Earnm security record

Polygon (POS)earnm.com

As of 21 Oct 2026, Earnm has 1 audit report on Trustblock, by Cyfrin, dated 15 Aug 2024. That report lists no open critical 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.

Audits1

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AuditSecurity firmDateScopeCritical findingsReport
EARN’M DropBox Audit Report

Audit

Security firm: CyfrinDate: Scope: Not recorded (see the report)1 critical finding, fixedOpen · GitHub

Findings5

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

SeverityOpenAcknowledgedFixed
Critical001
High000
Medium002
Low011

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

InformationalAvoid floating pragma unless creating librariesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasBypass first for loop in DropBoxFractalProtocol::_determineTier when randomNumber >= TIER_1_MAX_BOXESEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasCache result of _getOneTimeCodeHash to prevent repeated identical calculation in DropBox::associateOneTimeCodeToAddressEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasCache storage variables when same values read multiple timesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasChange Box struct to use uint128 saves 1 storage slot per BoxEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasDelete fulfilled vrf request from vrfRequestIdToRequester in VRFHandler::fulfillRandomWordsEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasDon’t initialize to default valuesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasEnforce ascending order for boxIds to implement more efficient duplicate prevention in DropBox::claimDropBoxesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasInitialize DropBox::boxIdCounter to 1 avoiding default initialization toEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasOnly read and write once for storage locations boxIdCounter and mintedTierAmount in DropBox::_assignTierAndMintEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasOnly read and write storage location unclaimedTierAmount once per changed tier in DropBox::_assignTierAndMintEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasOnly read and write storage location unclaimedTierAmount once per changed tier in DropBox::claimDropBoxesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasPrefer assignment to named return variables and remove explicit return statementsEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasPrefer calldata to memory for external function parametersEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalRefactor duplicate fee sending code into one private functionEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove < 0 checks for unsigned variables since they can’t be negativeEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove amountToClaim > 0 check in DropBox::claimDropBoxes as previously reverted if amountToClaim == 0EARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove call to _requireCallerIsContractOwner from Drop- Box::setDefaultRoyalty and setTokenRoyalty since they already have the onlyOwner modifierEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove redundant balance > 0 check from Drop- Box::claimDropBoxesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove redundant check from VRFHandler::constructorEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove redundant tierId validity check from Drop- Box::claimDropBoxesEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasRemove second for loop in DropBox::claimDropBoxes and reduce 1 storage read per deleted boxEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalResolve discrepancy between expected randomNumber in DropBox::_assignTierAndMint and DropBoxFractalProtocol::_determineTierEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasSimplify checks to fail faster and remove negation operator on final boolean resultEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasUse a simplified and more efficient implementation for DropBoxFractalProtocol::_determineTierEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalUse constant TIER_IDS_LENGTH in constructor inputsEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasUse else if for sequential if statements to prevent subsequent checks when a previous check is trueEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalUse named imports instead of importing the entire namespaceEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalUse named mapping parametersEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasUse uint128 for revealFee and claimFee for more efficient storage packingEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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GasUse uint32 for more efficient storage packing when tracking minted and unclaimed tier box amountsEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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InformationalVRFHandler shouldn’t inherit from ConfirmedOwner since it inherits from VRFConsumerBaseV2Plus which already inherits from ConfirmedOwnerEARN’M DropBox Audit Report · Cyfrin · 15 Aug 2024Fixed

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