Major incident
Circle: USDC on ZKsync — Mainnet outage
Oct 31, 2026, 15:01 UTC
started
15:06 UTC
resolved
5 min
duration
Affected: Circle Mint - Payments & Transfers, 3rd Party Infrastructure & Systems
Current status of Circle: Partial outage — live Circle status
Timeline
- Oct 31, 2026, 15:01 UTCinvestigatingThe ZKsync Mainnet is currently experiencing a network outage affecting all ZKsync operations. Operations will be possible once the ZKsync network has been restored.
- Oct 31, 2026, 15:06 UTCresolvedThis incident has been resolved.
Updates as published by Circle (original).
Other services with incidents at the same time
This was part of a wider event: 119 services reported incidents within the hour.
- Discord 15:26 UTC · Issues establishing voice call
- Zenoti 14:55 UTC · Appointment Booking Issues – AMRS11
- Coinbase 14:38 UTC · Delayed Sends and Receives - Solana
- Dartmouth College 14:18 UTC · Butterfield Network Performance Issue
- Posit 14:06 UTC · shinyapps.io apps unreachable
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- November 2, 2026 USDC on edgeX — Mainnet outage
- October 29, 2026 USDC on Morph — Delayed mints and burns (technical difficulties)
- October 29, 2026 USDC on X Layer — Delayed mints and burns (technical difficulties)