Ronin’s Saigon Testnet Migrates to Ethereum Mainnet

Ronin Chain’s Saigon testnet is set to migrate to the Ethereum mainnet this Thursday, February 5, 2026. This transition marks Ronin’s return to Ethereum and its upgrade to a Layer 2 solution. A hard fork is scheduled at block height 45,528,550, occurring at 23:58:55 UTC. During this process, the testnet chain ID will be updated to 202601, while the mainnet chain ID will remain unchanged.