The Rewarder Solution - Damn Vulnerable DeFi v4 (Foundry)

🎯 Damn Vulnerable DeFi v4 - The Rewarder Challenge Solution

Hey guys! In this video, I break down the Rewarder challenge — one of the trickiest ones in Damn Vulnerable DeFi v4. We'll dive deep into Merkle trees, bitmap exploits, and how a smart contract flaw lets us claim the same reward multiple times! 😈💸

👉 Full playlist + GitHub repo: https://github.com/RealJohnnyTime/dam...

🎓 Want to go pro? Check out my Smart Contract Hacking Course and join our Discord community: https://smartcontractshacking.com/

🔍 What you'll learn:
How Merkle-based token claims work
The exact logical flaw in claimRewards()
How to exploit the delayed bitmap update
A full step-by-step Foundry-based solution

This took me a week to fully understand — now you get it in one video.
Don't forget to use --gas-limit 9999999999999999 or the exploit won’t work!