Common cryptocurrency scams investors should know
AARP
As the popularity of Bitcoin, XRP and Ethereum rise, scammers may take advantage of investors looking to buy, sell and "mine" cryptocurrencies. One problem is market manipulation. Large holders of a cryptocurrency, called “whales,” can bid up the price of, say, Bitcoin, drawing in new investors eager to get in on the action. As the currency rises, the whales take their profits and leave new investors with losses, according to University of Texas professor John Griffin and Fisher's Amin Shams.
February 21, 2020