December 21 news, Unichain released its phased roadmap for the mainnet and announced that the mainnet will go live in early 2025. The mainnet will support permissionless fault proofs from the first day of launch, ensuring that on-chain activities can be verified, further enhancing security and decentralization. The roadmap specifically includes: 1 Testnet Phase: The Sepolia testnet is currently open, and infrastructure providers are conducting tests; 2 Mainnet Launch: The mainnet is scheduled to activate permissionless fault proof functionality on January 6, 2025, and will fully open after functionality verification is completed; 3 Experimental Testnet: After the mainnet goes live, testing and development of new features will continue.