OpenAI hits $500B valuation, surpassing SpaceX as world’s largest startup

Cointelegraph.com NewsTether is estimated to be the closest crypto company to rival OpenAI’s $500 billion valuation, far ahead of Coinbase, Ripple and Circle. 

​Tether is estimated to be the closest crypto company to rival OpenAI’s $500 billion valuation, far ahead of Coinbase, Ripple and Circle.