Arbitrum security record

Arbitrum, Ethereumarbitrum.ioX

As of 24 Oct 2026, Arbitrum has 1 audit report on Trustblock, by Quantstamp, dated 4 Aug 2021. That report lists no open critical findings.

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Record last updated . It holds audits and findings, contracts and incidents up to Oct 2026. Trustblock does not review code.

Audits1

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AuditSecurity firmDateScopeCritical findingsReport
Arbitrum Token Bridge

Audit

Security firm: QuantstampDate: Scope: Files named in the reportNo open critical findingsOpen · certificate.quantstamp.com

Findings9

Statuses are the security firm’s own, from each report.

SeverityOpenAcknowledgedFixed
Critical000
High001
Medium001
Low142
LowUser May Lose Their Fund when Transferring Them From Layer1 to Layer2 with Insufficient Gas ProvidedArbitrum Token Bridge · Quantstamp · 4 Aug 2021Open

Although there is the Retryable Tickets mechanism to help retry transactions sent from layer1 to layer2 when the transaction does not succeed the first time. A user may still lose their funds when transferring them from layer1 to layer2 and insufficient gas is provided. Currently, there is no way the user can rescue those lost funds.

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Contracts

No deployed address is recorded for these audits.

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