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What Is a Pump and Dump? How Crypto Prices Get Manipulated

A pump and dump is a manipulation scheme in which promoters buy an asset, spread hype to push its price up, then sell their holdings to the buyers they attracted, causing the price to collapse.

Key takeaways

The pattern

A pump and dump has two phases. In the pump, a group accumulates a cheap asset quietly, then promotes it hard through social media, chat groups and fake endorsements, claiming it is about to take off. As buyers rush in, the price rises sharply. In the dump, the organisers sell their holdings into that demand, the price collapses and everyone who bought late is left holding something worth far less.

Why crypto is vulnerable

Many small tokens trade on thin markets, so a modest amount of buying moves the price a lot. Markets run around the clock, there is little oversight for tokens that trade only on decentralised venues, and information spreads through anonymous channels. Encyclopedic definitions describe pump and dump as a form of securities fraud in traditional markets, which is why it is illegal there; enforcement against crypto tokens varies.

Spotting it

Warning signs include a sudden surge in a little-known token with no news, countdown-style posts telling you when to buy, claims of insider knowledge and pressure to bring in friends. The FTC lists promised returns and promises of quick and easy money as red flags and says that only scammers guarantee profits.

What to do

Do not buy because a message tells you to. Check how long the token has traded, how much volume it has and who holds most of the supply. If the only reason to buy is that the price is rising, you are probably the exit liquidity for someone else. Decide your own limits in advance and never invest money you cannot afford to lose.

Example

A chat group announces a coin will be 'pumped' at 3 pm. Thousands buy at once and the price doubles in minutes. The organisers, who bought earlier at the low price, sell into the spike. By 3:20 the price is below where it started.

Put it into practice

Check the market behind a price

Scrypt Price shows trading volume and marks thin markets, so you can see when a price move rests on very little trading.

Explore Scrypt Price Get Scrypt for Android

Frequently asked questions

Is it illegal?

In traditional securities markets it is a form of fraud. How it applies to crypto depends on the asset and jurisdiction.

How is it different from a rug pull?

In a pump and dump the organisers sell their holdings after hyping the price. In a rug pull creators drain the liquidity or funds behind the token.

Can I profit from a pump?

You can try, but you are competing against insiders who know when it will end, and most latecomers lose money.

Related terms

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Written by the Scrypt Wallet team · Updated 2026-10-02. General education, not financial, tax or legal advice.