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Jan 25, 2025 · 2 min read · Mappings is used in almost every solidity code you come across, and understanding how it works can be tricky. This article tries to explain it in a simple way. Mapping works like a key-value store but, they don't store data in a sequential or graph...
Join discussionJan 20, 2025 · 2 min read · An unsafe casting vulnerability occurs when a smart contract incorrectly converts one data type to another, leading to unexpected behavior or security risks. What is Casting? Casting is when you convert a value of one data type into another. For exam...
Join discussionJan 20, 2025 · 2 min read · An integer overflow vulnerability happens when a number variable in Solidity exceeds its maximum value or goes below its minimum value, causing it to "wrap around" and behave unexpectedly. How It Works: In Solidity, integers have a fixed size (e.g.,...
Join discussionJan 18, 2025 · 2 min read · Denial of Service (DoS) vulnerability in smart contracts happens when an attacker prevents the contract from functioning as intended, stopping others from using it. This can lead to disruptions, financial losses, or locking up funds. How DoS Can Happ...
Join discussionJan 17, 2025 · 1 min read · A selfdestruct vulnerability happens when a smart contract allows unauthorized users to call its selfdestruct function, which can lead to serious consequences: How It Becomes a Vulnerability Unrestricted Access: If the selfdestruct function is not p...
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