https://www.cnbc.com/2018/05/07/warren-buffett-on-bitcoin-it-doesnt-produce-anything.html >Billionaire Warren Buffett took another swipe at bitcoin on Monday, explaining why he's shunning the cryptocurrency. >"The asset itself is creating nothing," the Berkshire Hathaway chairman and CEO said on CNBC's "Squawk Box" from Omaha, following Berkshire's annual shareholder meeting. "When you're buying nonproductive assets, all you're counting on is the next person is going to pay you more because they're even more excited about another next person coming along."