BitDevs is a community for people who want to discuss and participate in the research and development of Bitcoin and related protocols, best known for its regular Socratic Seminars. Meetings are hosted in cities worldwide with New York City as the longest-running chapter.
Source: Official website. Last checked 2026-09-18. Spot an error? Tell us.
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The 10x Security Bitcoin Guide walks a non-coding but tech-savvy audience through setting up bitcoin storage with no single point of failure using multisig. Its premise is that a fault-tolerant setup lets you survive one or more catastrophic mistakes that would be fatal in a single-key system.
Base58 is a bitcoin protocol school offering online and in-person courses that run from beginner fundamentals to application development and advanced research topics. Tracks cover wire protocols, transaction construction and developer basics.
Bitcoin Core is the reference implementation of the Bitcoin protocol, and its site hosts release notes, security advisories, RPC documentation for every recent version and contributor guidance. It is the primary source for anyone running or building on their own full node.
The Bitcoin Core PR Review Club is a monthly club that reviews Bitcoin Core pull requests in a public IRC channel on the first Wednesday and Thursday of each month. It exists to help newer contributors learn the Bitcoin Core codebase and review process, and past meeting notes are archived on the site.
The Bitcoin Design Guide is an open-source resource for people building bitcoin products, with reference designs covering savings wallets, backup and recovery, inheritance wallets, shared wallets and time-based recovery. It documents common user flows, bitcoin backup approaches and accessibility considerations.
Bitcoin Optech publishes a weekly newsletter, podcast, topic pages and case studies that track changes to Bitcoin Core, wallets, services and the wider protocol. It exists to help bitcoin businesses and engineers adopt scaling and efficiency techniques.