Base incident

Base Mainnet Periodic Flashblocks Instability

Minor Resolved View vendor source →

Base experienced a minor incident on June 2, 2026 affecting Flashblocks, lasting 19d 18h. The incident has been resolved; the full update timeline is below.

Started
Jun 02, 2026, 10:32 PM UTC
Resolved
Jun 22, 2026, 04:35 PM UTC
Duration
19d 18h
Detected by Pingoru
Jun 02, 2026, 10:32 PM UTC

Affected components

Flashblocks

Update timeline

  1. investigating Jun 02, 2026, 10:32 PM UTC

    Our team is currently investigating degraded broadcasting of Flashblocks on Base mainnet. We believe TX inclusion in final blocks is not affected.

  2. resolved Jun 22, 2026, 04:35 PM UTC

    The instability has been addressed and resolved. Node operators who were affected are recommended to upgrade to v1.1.1 of base/base which contains stability improvements and bug fixes: https://github.com/base/base/releases/tag/v1.1.1