Mike Novogratz Explains Why Bitcoin (BTC) Is Failing as Safe Haven though Retail Market interest in bitcoin and cryptocurrency remains strong. Bitcoin and Cryptocurrency Exchanges OKEx DDoS Attacks and Bitfinex Exchange Goes Under Unscheduled Maintenance. SEC rejected an ETF application from New York-based asset management firm Wilshire Phoenix and options exchange NYSE Arca. Bitcoin and Oil Could Quickly Bounce Back Post-Coronavirus Due to Cheap Prices.