Bitcoin's epic 2017 bull run propelled many cryptocurrency startups into the stratosphere, but many of them have now crashed back down to earth. The bitcoin price, which rose from under $1,000 per bitcoin to almost $20,000 over the course of 2017, fell sharply last year before rebounding somewhat so far in 2019. Now, it's been revealed bitcoin and cryptocurrency investor darlings Coinbase, a San Francisco-based crypto exchange, and Ripple, the payments group behind the XRP cryptocurrency, have crashed out of a top 10 U.S. startups list for 2019–both dropping over 20 places. Coinbase, previously ranked third on the ... (full story)