Security Challenges
Put your Web3.0 security knowledge to the test with these hands-on challenges
Reentrancy Attack Simulation
Hard
Identify and exploit a reentrancy vulnerability in a simulated smart contract, then implement proper safeguards.
Smart Contracts
45 min
150 Points
+15 XP
Access Control Vulnerabilities
Medium
Discover and fix improper access control mechanisms in a decentralized application.
dApps
30 min
100 Points
+10 XP
Integer Overflow Challenge
Medium
Exploit integer overflow vulnerabilities in smart contract arithmetic operations.
Smart Contracts
25 min
100 Points
+10 XP
Front-Running Attack
Hard
Understand and simulate a front-running attack on a decentralized exchange.
DeFi
40 min
150 Points
+15 XP
Oracle Manipulation
Expert
Manipulate price oracle data to exploit a simulated lending protocol.
DeFi
60 min
200 Points
+20 XP