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- Warren Buffett took aim at bitcoin, calling the crypto intrinsically worthless.
- Investing in crypto is like "wanting to play a roulette wheel" the Berkshire Hathaway chair told CNBC.
- Crypto markets have been rallying, with bitcoin surging 65% in the past three months.
Warren Buffett called bitcoin a "gambling token" with zero value on Wednesday as the cryptocurrency traded near 10-month highs.
The Berkshire Hathaway chairman and CEO ratcheted up his fiery crypto commentary, describing investing in digital assets as akin to spending time at a casino.