Pump and dump are artificial increase or decrease in the price of a cryptocurrency, it is actually a fraudulent scheme for making a profit by deceiving. These fluctuations do not reflect the real price of assets and are artificially created for a group of people to get extra profits. And of course serious exchanges fight it.
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How Does "Pumping and Dumping" Work?
When you “pump and dump,” you pump breast milk from your breasts and throw it away rather than saving it for baby (usually dumping it down a drain). Some women mistakenly believe they must pump and dump to help remove alcohol from their breast milk after having a drink, but this is actually a myth. Alcohol leaves your breast milk just as it leaves your bloodstream. Pumping and dumping doesn’t “get rid of” the tainted milk — time does.