Warren Buffett Says Bitcoin 'Definitely Will Come to a Bad Ending'The Berkshire Hathaway CEO told CNBC the firm would never have a position in cryptocurrencies.

Berkshire HathawayCEO Warren Buffett said Wednesday that the firm had no interest in jumping on the cryptocurrency bandwagon.

"We don't own any; we're not short any," Buffett said in aninterview on CNBC. "We'll never have a position in them."

Of options trades that would profit from price declines, he added: "If I could buy a five-year put on every one of the cryptocurrencies, I'd be glad to do it but I would never short a dime's worth."

"What's going on definitely will come to a bad ending," he said.

Bitcoin, the cryptocurrency thatsurged 1,327 percent in 2017to become the largest, is off to a shaky start this year along withRipple's XRP, while ether, the second-largest, has risen toall-time highs.

Buffett's comments came a day after JPMorgan CEO Jamie Dimon said heregretted calling bitcoin a "fraud."

Buffett said Berkshire Hathaway remained focused on identifying good businesses and investing in them.

The conglomerate announced Wednesday that it wouldexpand its board of directorsto 14 members, adding Gregory Abel and Ajit Jain. Buffett and Charlie Munger, Berkshire Hathaway's vice chairman, will keep their positions on the board.

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