Daniel Lee has been accepting Bitcoin at his family's seven retail stores in Fort Greene, Brooklyn since March 2013 by having customers send the digital currency to wallet addresses he manages.

Bitcoin exchange Mt. Gox said customers can take out cash "as normal" and it's working to resolve technical issues that prompted it to halt withdrawals of the digital currency.

The Russian government has outlawed the use of Bitcoin.

Every couple weeks a new group of mainstream merchants and payments providers begins accepting Bitcoin, the popular and often controversial digital currency.

Mt. Gox, one of the largest Bitcoin exchanges, has suspended Bitcoin withdrawals because of a technical issue, the company said in a Feb. 7 announcement.

Bitcoin's earliest adopters used to launch scathing criticism at the U.S. for being the first to regulate digital currency in 2012, but their ire seems to have cooled off.

Apple Inc. removed Blockchain, an application for iPhones used to send and receive bitcoins, from its App Store, the developer of the program said.

The central bank of Estonia, where Swedish banks dominate the lending market, urged consumers to steer clear of Bitcoin and similar virtual currencies, warning such software could prove to be little more than a "Ponzi scheme."

Amazon.com is developing a person-to-person payments system that would compete against the likes of PayPal, according to a job listing on the e-commerce company's website.

It's still unclear what New York's planned "BitLicense" actually is, but the New York Department of Financial Services says its license is meant to encourage Bitcoin businesses to operate and innovate in the state.

Charlie Shrem, the digital currency entrepreneur indicted on money laundering charges, has resigned as vice chairman of the Bitcoin Foundation.

New York's financial regulator today said that the state will propose regulations for oversight of virtual currencies such as Bitcoin this year.

Does Bitcoin require its own set of regulations, or can businesses that trade in the virtual currency and payment system be policed effectively under existing rules?

Authorities arrested the former CEO of a defunct Bitcoin exchange company on charges of conspiring to launder more than $1 million for users of the online drug market Silk Road.

A diverse group of entrepreneurs is trying to solve a riddle that may hold the key to Bitcoin and other digital currency moving into the mainstream: how to insure accounts.

Coinmkt, a digital currency exchange based in Los Angeles, has opened an account with E-Trade to allow users to deposit U.S. dollars into the exchange as wire transfers from U.S. bank accounts.

As with any new technology, mobile wallets must earn the trust of the consumers and merchants who would use them. Many mobile payment apps may attempt to beef up security with password and PIN protection, but a few have had their security scrutinized very publicly.

EBay Inc. has written a new policy on virtual currency sales, set to go into effect for U.K. customers in early February.

Digital currency startup Circle Internet Financial has expanded its high-profile lineup of leaders, appointing a Goldman Sachs director to its board of directors and naming veterans from American Express and Google to its advisory board.

Bitcoin is gaining legitimacy as an alternative to cash and card payments, but for all its popularity, the digital currency has many limitations. Here are a few.