Damn Vulnerable Defi Challenge #11 Backdoor

This is the third video where I go over the new challenges added with the release of Damn Vulnerable Defi V2. Challenges are meant to be used to hone your skills as a bug hunter or security auditor in the decentralized finance space.
Here is a link to my code solutions for the challenges:
Timestamps:
WalletRegistry contract analysis: 0:57
Solution: 3:43
Running exploit and conclusion: 8:11

[marktrevino]

This video played automatically while I was doing chores and for the first couple minutes of listening to it, I thought it was the voice of Jesus Christ himself.