A pump and dump coordinates hype to inflate price, then sells into buyers.
Thin mid-caps and memecoins are frequent targets. Telegram signal groups are a common vector.
In research workflows, Pump and dump is usually interpreted with Rug pull, Memecoin, FOMO, and Liquidity rather than as a standalone signal. If a flow requires your seed phrase, unlimited approvals, or a brand-new contract with unlocked liquidity, treat it as hostile until proven otherwise.