Jamie Dimon says bitcoin is the crypto of choice for 'sex traffickers, money launderers, ransomware'

Jamie Dimon, the CEO of JPMorgan Chase, is skeptical about cryptocurrencies, specifically bitcoin.

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• Jamie Dimon is still skeptical about bitcoin, which he said is a go-to for criminals.
• He has previously called cryptocurrencies useless, like "pet rocks."
• He noted that JPMorgan Chase is already utilizing blockchain technology.

Jamie Dimon isn't softening the tone of his criticisms of cryptocurrency.

Dimon, the CEO of JPMorgan Chase...