According to Ai 姨 (@ai_9684xtpa), experiencing a rug pull is considered an essential learning curve in PVP cryptocurrency trading. A rug pull is a type of scam in decentralized finance (DeFi) where developers abandon a project and run away with investors' funds. This highlights the importance of due diligence and risk management for traders in volatile markets. Source: Ai 姨 (@ai_9684xtpa)