<< Dozens of trading groups are manipulating the price of cryptocurrencies on some of the largest online exchanges, generating at least $825 million in trading activity over the past six months - and hundreds of millions in losses for those caught on the wrong side, according to a Wall Street Journal analysis. >>
<< In a review of trading data and online communications among traders between January and the end of July, the Journal identified 175 "pump and dump" schemes involving 121 different digital coins, which show a sudden rise in price and an equally sudden fall minutes later. >>
Shane Shifflett, Paul Vigna. Some Traders Are Talking Up Cryptocurrencies, Then Dumping Them, Costing Others Millions. Aug. 5, 2018.
Pump and dump, così si manipolano le criptovalute. Aug. 6, 2018.