After Huge IPO, Coinbase Founder Suddenly One of World's RichestOn Wednesday, Brian Armstrong skyrocketed into billionaire land—way into billionaire land. The 38-year-old founder and CEO of Coinbase added about $16 billion to his worth when the company went public at a valuation of around $100 billion, CNN reports. Armstrong owns roughly 40 million shares, a 21% stake. (Per...
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