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@BlockchainCommons

Blockchain Commons, LLC — A “not-for-profit” benefit corporation

Blockchain Commons strengthens digital-asset management with independence, privacy, resilience, and openness.
README.md

Blockchain Commons

Blockchain Commons works with developer communities to design, build, and maintain secure & compassionate decentralized architectures & tools for responsible key management of digital assets & digital identity.

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  1. crypto-commons crypto-commons Public

    Gordian Reference Code & CLI Utilities

    38 17

  2. Gordian Gordian Public

    An entire architecture focused on user agency and security.

    Shell 120 26

  3. SmartCustody SmartCustody Public

    Overview of SmartCustody Topics, for Responsible Key Management

    44 9

  4. Gordian-Developer-Community Gordian-Developer-Community Public

    Discussions of Gordian principles, Gordian specifications, Gordian references, and making it all a reality.

    Swift 70 14

  5. Learning-Bitcoin-from-the-Command-Line Learning-Bitcoin-from-the-Command-Line Public

    A complete course for learning Bitcoin programming and usage from the command

    Jupyter Notebook 3.4k 817

  6. GordianSeedTool-iOS GordianSeedTool-iOS Public

    Cryptographic Seed Manager for iOS

    Swift 51 10

Repositories

Showing 10 of 194 repositories
  • bc-gordian-ide Public

    An interactive web application for experimenting with dCBOR encoding, Uniform Resources decoding, and Gordian Envelope visualization.

    BlockchainCommons/bc-gordian-ide's past year of commit activity
    Vue 0 0 0 0 Updated Sep 17, 2026
  • bc-gstp-ts Public

    Gordian Sealed Transaction Protocol (GSTP) is a secure, transport-agnostic communication method enabling encrypted and signed data exchange between multiple parties. Built upon the Gordian Envelope specification, GSTP supports various transport mediums - including HTTP, raw TCP/IP, air-gapped protocols using QR codes, and NFC cards

    BlockchainCommons/bc-gstp-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-xid-ts Public

    XIDs are unique 32-byte identifiers that represent any entities - real or abstract - such as a person, organization, or device. Generated from the SHA-256 hash of a specific public signing key known as the inception key, a XID provides a stable identity throughout its lifecycle, even as associated keys and permissions evolve.

    BlockchainCommons/bc-xid-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-provenance-mark-ts Public

    Provenance Marks provide a cryptographically-secured system for establishing and verifying the authenticity of works in an age of rampant AI-powered manipulation and plagiarism.

    BlockchainCommons/bc-provenance-mark-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-envelope-pattern-ts Public

    Provides a pattern matching language for querying and extracting data from Gordian Envelope structures. It extends the dCBOR pattern matching capabilities with envelope-specific patterns for subjects, predicates, objects, assertions, and wrapped envelopes.

    BlockchainCommons/bc-envelope-pattern-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-dcbor-pattern-ts Public

    Provides a powerful pattern matching language for querying and extracting data from dCBOR (Deterministic CBOR) structures. It supports value matching, structural patterns, and meta-patterns with named captures.

    BlockchainCommons/bc-dcbor-pattern-ts's past year of commit activity
    TypeScript 1 0 0 0 Updated Sep 17, 2026
  • bc-dcbor-parse-ts Public

    Provides tools for parsing and composing the CBOR diagnostic notation into dCBOR (Deterministic CBOR) data items.

    BlockchainCommons/bc-dcbor-parse-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-mur-ts Public

    A multipart Uniform Resource (UR) QR code generator. It produces single-frame and animated fountain-coded QR sequences - suitable for transmitting arbitrarily large UR-encoded payloads through an airgap - with an optional logo overlay.

    BlockchainCommons/bc-mur-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-envelope-ts Public

    Gordian Envelope is a structured format for hierarchical binary data focused on privacy. They are designed to facilitate "smart documents" with a number of unique features: Hierarchical structure, Merkle-like digest tree, Deterministic representation, Privacy-focused, Progressive trust

    BlockchainCommons/bc-envelope-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
  • bc-known-values-ts Public

    The registry of ontological predicates used in Gordian Envelope, encoded as compact integers instead of strings.

    BlockchainCommons/bc-known-values-ts's past year of commit activity
    JavaScript 1 0 0 0 Updated Sep 17, 2026
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People

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Sponsors

  • @henkvancann
  • @kanzure
  • @jlopp
  • @jesseposner
  • @Foundation-Devices
  • @trentmc
  • @gwillen
  • Private Sponsor
  • Private Sponsor
  • Private Sponsor