Naum Lantsman was sure his cryptocurrency investments were making money. Every time he'd log on to the trading platform he was using, it looked like he was reaping windfall profits. But Lantsman, in fact, was one of a growing number of people who've fallen victim to cryptocurrency scams. "I heard, and I read, but somehow I thought that I am not going to be one of them," he said. Lantsman, 74, turned to cryptocurrency investments after the pandemic upended his life.