Hacker returns stolen funds from $40M GMX exploit

Key Points

1. The hacker exploited a design flaw in GMX v1, stealing $40 million in crypto by manipulating the value of GLP tokens.

2. The GMX team offered a $5 million white hat bounty to the hacker, who agreed to return the funds.

3. The hacker has returned approximately $9 million in Ether and $10.5 million in FRAX tokens to the GMX team so far.

4. The GMX team acknowledged the hacker's skills but threatened legal action if 90% of the stolen funds were not returned.

5. Blockchain security firm PeckShield flagged the onchain messages and transactions related to the fund return.