What is Union (U)?

Deep Dive

1. Purpose & Value Proposition

Union exists to tackle a fundamental problem in crypto: isolated blockchains. Its mission is to become a universal interoperability layer, enabling seamless and secure communication between thousands of different chains. Unlike traditional bridges that often rely on small, hack-prone multisig wallets, Union's architecture is built for trustless verification. This positions it as critical infrastructure for a connected, multi-chain future, serving protocols, asset issuers, and users who need to move value and data across ecosystems without security compromises.

2. Technology & Architecture

The Union L1 is a zero-knowledge (zk) powered Proof-of-Stake blockchain. Its key innovation is combining consensus verification—checking the full validator set of connected chains—with zk-proofs. Zero-knowledge proofs allow one party to prove a statement is true without revealing the underlying data, enabling efficient and private verification of cross-chain messages. This design aims to provide sub-second finality, quantum-resistant security, and native support for various execution environments (EVMs, MoveVM, etc.), as seen in its integration with Base.

3. Tokenomics & Governance

The U token has a capped genesis supply of 10 billion. It powers three core functions: as gas for network operations like proof verification; for staking in the PoS system to earn rewards and secure the network; and for cross-chain governance. Tokenomics are designed for alignment, with nearly 60% of genesis supply directed toward community, ecosystem, and DAO initiatives. Inflation starts at 6% annually, decreasing over time to a long-term rate of 2%. A unique feature is planned cross-chain staking, allowing users to participate from connected chains like Ethereum without bridging assets.

Conclusion

Fundamentally, Union is an ambitious infrastructure project building a cryptographically secure "highway" to connect all blockchains, with its U token acting as the fuel, security deposit, and governance key for this system. As interoperability becomes increasingly vital, will Union's technical approach prove to be the robust standard the ecosystem needs?