---
name: union
summary: "Union is a trust-minimized, zero-knowledge interoperability protocol for general message passing, asset transfers, NFTs, and cross-chain communication between blockchains. It is built in Rust without relying on trusted third parties, oracles, or multisigs, instead using consensus verification and ZK proofs."
language: Rust
repo: https://github.com/unionlabs/union
source: https://opensources.dev/resource/union
health: 100
---

# union

Union is a trust-minimized, zero-knowledge interoperability protocol for general message passing, asset transfers, NFTs, and cross-chain communication between blockchains. It is built in Rust without relying on trusted third parties, oracles, or multisigs, instead using consensus verification and ZK proofs.

Union is a trust-minimized, zero-knowledge interoperability protocol for general message passing, asset transfers, NFTs, and cross-chain communication between blockchains. It is built in Rust without relying on trusted third parties, oracles, or multisigs, instead using consensus verification and ZK proofs.