Bitcoin wildness highlights worries as futures trading nears
Bitcoin wildness highlights worries as futures trading nears On Coinbase’s GDAX exchange, bitcoing prices zoomed up to almost $20,000 from $16,000 in only about 90 minutes—then crashed back down Bitcoin, the largest digital currency, is still up more than 16-fold this year. Photo: Reuters Chicago/New York: Bitcoin’s poised to go legit. Is it really ready? Three days before Cboe Global Markets Inc., one of the world’s biggest regulated exchanges, debuts futures on the cryptocurrency, it had one of its wildest sessions ever. On Coinbase Inc.’s GDAX exchange, prices zoomed up to almost $20,000 from $16,000 in only about 90 minutes—then crashed back down. The largest digital currency is still up more than 16-fold this year. Coinbase, one of the largest US online exchanges used by investors, temporarily crashed and continued to suffer from service delays. Trezor, a wallet service, tweeted that it’s having “minor issues” with its servers, while Bitfinex, the largest bitc...