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Hard Rug

A rug pull executed by the developer directly withdrawing liquidity from the AMM pool. The liquidity disappears in a single block, the token price goes to zero, and there is nothing to trade against. Mechanically closed for Pump.fun-graduated tokens via automatic LP burn; still active on manually-deployed pools.

See also
Security Soft Rug A rug executed by the developer selling their pre-allocated supply into existing liquidity without touching the pool. Technically legal in most jurisdictions. Produces the 'death by a thousand cuts' chart — lower highs, lower lows, ATH formed early and never retested. The most common form of extraction. → Tokenomics LP Token A token representing a share of an AMM liquidity pool. Burning LP tokens permanently locks the pool, eliminating the hard rug attack vector. Pump.fun automatically burns LP tokens at graduation — this is the protocol default, not a developer virtue signal. → Security Bundle Dump A coordinated sell by multiple wallets funded from a common source, producing a chart pattern identical to a hard rug. Distinguishable from a hard rug only via Bubblemaps cluster analysis; the chart crash looks the same regardless. →
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