World Chain Activates Karst Upgrade As Older OP Stack Nodes Risk Divergence

Trusted Editorial content, reviewed by leading industry experts and seasoned editors. Ad Disclosure TL;DR World Chain activated the Karst upgrade at 12:00 UTC on September 21. Node operators need op-geth v1.101701.0 or newer and op-node v1.16.9 or newer. End users do not need to take any action. World Chain has completed its Karst network upgrade, putting new OP Stack software requirements into effect for node operators. The activation was scheduled for 12:00 UTC on September 21 at Unix timestamp 1789992000. Older Nodes Can Fall Out Of Consensus The practical impact is concentrated on infrastructure operators. World Chain nodes need to run op-geth v1.101701.0 or newer alongside op-node v1.16.9 or newer. Operators that remain on incompatible older versions risk diverging from the upgraded network. That makes Karst a meaningful operational event even though ordinary wallet users will barely notice it. No token migration, wallet update or end-user transaction is required. OP Stack Upgrades Are Becoming Routine Infrastructure Work World Chain is built on the OP Stack, which means network operators inherit an increasingly mature release process around execution clients, rollup nodes and...