Apple cofounder Steve Wozniak.

Apple co-founder Steve Wozniak admitted in a talk that he was scammed out of several bitcoins by a scammer using a common technique.

The Economic Times reports that Wozniak spoke at the newspaper's global business summit, and during his on-stage appearance he discussed cryptocurrency.

"The blockchain identifies who has bitcoins, Wozniak said, "that doesn't mean there can't be fraud though."

I had seven bitcoins stolen from me through fraud. Somebody bought them from me online through a credit card and they cancelled the credit card payment. It was that easy! And it was from a stolen credit card number so you can never get it back.
Steve Wozniak

Wozniak's seven missing bitcoins equate to around R860,000 in lost money. That likely won't be a concern for Wozniak, though, who is worth around R1.1 billion ($100 million), according to CNBC.

Wozniak said that he sold all but one of his bitcoins. "I didn't want to watch the price everyday … I sold all except one. It was enough to experiment," he said.

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