'The Wolf of Wall Street' Jordan Belfort thinks bitcoin is a fraud, echoing recent comments from JPMorgan (JPM) - Get Report CEO Jamie Dimon.

While Belfort sees a future for cryptocurrencies, he's concerned with the ability for hackers to steal one's bitcoin.

"I know people who have lost all their money like that," he said, adding that he would never buy bitcoin himself.

He expects a central bank to introduce a cryptocurrency of its own "and that's what will take hold."

Belfort is the author of the new book Way of the Wolf.

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