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Mint Authority Rug

A rug executed by minting new supply to dilute existing holders and then selling the newly created tokens. On-chain signature: a MintTo instruction appearing after launch with total supply increasing on Solscan. Preventable by verifying mint authority is null before entry.

See also
Tokenomics Mint Authority The SPL Token Program authority that can create new tokens. If set to null, supply is permanently fixed and the inflation rug vector is mechanically closed. Pump.fun and LetsBonk set mint authority to null by default at launch. → Security Freeze Authority Rug A rug executed by using an unrenounced freeze authority to selectively freeze large holder accounts before dumping. The developer blocks targeted holders from selling, then sells their own bag into the remaining buy pressure. Prevention is simple: verify freeze authority is null before entry. → Security 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. →
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