Swell security record
As of 30 Oct 2026, Swell has 10 audit reports by 6 security firms on Trustblock; the latest is by CODESPECT, dated 17 Apr 2025. Those reports list no open critical findings. It also holds 2 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.
Audits10
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| Swell - Repricing Oracle Update | Security firm: CODESPECT | Date: | Scope: 1 address on Ethereum | No open critical findings | Open · IPFS |
| Swell - Withdrawal Update | Security firm: CODESPECT | Date: | Scope: 1 address on Ethereum | No open critical findings | Open · IPFS |
| swBTC Smart Contracts | Security firm: ChainSecurity | Date: | Scope: Files named in the report | No open critical findings | Open · chainsecurity.com |
| Symbiotic-Aera Adapter | Security firm: ChainSecurity | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · chainsecurity.com |
| Swell L2 Pre Deposit security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Swell security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Swell Audit Report | Security firm: Cyfrin | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Swell security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Barracuda security review | Security firm: Sigma Prime | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Swell Network Addendum | Security firm: CertiK | Date: | Scope: Files named in the report | No open critical findings | Open · skynet.certik.com |
Findings42
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 0 |
| High | 0 | 1 | 1 |
| Medium | 0 | 0 | 6 |
| Low | 0 | 8 | 26 |
Marked Informational or Gas by the firms. Not counted as findings.
GasRefactor RepricingOracle::handleReprice, _assertRepricingSnapshotValidity and _repricingPeriodDeltasSwell Audit Report · Cyfrin · 23 Feb 2024Acknowledged
The report gives no description here.
Open the reportGasUse constant for unchanging deposit amountSwell Audit Report · Cyfrin · 23 Feb 2024Acknowledged
The report gives no description here.
Open the reportInformationalInconsistent TimekeepingBarracuda security review · Sigma Prime · 1 Feb 2024Acknowledged
The report gives no description here.
Open the reportInformationalDuplicated CodeswBTC Smart Contracts · ChainSecurity · 6 Sep 2024Fixed
The report gives no description here.
Open the reportInformationalMissing EventsSymbiotic-Aera Adapter · ChainSecurity · 6 Sep 2024Fixed
The report gives no description here.
Open the reportInformationalNon-indexed EventsswBTC Smart Contracts · ChainSecurity · 6 Sep 2024Fixed
The report gives no description here.
Open the reportInformationalTypo in Function NameswBTC Smart Contracts · ChainSecurity · 6 Sep 2024Fixed
The report gives no description here.
Open the reportInformationalZero Address Will Lead to a Self DoSSymbiotic-Aera Adapter · ChainSecurity · 6 Sep 2024Fixed
The report gives no description here.
Open the reportInformationalAccounting optimisation through uncheckedSwell L2 Pre Deposit security review · Hexens · 3 Apr 2024Fixed
The report gives no description here.
Open the reportInformationalImplementation contract importsSwell L2 Pre Deposit security review · Hexens · 3 Apr 2024Fixed
The report gives no description here.
Open the reportShow 10 more
InformationalMissing input validation in Zap contractSwell L2 Pre Deposit security review · Hexens · 3 Apr 2024Fixed
The report gives no description here.
Open the reportInformationalWithdraw missing insufficient balance checkSwell L2 Pre Deposit security review · Hexens · 3 Apr 2024Fixed
The report gives no description here.
Open the reportInformationalCustom errorSwell security review · Hexens · 12 Mar 2024Fixed
The report gives no description here.
Open the reportInformationalGas improvements for arithmetic operationsSwell security review · Hexens · 12 Mar 2024Fixed
The report gives no description here.
Open the reportGasCache array length outside of loops and consider unchecked loop incrementingSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportGasCache storage variables in memory when read multiple times without being changedSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalEmit ETHSent event when sending ethSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalMissing events in NodeOperatorRegistry update methodsSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportGasNodeOperatorRegistry::_parsePubKeyToString: Use shift operations rather than division/multiplication when dividend/factor is a power of 2Swell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalRefactor identical code in NodeOperatorRegistry::getNextValidatorDetailsSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportShow 8 more
GasRemove redundant pause checksSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalUse Checks-Effects-Interactions pattern in swEXIT::createWithdrawRequestSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportGasUse totalReserves - rewardsInETH.unwrap() rather than _pre- RewardETHReserves - rewardsInETH.unwrap() + _newETHRewards in swETH::repriceSwell Audit Report · Cyfrin · 23 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalRedundant declaration of custom errorsSwell security review · Hexens · 12 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalRedundant whitelist check in deposit functionsSwell security review · Hexens · 12 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalBOT role to RepricingOracle contractBarracuda security review · Sigma Prime · 1 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalMiscellaneous General CommentsBarracuda security review · Sigma Prime · 1 Feb 2024Fixed
The report gives no description here.
Open the reportInformationalUnsafe transferFrom() FunctionBarracuda security review · Sigma Prime · 1 Feb 2024Fixed
The report gives no description here.
Open the reportContracts2
| Address | Chain | Source code |
|---|---|---|
| 0xc94cffd5249df4008a043ee61e13f19af16d0936 | Chain: Ethereum | Source code: Verified source |
| 0xd5a73c748449a45cc7d9f21c7ed3ab9eb3d2e959 | Chain: Ethereum | Source code: Verified source |
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