Mar 8, 2023
New Optech Podcast
Announcement of a new Optech podcast based on the weekly Optech Audio Recap hosted on Twitter Spaces.
Jun 23, 2021
Preparing for taproot
Copies of all published parts of our weekly series on preparing for taproot activation at block 709,632.
Jun 16, 2021
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.
Mar 26, 2021
Scaling Bitcoin using Payment Batching
Bitcoin Optech's perspective on how high-frequency spenders can use the scaling technique of payment batching to reduce transaction sizes and fees by about 75% in practical situations.
Feb 19, 2021
Pausing the Membership Program
As business travel remains on hold in many parts of the world due to the COVID-19 pandemic, we're temporarily pausing our membership model. We'll continue to provide high-quality online technical material for engineers working on Bitcoin.
Aug 12, 2020
Field Report: How segwit and batching could have saved half a billion dollars in fees
A field report, based on research from Veriphi, showing how full segwit and batching adoption could have saved users nearly half a billion dollars in Bitcoin network fees.
Jul 29, 2020
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.
May 6, 2020
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.
Nov 12, 2019
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.
Oct 29, 2019
Bitcoin Optech Schnorr Taproot Workshop
A self-study course for learning about the schnorr/taproot softfork proposal.
Oct 2, 2019
Field Report: Exchange operation using Bitcoin technologies at BTSE
A field report about how BTSE uses Bitcoin technologies to improve their exchange operations.
Aug 20, 2019
Announcing the Compatibility Matrix
Announcing a new compatibility matrix on the Bitcoin Optech website, providing documentation of different wallets' and services' support for scaling technologies.
Jun 14, 2019
Bitcoin Optech 2019 Executive Briefing
Videos and slides from the Bitcoin Optech Executive Briefing on May 14th, 2019.
Mar 19, 2019
Bech32 Sending Support
Copies of all published parts of our 24-part weekly series on bech32 sending support from March 19th to August 28th, 2019.
Feb 11, 2019
RBF in the Wild
A study of usability concerns among wallets and block explorers that support opt-in RBF (BIP125).
Dec 28, 2018
2018 Annual Report
Bitcoin Optech reviews our 2018 accomplishments and summarizes our plans for 2019.
Sep 4, 2018
Bitcoin Optech Dashboard
Introducing the Bitcoin Optech Dashboard, which contains live-updated statistics about consolidations, payment batching, RBF, segwit adoption, and more.
Jul 30, 2018
Field Report: Consolidation of 4 Million UTXOs at Xapo
A field report from Anthony Towns, a developer at Xapo, about how they consolidated around 4 million UTXOs to prepare for potential future fee increases.
Jul 20, 2018
Announcing Bitcoin Optech
Today we’re announcing our new project, Bitcoin Operations Technology Group (Optech). We want to help Bitcoin companies adopt the best scaling techniques and technologies available to make efficient use of the blockchain, and thereby help Bitcoin to scale to more users and use cases.