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Outage in Circle

CCTP attestations for Arc-Testnet is currently unavailable

Resolved Major
March 16, 2026 - Started 7 days ago - Lasted about 15 hours
Official incident page

Incident Report

Summary AI Generated

Circle's CCTP attestations for Arc Testnet became unavailable, preventing cross-chain token transfers on the testnet environment. The service outage lasted 14.6 hours while the team investigated the root cause. The CCTP attestations service was fully recovered and restored to normal operation.

The CCTP attestations for Arc Testnet is currently unavailable. We're currently investigating the root cause.

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Latest Updates ( sorted recent to last )
RESOLVED 6 days ago - at 03/16/2026 07:53PM

The CCTP attestations for Arc Testnet is now recovered.

INVESTIGATING 7 days ago - at 03/16/2026 05:20AM

The CCTP attestations for Arc Testnet is currently unavailable.
We're currently investigating the root cause.

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