# What is zkLink？

By [far123.eth](https://paragraph.com/@far123) · 2023-03-04

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zkLink is a **trading-focused multi-chain L2 network** with **unified liquidity** secured by **ZK-Rollups**.

zkLink ecosystem connects various L1 chains and L2 networks that enables developers and traders to leverage unified liquidity from isolated chains with a secure and seamless user experience, contributing to a more accessible and efficient DeFi ecosystem for everyone.

zkLink innovatively applies [**zero-knowledge**](https://docs.zk.link/docs/Technology/Technology) technology to multi-chain interoperability with a trustless and decentralized [**separation of powers**](https://docs.zk.link/docs/Technology/About-Security) design that safeguards the security of assets and trades as well as multi-chain data transits. Moreover, zkLink eliminates the disparity among stablecoins from different blockchains and of different types, achieving multi-chain liquidity aggregation to form a massive stablecoin liquidity pool via a unique [**protocol-controlled-debt (PCD)**](https://docs.zk.link/docs/Technology/PCD) mechanism, delivering a capital efficient, cost-friendly, and easy-to-access infrastructure.

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*Originally published on [far123.eth](https://paragraph.com/@far123/what-is-zklink)*