Abstract: This report comprehensively reviews the classification, technical routes, representative projects, pros and cons of various solutions for the latest Ethereum Layer 2 scalability technology, and presents future prospects based on development trends.
Through in-depth analysis of Rollup (including Optimistic Rollup, ZK Rollup, and Unstoppable Rollup),
L2 solutions such as Validium, Plasma, State Channel, etc.
And mainstream projects like Arbitrum, Optimism, zkSync, Starknet, Linea, Scroll, Polygon zkEVM, Facet, etc.
System evaluation includes its architecture, security, performance, degree of decentralization, and ecological development.