Since 2012, investors have poured $407 million into Bitcoin startups, with three-quarters of that sum flowing into the cryptocurrency just this year, according to figures compiled by CoinDesk, a Bitcoin newsletter. But now at least one expert is expressing doubts that these investors will see much of a return—if any—on …

While governments and established payments networks around the world reckon with Bitcoin, the upstart digital currency has itself had to reckon this year with volatility that has seen its price plunge about 50% since its $700-plus January high. But in other respects, Bitcoin is riding high. One of the latest …

Revel Systems Inc. is the latest payments organization to support Bitcoin with the announcement Tuesday that consumers can use the digital currency with its iPad-based point-of-sale system. San Francisco-based Revel is working with Bitcoin wallet provider Coinbase to integrate acceptance. Revel added Bitcoin acceptance because of about 30 requests from …

Merchants are starting to accept the fast-rising digital currency, including big names like Overstock.com. But for now Bitcoin’s volatility and other issues may outweigh its advantages for merchants and acquirers. By Peter Lucas “In response to Bitcoin’s rise in popularity around the world, Zynga, with help from BitPay, is testing …

Apple Inc. removed from its vast mobile-applications market called the App Store the Blockchain mobile wallet for accessing the Bitcoin virtual currency, an action Blockchain claims will leave no native Bitcoin options for users of Apple’s iOS mobile devices such as the iPhone and iPad. Apple’s move quickly stirred protests …