zkLink, a trading-focused multi-chain L2 network with unified liquidity secured by ZK-Rollups.Introduction The current Layer2 solutions are basically of the following types: • Sidechain • Plasma and State Channels • Validium • Optimistic Rollups • Zero-knowledge Rollup zkLink innovatively applies zero-knowledge technology to multi-chain interoperability with a trustless and decentralized separation of powers design that safeguards the security of assets and trades as well as multi-chain data ...