Concrete security assessment

Zellic19 Jun 2025Code version: not recorded (see the report)

Audit · firm’s term: security assessment

Zellic reviewed Concrete (Concrete security assessment) on 19 Jun 2025: 16 findings, 0 critical; 14 marked fixed, 2 acknowledged.

No open critical findings

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Findings16

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

Severity	Open	Acknowledged	Fixed
Critical	0	0	0
High	0	0	2
Medium	0	0	6
Low	0	2	6

Marked Informational by the firm. Not counted as findings.

InformationalStrategy rewards accrue after the share price has been calculatedAcknowledged

The report gives no description here.

InformationalConcreteMultiStrategy should inherit from ReentrancyGuardUpgradeable instead of ReentrancyGuardFixed

The report gives no description here.

InformationalIncorrect implementation of max functions in ConcreteMultiStrategyFixed

The report gives no description here.

InformationalIncorrect use of the function _getRewardTokens to initialize the rewardTokensFixed

The report gives no description here.

InformationalIncorrect withdrawable check in _withdrawStrategyFundsFixed

The report gives no description here.

InformationalInsufficient validation of _requestIdFixed

The report gives no description here.

InformationalThe BTCLinkedPriceFeed contract does not initialize the ownerFixed

The report gives no description here.

InformationalThe fees charged to the feeRecipient are inconsistent between functions deposit and mintFixed

The report gives no description here.

InformationalUnchecked return value in setParkingLotFixed

The report gives no description here.

Contracts in scope

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Part of Concrete’s security record

Concrete

Audits1 audit by 1 firmLast audit Jun 2025, by Zellic.

Critical findingsNo open critical findingsIn 1 report.

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Security firm

Zellic

28 projects reviewed · 31 reports · latest Apr 2026

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