Wrapped Bitcoin (WBTC)

ChainSecurityFiles named in the report

Audit · firm’s term: security audit

ChainSecurity reviewed WBTC (Wrapped Bitcoin (WBTC)) on 11 Oct 2018: 8 findings, 0 critical; 4 marked fixed, 3 acknowledged, 1 open.

No open critical findings
Open the reportOpen WBTC’s security record

Report hosted on chainsecurity.com.

Trustblock does not review code.

Findings8

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

SeverityOpenAcknowledgedFixed
Critical000
High000
Medium012
Low122
MediumPausing is not completeFixed

The report gives no description here.

MediumRemoved Custodians may violate invariantsFixed

The report gives no description here.

LowHash collisions possible for RequestFixed

The report gives no description here.

LowStorage Leak in IndexedMapping.remove()Fixed

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 (12)

  • Members.sol
  • Controller.sol
  • WBTC.sol
  • ControllerInterface.sol
  • OwnableContract.sol
  • MembersInterface.sol
  • OwnableContractOwner.sol
  • IndexedMapping.sol
  • Factory.sol
  • Claimable.sol
  • kyberbtc.sol
  • HasNoEther.sol

Part of WBTC’s security record

WBTC
Audits2 audits by 1 firmLast audit Apr 2025, by ChainSecurity.
Critical findingsNo open critical findingsAcross 2 reports.
Open WBTC’s security record

Security firm

ChainSecurity

81 projects reviewed · 286 reports · latest Sep 2026

See ChainSecurity’s audits

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