Usual Protocol security record
As of 30 Oct 2026, Usual Protocol has 4 audit reports by 2 security firms on Trustblock; the latest is by Hexens, dated 3 Dec 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.
Audits4
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| Usual Usd0pp security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Usual Susd0 security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Usual Susd0 security review | Security firm: Hexens | Date: | Scope: Not recorded (see the report) | No open critical findings | Open · GitHub |
| Audit Report | Security firm: Paladin | Date: | Scope: 4 addresses on Arbitrum | No open critical findings | Open · paladinsec.co |
Findings12
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 0 |
| High | 0 | 2 | 0 |
| Medium | 0 | 0 | 1 |
| Low | 0 | 3 | 6 |
Marked Informational by the firms. Not counted as findings.
InformationalInconsistent Use of Modifiers in Mint FunctionsUsual Usd0pp security review · Hexens · 3 Dec 2025Acknowledged
The report gives no description here.
Open the reportInformationalMissing Bond-Start Check in _deconstruct() FunctionUsual Usd0pp security review · Hexens · 3 Dec 2025Acknowledged
The report gives no description here.
Open the reportInformationalpause() and totalBondTimes() Can Be Marked external Instead of publicUsual Usd0pp security review · Hexens · 3 Dec 2025Acknowledged
The report gives no description here.
Open the reportInformationalRedundant whenNotPaused Modifier Usage in Usd0PP ContractUsual Usd0pp security review · Hexens · 3 Dec 2025Acknowledged
The report gives no description here.
Open the reportInformationalUse SCALAR_ONE Instead of Hard-Coded 1e18Usual Usd0pp security review · Hexens · 3 Dec 2025Acknowledged
The report gives no description here.
Open the reportInformational_depositUSD0X() Should Include USDC Blacklist CheckUsual Susd0 security review · Hexens · 20 Nov 2025Acknowledged
The report gives no description here.
Open the reportInformationalminimumUsd0xPrice Should Reflect the USD0X–USDC Exchange RateUsual Susd0 security review · Hexens · 20 Nov 2025Acknowledged
The report gives no description here.
Open the reportInformationalRedundant check for startTime in the _startYieldDistribution functionUsual Susd0 security review · Hexens · 3 Nov 2025Acknowledged
The report gives no description here.
Open the reportInformationalRedundant Permit Call in unlockUSD0ppWithUsualWithPermitUsual Usd0pp security review · Hexens · 3 Dec 2025Fixed
The report gives no description here.
Open the reportInformationalRedundant Blacklist Check in _depositUSD0X FunctionUsual Susd0 security review · Hexens · 20 Nov 2025Fixed
The report gives no description here.
Open the reportShow 1 more
InformationalRevenueDistributionModule missing cap check for daily accruing yield rateUsual Susd0 security review · Hexens · 3 Nov 2025Fixed
The report gives no description here.
Open the reportContracts4
| Address | Chain | Source code |
|---|---|---|
| 0x35f1c5cb7fb977e669fd244c567da99d8a3a6850 | Chain: Arbitrum | Source code: Verified source |
| 0x7497537f62efd47acfff3d0942127650da40c167 | Chain: Arbitrum | Source code: Verified source |
| 0x2b65f9d2e4b84a2df6ff0525741b75d1276a9c2f | Chain: Arbitrum | Source code: Verified source |
| 0x1eacc08c0a4a059d1567a587ed9d0a52eac2a88f | Chain: Arbitrum | Source code: Verified source |
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