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Brian Armstrong is the chief executive of Coinbase Global, the largest cryptocurrency exchange in the United States.

A former Airbnb software engineer, Armstrong cofounded Coinbase in San Francisco in 2012 with former currency trader Fred Ehrsam.

Coinbase went public in a direct offering on Nasdaq on April 14, 2021, briefly reaching a market capitalization of $100 billion.

Armstrong owns about 19% of Coinbase's shares.

Cofounder Fred Ehrsam left the company in 2017 but still owns 6% and serves on the board of directors; he's also a billionaire.