Coinbase is gearing up for a major expansion, following the leak of several screenshots that show off features the company has not yet officially announced. The leaked images reveal a prediction market tool, apparently powered by Kalshi, Inc., and a new stock-trading interface for buying common stocks and ETFs. Coinbase didn't deny the screenshots. Coinbase..The post Coinbase Prediction Market Feature Revealed in New Leak appeared first on 99Bitcoins.