Flash Loan Attack + Business Logic Vulnerability: Platypus Finance Incident Analysis

In the early morning of February 17, 2023 Beijing time, Platypus Finance, a DeFi platform on Avalanche, suffered a flash loan attack, losing approximately $8.5 million. SharkTeam immediately conducted a technical analysis of this incident and summarized security prevention measures, hoping that future projects can learn from this and build a security defense line for the blockchain industry together.