GMX Breach: Hacker Returns $20 Million, Keeps 10% as Reward

Key Points

1. The hacker stole $40 million from GMX V1 and started returning the funds after accepting a 10% bounty offer.

2. Approximately $20 million has been returned, including Ethereum and FRAX stablecoins.

3. GMX publicly acknowledged the hacker's skills and offered a $5 million reward, allowing the hacker to keep 10% of the stolen amount if 90% was returned.

4. PeckShield confirmed the hacker's transactions, including returns of $9 million, $5.49 million, and $5 million.

5. GMX warned of legal action if the funds were not returned, while Venn Network researchers prevented another potential $10 million DeFi breach.