Circle security record
As of 7 Nov 2026, Circle has 7 audit reports by 2 security firms on Trustblock; the latest is by ChainSecurity, dated 9 Feb 2026. Those reports list no open critical findings.
Record last updated . It holds audits and findings, contracts and incidents up to Nov 2026. Trustblock does not review code.
Audits7
Newest first
1 other security report listed, not counted
| Report | Security firm | Date | Scope | Critical findings | Source |
|---|---|---|---|---|---|
| Circle xReserve Smart Contracts | Security firm: ChainSecurity | Date: | Scope: Files listed | None open | chainsecurity.com ↗ |
| Circle Gateway Smart Contracts | Security firm: ChainSecurity | Date: | Scope: Files listed | None open | chainsecurity.com ↗ |
| CCTP V2 Smart Contracts (inclusive of the Standard | Security firm: ChainSecurity | Date: | Scope: Not recorded; see the report | None open | chainsecurity.com ↗ |
| CCTP V2 Smart Contracts | Security firm: ChainSecurity | Date: | Scope: Files listed | None open | chainsecurity.com ↗ |
| Circle Perimeter | Security firm: ChainSecurity | Date: | Scope: Not recorded; see the report | 1 critical finding, fixed | chainsecurity.com ↗ |
| Cross Chain Transfer Protocol (CCTP) | Security firm: ChainSecurity | Date: | Scope: Not recorded; see the report | None open | chainsecurity.com ↗ |
| Aida Circle - Audit 1 | Security firm: CertiK | Date: | Scope: Files listed | None open | skynet.certik.com ↗ |
| Aida Circle - Pentest | Security firm: CertiK | Date: | Scope: Not recorded; see the report | None open | skynet.certik.com ↗ |
Findings68
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 1 |
| High | 0 | 0 | 5 |
| Medium | 1 | 0 | 7 |
| Low | 2 | 5 | 32 |
MediumEIP-4626 Non-ComplianceCircle Perimeter · ChainSecurity · 26 Sep 2023Open
The report gives no description here.
Open the reportLowInconsistent Natspec DescriptionsCross Chain Transfer Protocol (CCTP) · ChainSecurity · 6 Dec 2022Open
The report gives no description here.
Open the reportLowMissing Sanity ChecksCross Chain Transfer Protocol (CCTP) · ChainSecurity · 6 Dec 2022Open
The report gives no description here.
Open the reportContracts
No deployed address is recorded for these audits.
The reports name a repository or files. Open a report to see its scope.
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