Fidelity Digital Assets, a new company created by the investing giant last year, is already working with wealthy families and hedge funds on cryptocurrency trading and custody.

Andrea Day reports on how cryptocurrency mining software could be used to hack into corporate networks.

Bitcoin is now down 20 percent this week, falling to its lowest level in more than a year.

Goldman Sachs is dropping its plan to open a trading desk for cryptocurrencies. Business Insider reports. It says the firm sees the regulatory environment as ambiguous.

Bitcoin is now sizing up to be what could be the biggest market bubble of all time.

The bitcoin craze could pose a real risk to the broader market next year, according to Deutsche Bank.

In a massive rebound from a 20 percent plunge last week, bitcoin surges to a record high above $11,700.

Stanford will teach its first comprehensive class on blockchain and cryptocurrencies in spring 2018.