A scam where developers abandon a project and steal investor funds — typically by draining the liquidity pool.
A rug pull is a crypto scam where project creators build hype, attract investors, and then suddenly drain the project's liquidity or funds and disappear. The most common type involves a developer creating a token, adding it to a DEX liquidity pool, waiting for others to buy in, then removing all the liquidity — crashing the token to zero while pocketing the paired asset (usually ETH or SOL). Rug pulls range from fast (liquidity removed within hours of launch) to slow (team gradually sells tokens while maintaining appearances). Red flags include: anonymous teams with no track record, unaudited contracts, locked liquidity that can be unlocked early, unrealistic promises, and concentrated token ownership. The term comes from the expression 'pulling the rug out from under someone.' While some rug pulls are clear-cut fraud, others exist in a gray area where projects simply fail and teams give up.
A rug pull occurs when cryptocurrency developers abandon a project and steal investor funds — either by draining liquidity from a DEX pool, exploiting contract backdoors, or simply disappearing with raised capital. The term comes from 'pulling the rug out' from under investors' feet. Rug pulls are among the most common crypto scams, particularly on unregulated DEXs where anyone can launch a token. Warning signs include: anonymous teams with no verifiable track record, unaudited smart contracts with owner privileges (like minting unlimited tokens or disabling selling), unrealistic yield or return promises, aggressive social media marketing without technical substance, and locked liquidity that can be unlocked by the team. DeFi safety tools (TokenSniffer, RugDoc, GoPlus) analyze contracts for red flags before you invest. Despite awareness, rug pulls continue to cost billions annually — the combination of greed, FOMO, and technical complexity makes crypto users perpetually vulnerable.
The Squid Game token (SQUID) surged 75,000% in days in October 2021, then crashed to near-zero in minutes when the anonymous developers drained $3.3 million in liquidity — a textbook rug pull that exploited the show's popularity.
Check contracts on TokenSniffer or GoPlus before buying. Look for: locked liquidity (burned LP tokens), renounced contract ownership, audits from reputable firms, and verifiable team identities. Avoid tokens with no locked liquidity, anonymous teams, and contracts where the owner can mint or modify sell taxes. If a project promises unrealistic returns, it's likely a scam.