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  • Beware of using tx.origin to verify user

    Mar 30, 2022 · 3 min read · Phishing  ·
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    According to Solidity doc, msg.sender (address): sender of the message (current call) tx.origin (address): sender of the transaction (full call chain) tx.origin means the first account that initial transaction. However, the msg.sender is exactly the account that triggers the function. Example Let's take a look at …


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  • Selfdestruct: force another contract to receive your ethers.
  • Beware of using tx.origin to verify user
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Recent Posts

  • Selfdestruct: force another contract to receive your ethers.
  • Beware of using tx.origin to verify user
  • Don't use Blockhash as a source of randomness
  • Token URI of ERC1155
  • How to add Fantom Testnet

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