Sweep n Flip security record

Arbitrum, Base, Ethereum, Polygon (POS)sweepnflip.io

As of 21 Oct 2026, Sweep n Flip has 2 audit reports by 1 security firm on Trustblock; the latest is by Cantina, dated 16 Jan 2025. Those reports list 2 criticals acknowledged and not fixed.

Critical findings
2 criticals acknowledged, not fixed
Reported in “Sweep-n-flip Bridge” by Cantina, Jan 2025. The team acknowledged both. See the findings
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Record last updated . It holds audits and findings, contracts and incidents up to Oct 2026. Trustblock does not review code.

Audits2

Newest first

AuditSecurity firmDateScopeCritical findingsReport
sweep-n-flip-nft-ammSecurity firm: CantinaDate: Scope: Not recorded (see the report)No open critical findingsOpen · cantina.xyz
Sweep-n-flip BridgeSecurity firm: CantinaDate: Scope: Not recorded (see the report)2 criticals acknowledged, not fixedOpen · cantina.xyz

Findings48

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

SeverityOpenAcknowledgedFixed
Critical020
High003
Medium063
Low0259

Marked Gas Optimization or Informational by the firms. Not counted as findings.

Gas OptimizationAvoid unnecessary code on royalty fee calculationssweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalAvoid wrapping sqrt function in unchecked blocksweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalCode quality issues: function orderingsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalCode quality issues: naming conventionsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalCode quality issues: unused imports (or) codesweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalConsider inheritance of openzeppelin ERC20.sol contract on WERC721.solsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

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InformationalConsider using the ReentrancyGuard from OpenZeppelinsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalERC20 swaps are allowed on SwipNFlip pools without NFT retrievalsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Gas Optimizationfactory global state variable can be set as immutablesweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalImprove inline documentationsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalInconsistent uint type usage instead of uint256sweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalIncrease test coveragesweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Gas Optimizationinitialize function can be included on constructorsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalInverse delegated pair is not populatedsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Informationalname(), symbol() and tokenURI() are optional functions, per the ERC-721 standardsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Gas OptimizationOptimizations on WERC721.sol contractsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalPresence of commented-out functions in UniswapV2Router01Collectionsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Gas OptimizationSeveral optimizations on RoyaltyFeeHelper librarysweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalUncontrolled panics on mathematical operationssweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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InformationalUnderflow in mint() function if liquidity added is less than MINIMUM_LIQUIDITYsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

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Gas OptimizationUnused state variables discrete0 and discrete1 in UniswapV2Pair contractsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

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InformationalUsage of ecrecover in UniswapV2ERC20.solsweep-n-flip-nft-amm · Cantina · 16 Jan 2025Acknowledged

The report gives no description here.

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Contracts

No deployed address is recorded for these audits.

The reports name a repository or files. Open a report to see its scope.

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