Bypassing complex multiple gate controls in Solidity. Learn how to solve execution origin barriers, brute-force exact gas constraints, and master bitwise mask operations.
Reading packed storage slots and fixed-size arrays from the blockchain. Learn how the Solidity compiler packs state variables and how to cast data types to bypass access controls.
Exploiting state-manipulating interface implementations to bypass flow controls. Learn why relying on external untrusted contract state returns can break smart contract invariants.
Exploiting classic reentrancy vulnerabilities. Learn how state modification sequence and unchecked external calls can lead to total contract draining.