Tezos Activates Tallinn on January 24, 2026, Its 20th Protocol Upgrade, 6s Blocks

Tezos activated the Tallinn protocol upgrade on January 24, 2026 at 16:06:56 UTC, at mainnet block #11,640,289. The change reduces layer 1 block time from 8 seconds to 6 seconds and delivers finality in about 12 seconds after two blocks, representing the network's 20th forkless upgrade through on-chain governance.