Cryptocurrency Mystery: How Did $140 Million Disappear?

A Canadian cryptocurrency exchange says about $140 million in customers' holdings are stuck in an electronic vault because the company's founder died without sharing the password. Researchers don't think the story is that simple. Wall Street Journal cryptocurrency reporter Paul Vigna explains.

A Canadian cryptocurrency exchange says about $140 million in customers' holdings are stuck in an electronic vault because the company's founder died without sharing the password. Researchers don't think the story is that simple. Wall Street Journal cryptocurrency reporter Paul Vigna explains.

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