'Bitcoin Jesus' says investors should be ready in case bitcoin falls out of favor

Roger Ver, CEO of Bitcoin.com, said on CNBC's "Fast Money" that for years he's recommended investors not hold bitcoin on exchanges, which can be hacked.

But right now, he said, investors may want to keep their holdings on an exchange so they can easily transfer their funds into another digital coin in case bitcoin falls out of popularity.

Nicknamed "Bitcoin Jesus," Ver is a strong supporter of bitcoin cash, which split off from bitcoin on Aug. 1 as developers debated the best way to improve transaction efficiency.

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