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Solidity

Solidity : Strict comparison with block.timestamp or now

Overview

Strict comparison with block.timestamp or now. Miners can affect block.timestamp for their benefits. Thus, one should not rely on the exact value of block.timestamp.

Vulnerability type by SmartDec classification: Timestamp manipulation.

MEDIUM

DerScanner Severity Score

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See also

Solidity

Solidity : Return value of transfer, transferFrom, or approve function of ERC-20 standard is always false.

Solidity

Solidity : Using approve function of the ERC-20 token standard

Solidity

Solidity : ERC-20 transfer should throw