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README.md

Hyperledger FireFly

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Hyperledger FireFly

Hyperledger FireFly is the first open source Supernode: a complete stack for enterprises to build and scale secure Web3 applications.

The FireFly API for digital assets, data flows, and blockchain transactions makes it radically faster to build production-ready apps on popular chains and protocols.

ENGLISH | 简体中文

Start using Hyperledger FireFly

The best place to learn about FireFly is in the documentation.

There you will find our Getting Started Guide, which will get you a running FireFly network of Supernodes on your local machine in a few minutes.

Your development environment will come with:

FireFly CLI FireFly Explorer UI FireFly Sandbox
CLI UI Sandbox

Engage with the community

  • Join us on Discord
  • Join our community calls

Technical architecture

Hyperledger FireFly has a pluggable microservices architecture. Everything is pluggable, from the Blockchain technology, token ERC standards, and custom smart contracts, all the way to the event distribution layer and private database.

So if there aren't yet instructions for making FireFly a Supernode for your favorite blockchain technology - don't worry. There is almost certainly a straightforward path to plugging it in that will save you from re-building all the plumbing for your blockchain application from scratch.

Hyperledger FireFly Architecture Overview

Start contributing to Hyperledger FireFly

There are lots of places you can contribute, regardless of whether your skills are front-end, backend-end, or full-stack.

Check out our Contributor Guide, and welcome!.

Other repos

You are currently in the "core" repository, which is written in Go and hosts the API Server and central orchestration engine. Here you will find plugin interfaces to microservice connectors written in a variety of languages like TypeScript and Java, as well as heavy-lifting runtime components.

Other repositories you might be interested in containing those microservice components, user experiences, CLIs and samples.

Note that only open source repositories and plugins are listed below

Blockchain connectivity

  • Transaction Manager - https://github.com/hyperledger-firefly/transaction-manager
  • RLP & ABI encoding, KeystoreV3 utilities and secp256k1 signer runtime - https://github.com/hyperledger-firefly/signer
  • FFCAPI reference connector for EVM Chains - https://github.com/hyperledger-firefly/evmconnect
    • Public EVM compatible chains: Learn more in the documentation
  • Permissioned Ethereum connector - https://github.com/hyperledger-firefly/ethconnect
    • Private/permissioned: Hyperledger Besu / Quorum
  • Hyperledger Fabric connector - https://github.com/hyperledger-firefly/fabconnect
  • Tezos connector - https://github.com/hyperledger-firefly/tezosconnect
  • Cardano connector - https://github.com/hyperledger-firefly/cardano
  • Corda connector starter: https://github.com/hyperledger-firefly/cordaconnect
    • CorDapp specific customization is required

Token standards

  • Tokens ERC20/ERC721 - https://github.com/hyperledger-firefly/tokens-erc20-erc721
  • Tokens ERC1155 - https://github.com/hyperledger-firefly/tokens-erc1155

Private data bus connectivity

  • HTTPS Data Exchange - https://github.com/hyperledger-firefly/dataexchange-https

Developer ecosystem

  • Command Line Interface (CLI) - https://github.com/hyperledger-firefly/cli
  • Explorer UI - https://github.com/hyperledger-firefly/ui
  • Node.js SDK - https://github.com/hyperledger-firefly/sdk-nodejs
  • Sandbox / Exerciser - https://github.com/hyperledger-firefly/sandbox
  • Samples - https://github.com/hyperledger-firefly/samples
  • FireFly Performance CLI: https://github.com/hyperledger-firefly/perf-cli
  • Helm Charts for Deploying to Kubernetes: https://github.com/hyperledger-firefly/helm-charts

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  2. ethconnect ethconnect Public

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  6. transaction-manager transaction-manager Public

    Blockchain transaction manager for Hyperledger FireFly. Integrates public blockchains through a pluggable FireFly Connector API framework. Extensible policy engine for managing gas & resubmission. …

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Repositories

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Showing 10 of 24 repositories
  • evmconnect Public

    Firefly EVM Connect

    hyperledger-firefly/evmconnect's past year of commit activity
    Go 18 Apache-2.0 20 10 (4 issues need help) 2 Updated Nov 12, 2026
  • transaction-manager Public

    Blockchain transaction manager for Hyperledger FireFly. Integrates public blockchains through a pluggable FireFly Connector API framework. Extensible policy engine for managing gas & resubmission. Confirmation manager for managing finality on both transactions and event streams.

    hyperledger-firefly/transaction-manager's past year of commit activity
    Go 33 Apache-2.0 18 4 (2 issues need help) 0 Updated Nov 12, 2026
  • cardano Public

    Services and libraries used to integrate Hyperledger FireFly and Cardano

    hyperledger-firefly/cardano's past year of commit activity
    Rust 6 Apache-2.0 4 1 2 Updated Nov 11, 2026
  • samples Public

    Samples for FireFly

    hyperledger-firefly/samples's past year of commit activity
    TypeScript 25 Apache-2.0 24 9 (6 issues need help) 9 Updated Nov 11, 2026
  • tezosconnect Public

    Firefly Tezos Connect

    hyperledger-firefly/tezosconnect's past year of commit activity
    Go 5 Apache-2.0 8 0 4 Updated Nov 6, 2026
  • common Public

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    hyperledger-firefly/common's past year of commit activity
    Go 5 Apache-2.0 16 7 5 Updated Oct 28, 2026
  • perf-cli Public
    hyperledger-firefly/perf-cli's past year of commit activity
    Go 5 Apache-2.0 12 0 6 Updated Oct 26, 2026
  • signer Public

    Signing, Keystore, ABI and RLP encoding utilities for EVM / Ethereum / secp256k1 based blockchains. Written in Go with an enterprise friendly Apache 2.0 license, and a runtime JSON/RPC proxy server. Part of the Hyperledger FireFly project

    hyperledger-firefly/signer's past year of commit activity
    Go 16 Apache-2.0 19 4 4 Updated Oct 24, 2026
  • firefly Public

    Hyperledger FireFly is the first open source Supernode: a complete stack for enterprises to build and scale secure Web3 applications. The FireFly API for digital assets, data flows, and blockchain transactions makes it radically faster to build production-ready apps on popular chains and protocols.

    hyperledger-firefly/firefly's past year of commit activity
    Go 604 Apache-2.0 254 121 (7 issues need help) 16 Updated Oct 24, 2026
  • sdk-nodejs Public

    FireFly SDK for Node.js

    hyperledger-firefly/sdk-nodejs's past year of commit activity
    TypeScript 16 Apache-2.0 9 3 8 Updated Sep 22, 2026
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