He earned 110 MILLION by attacking Mango Markets and publicly labeled it as "a legal trading tactic."

While most hackers try to hide afterward.
Avi Eisenberg did not.
That is what made the story so unique.
In 2022, Mango Markets suffered one of the most brutal exploits in DeFi history.
An operator manipulated the platform's token price using enormous leveraged positions.
Then borrowed against the artificially inflated collateral.
By the time the system detected what happened, over 100 MILLION had vanished.
The attacker publicly negotiated with the protocol afterward.
On-chain.
In front of everyone.
Avi later stated that the exploit was simply "a highly profitable operation."
No hacking.
No plundering.
Just capitalizing on poorly structured rules.
The argument sparked a huge debate across the entire crypto sector.
If the code allows something, is it a fair game?
Or exploiting a malfunction is still theft?
A single operation blurred the line between operator and hacker more than almost anything before.