zkSync DAI Bridge (not deployed)

ChainSecurity20 Mar 2023Files named in the report

Audit · firm’s term: code assessment

ChainSecurity reviewed Sky (zkSync DAI Bridge (not deployed)) on 20 Mar 2023: 7 findings, 1 critical; all marked fixed.

1 critical finding, fixed

Open the report Open Sky’s security record

Report hosted on chainsecurity.com.

Trustblock does not review code.

Findings7

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

Severity	Open	Acknowledged	Fixed
Critical	0	0	1
High	0	0	0
Medium	0	0	2
Low	0	0	4

CriticalOutdated InterfacesFixed

The report gives no description here.

MediumCritical Tests MissingFixed

The report gives no description here.

MediumRefund Recipient Is Not AliasedFixed

The report gives no description here.

LowInconsistent Use of InterfacesFixed

The report gives no description here.

LowLack of DocumentationFixed

The report gives no description here.

LowRemaining TODO in the Source CodeFixed

The report gives no description here.

LowUnused enumFixed

The report gives no description here.

Contracts in scope

No deployed address is recorded for this audit.

The report names a repository or files. Open the report to see its scope.

Repository and files the report names (6)

l1/L1DAITokenBridge.sol
l2/dai.sol
l1/L1GovernanceRelay.sol
l1/L1Escrow.sol
l2/L2GovernanceRelay.sol
l2/L2DAITokenBridge.sol

Part of Sky’s security record

Sky

Audits150 audits by 3 firmsLast audit Nov 2026, by ChainSecurity.

Critical findingsNo open critical findingsAcross the 150 reports, 2 critical findings were reported. Each is marked fixed by the firm that reported it.

Open Sky’s security record

Security firm

ChainSecurity

81 projects reviewed · 286 reports · latest Sep 2026

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