How the Wrong Visibility Modifiers Can Lead to Security Breaches in a Solidity Smart Contract

December 15, 20250 Comment

Smart contracts are small, immutable pieces of code that run on the Ethereum blockchain. Once deployed, they cannot be updated. You cannot patch a bug or fix a security flaw later. That’s why checking for smart contract vulnerabilities before Ethereum contract deployment is crucial. A common mistake developers make is using the wrong visibility modifiers. […]