Union
unionlabs/union
Union is a secure bridge connecting different blockchains, using zero-knowledge proofs to transfer assets and data without trusting third parties.
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
AI Summary
What This Project Does
Simply put, it builds roads between different cryptocurrency networks. Previously, moving assets from Ethereum to another chain was tricky and unsafe; Union provides a protocol for seamless data and security flow.
What Problems It Solves
Solves the risk of cross-chain hacks and reliance on centralized guarantors. It uses mathematical proofs instead of oracles or multisig wallets to ensure asset safety.
Who It's For
Ideal for blockchain developers, DeFi protocol builders, and crypto enthusiasts deeply concerned about fund security or cross-chain tech.
Typical Use Cases
1. Developers building cross-chain DeFi apps; 2. Operators setting up secure asset transfer channels; 3. Researchers studying ZK implementation.
Key Strengths & Highlights
The biggest highlight is "trust-minimized," relying on math not people. It supports Ethereum and Cosmos ecosystems with decentralized upgrades controlled by the community.
Getting Started Requirements
High barrier; requires blockchain dev knowledge. Needs Nix package manager, best run on Linux or macOS. Not for casual users wanting simple transfers.
Purpose
If you are building cross-chain apps or running nodes, this GitHub repo is core infrastructure. If you just want to swap tokens, use a DApp based on this protocol, not the code itself.
Category
Project Info
- Primary Language
- Rust
- Default Branch
- main
- License
- Apache-2.0
- Homepage
- https://union.build
- Created
- May 16, 2023
- Last Commit
- yesterday
- Last Push
- yesterday
- Indexed
- Apr 18, 2026