What is a Soft Rugpull vs a Hard Rugpull?

This article explains rugpull scams in decentralized finance, outlining hard rugpulls (e.g., malicious smart-contract backdoors, liquidity pool theft, lockups that prevent selling) and soft rugpulls (founders quietly exiting while maintaining a façade), illustrates real examples (SQUID, Polywhale), notes indicators to watch (anonymous teams, no liquidity locks, lack of audits), and recommends mitigations such as smart contract audits and KYC to reduce investor risk.