Smart Contract Security, Blockchain Security, Blockchain Security Audit, Ethereum Security, Secure Development.
https://solidity-by-example.org/hacks/phishing-with-tx-origin/ (Internet) https://consensys.github.io/smart-contract-best-practices/development-recommendations/solidity-specific/tx-origin/ (Internet) https://ethereum.stackexchange.com/questions/196/how-do-i-make-my-dapp-serenity-proof/200#200