LayerZero security record
As of 30 Oct 2026, LayerZero has 21 audit reports by 7 security firms on Trustblock; the latest is by Zellic, dated 19 May 2025. Those reports list no open critical findings. It also holds 4 deployed contracts on 1 chain.
Record last updated . It holds audits and findings, contracts and incidents up to Oct 2026. Trustblock does not review code.
Audits21
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| LayerZero TON OFT security assessment | Security firm: Zellic | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZero USDT TON security assessment | Security firm: Zellic | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZero security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Layerzero Zro Claim Contract security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZeroZROClaim security review | Security firm: Pashov Audit Group | Date: | Scope: Not recorded (see the report) | 2 critical findings, fixed | Open · GitHub |
| LayerZero security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Mintable OFT | Security firm: Paladin | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
| LayerZero security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZero security review | Security firm: Pashov Audit Group | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZero DVN security assessment | Security firm: Zellic | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| OFT/OApp | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| Audit Report (MessageLib) | Security firm: Paladin | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
| LayerZero (V2) | Security firm: Paladin | Date: | Scope: 4 addresses on Ethereum | No open critical findings | Open · IPFS |
| Audit Report (Verifier Network) | Security firm: Paladin | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
| LayerZero OFT Wrapper Audit (January 19th 2023) se | Security firm: Zellic | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Layerzero Solidity Examples 2 | Security firm: Ackee Blockchain Security | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Layerzero Solidity Examples | Security firm: Ackee Blockchain Security | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Layerzero 2 | Security firm: Ackee Blockchain Security | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| LayerZero | Security firm: Zokyo | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · IPFS |
| Layerzero | Security firm: Ackee Blockchain Security | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Layerzero Prooflib | Security firm: Ackee Blockchain Security | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
Findings133
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 2 |
| High | 0 | 2 | 9 |
| Medium | 13 | 11 | 9 |
| Low | 13 | 21 | 53 |
HighOracle & Relayer conspiracyLayerzero · Ackee Blockchain Security · 15 Mar 2022Acknowledged
The report gives no description here.
Open the reportHighUnsigned integer underflowLayerzero Prooflib · Ackee Blockchain Security · 11 Mar 2022Acknowledged
The report gives no description here.
Open the reportMediumInaccurate USD valuation in ClaimCore contractLayerzero Zro Claim Contract security review · Hexens · 18 Jun 2024Acknowledged
The report gives no description here.
Open the reportMediumIncorrect use of _nativePrice in contract ClaimCoreLayerzero Zro Claim Contract security review · Hexens · 18 Jun 2024Acknowledged
The report gives no description here.
Open the reportMediumNative currency prices will become staleLayerzero Zro Claim Contract security review · Hexens · 18 Jun 2024Acknowledged
The report gives no description here.
Open the reportMediumProtocol assumes 1 Stable = 1 USDLayerZeroZROClaim security review · Pashov Audit Group · 15 Jun 2024Acknowledged
The report gives no description here.
Open the reportMediumFunds can be stuck because the limits are not synchronized and can be changed after a user txLayerZero security review · Hexens · 23 May 2024Acknowledged
The report gives no description here.
Open the reportMediumInsecure initialization functionsLayerZero security review · Pashov Audit Group · 15 May 2024Acknowledged
The report gives no description here.
Open the reportMediumBroken Integration With Special ERC20 TokensOFT/OApp · ChainSecurity · 30 Jan 2024Acknowledged
The report gives no description here.
Open the reportMediumConfigurational mismatch can cause messages to never get deliveredAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportShow 10 more
MediumDecentralization flaw: Contract owner can fully brick all outbound messages of all applications using the library by setting a bad treasury or layerZeroTokenAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportMediumVerifier options might get assigned to wrong verifiers if the verifier list is re-configured while messages are in-flightAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportMediumCondition bypassLayerzero 2 · Ackee Blockchain Security · 11 May 2022Acknowledged
The report gives no description here.
Open the reportLowPartial claims are unsupportedLayerzero Zro Claim Contract security review · Hexens · 18 Jun 2024Acknowledged
The report gives no description here.
Open the reportLowPrecision loss in requiredDonation()LayerZeroZROClaim security review · Pashov Audit Group · 15 Jun 2024Acknowledged
The report gives no description here.
Open the reportLowUntitled findingMintable OFT · Paladin · 6 Jun 2024Acknowledged
The report gives no description here.
Open the reportLowUntitled findingMintable OFT · Paladin · 6 Jun 2024Acknowledged
The report gives no description here.
Open the reportLowInsecure Authority Transfer FunctionalityLayerZero security review · Pashov Audit Group · 15 May 2024Acknowledged
The report gives no description here.
Open the reportLowMissing Events on Setter FunctionsLayerZero security review · Pashov Audit Group · 15 May 2024Acknowledged
The report gives no description here.
Open the reportLowScalability Challenges in Cross-Chain CommunicationLayerZero security review · Pashov Audit Group · 15 May 2024Acknowledged
The report gives no description here.
Open the reportShow 10 more
LowMissing Event for New DelegateeOFT/OApp · ChainSecurity · 30 Jan 2024Acknowledged
The report gives no description here.
Open the reportLowUnsafe Casting in _toSDOFT/OApp · ChainSecurity · 30 Jan 2024Acknowledged
The report gives no description here.
Open the reportLowUpdate of lzTokenOFT/OApp · ChainSecurity · 30 Jan 2024Acknowledged
The report gives no description here.
Open the reportLowAvailability flaw: A single optional verifier can brick all sending for an application, even if it is not a mandatory verifierAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowGas optimizationAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowLack of on-chain incentive for executionAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowMessage lib lacks direct on-chain incentive for executors and verifiers to actually do their part, as the fee is collected at the source chain when a transaction is sent outAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowTypographical issueAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowTypographical issuesAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportLowTypographical issuesAudit Report (MessageLib) · Paladin · 15 Dec 2023Acknowledged
The report gives no description here.
Open the reportShow 4 more
LowGas optimizationAudit Report (Verifier Network) · Paladin · 26 Aug 2023Acknowledged
The report gives no description here.
Open the reportLowGas optimizationAudit Report (Verifier Network) · Paladin · 26 Aug 2023Acknowledged
The report gives no description here.
Open the reportLowGas optimizationsAudit Report (Verifier Network) · Paladin · 26 Aug 2023Acknowledged
The report gives no description here.
Open the reportLowTypographical issuesAudit Report (Verifier Network) · Paladin · 26 Aug 2023Acknowledged
The report gives no description here.
Open the reportContracts4
| Address | Chain | Source code |
|---|---|---|
| 0xef02bacd67c0ab45510927749009f6b9ffce0631 | Chain: Ethereum | Source code: Verified source |
| 0x148f693af10ddfae81cddb36f4c93b31a90076e1 | Chain: Ethereum | Source code: Verified source |
| 0xd07c30af3ff30d96bdc9c6044958230eb797ddbf | Chain: Ethereum | Source code: Verified source |
| 0x1a44076050125825900e736c501f859c50fe728c | Chain: Ethereum | Source code: Verified source |
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