Overview

• Engineers executed a chain reorganization to block 1,960,612, excluding transactions submitted between 02:23 and 04:36 UTC that must be resubmitted.
• Most RPC providers have returned to service, with remaining providers preparing required upgrades.
• The team said it will publish a detailed post‑mortem outlining the timeline, root cause, and mitigation steps.
• The disruption arrived less than a day after the Grinta v0.14.0 upgrade that introduced a three‑node Tendermint sequencer, pre‑confirmations, and a redesigned EIP‑1559‑style fee market.
• STRK fell about 5% during the incident, and coverage noted that comparable extended outages on Starknet have been rare, with the last occurring in April 2024.