According to Sina US stocks, before the annual meeting of Berkshire Hathaway, Buffett told reporters, "This is a gambling thing… There are a lot of fraud related to it. Bitcoin has no value." Buffett put This cryptocurrency is like a button on his jacket. However, he acknowledges that blockchain technology based on Bitcoin has certain prospects. Buffett said on Saturday (May 4th) that "the blockchain… is very good, but it doesn't need Bitcoin. JP Morgan Chase certainly introduced its own cryptocurrency." When asked if Buffett would invest in the blockchain, He said, "We may be involved indirectly, but I will not be the main leader of the blockchain."