As Bitcoin's first-mover momentum spreads the digital currency's adoption, the "proof of work" model it uses to confirm transactions is coming under scrutiny, providing an opportunity for alternative currencies to win favor.

Bitcoin and other digital currencies will get more attention from the U.S. Consumer Financial Protection Bureau after prodding from a congressional watchdog.

Intuit has added PayByCoin, a free extension for QuickBooks Online that allows business owners to accept Bitcoin.

Is misogynistic behavior keeping women out of the Bitcoin community?

In widely anticipated legislation on Bitcoin, Canada is regulating digital currency businesses under existing rules for money movement and California is updating its laws to legalize the use of alternative currencies.

Bitcoin has come a long way from its meager beginning in 2009, when one bitcoin was worth a fraction of a penny. As its price and popularity grows, the decentralized digital currency is racking up a pretty note-worthy list of celebrity endorsers.

The payment capabilities in the new Fire Phone are just the latest in a series of products that only Amazon could pull off. The e-commerce giant's offerings range from basic services to its own digital currency.

With more than 400 alternative cryptocurrencies in the market, it can be hard for point of sale providers and merchants to know which ones to accept. To determine which altcoins to support in its own point of sale system, Coinkite held a contest.

Potential bidders for one of the largest blocks of bitcoins ever sold said they are irked after the U.S. government accidentally outed their names in an e-mail.

Even though Bitcoin merchant processor BitPay is not required to maintain an anti-money laundering (AML) program, the startup maintains one and is beefing it up with the hiring of former Visa executive Tim Byun.

Licensed money services business AstroPay is launching Ripple LatAm, connecting the Latin American market with the digital currency payment provider Ripple Labs' network partners and gateways in North America, Europe and Asia.

Tax compliance provider Avalara has made many connections within the payments industry to respond to merchant demand for built-in tax reporting functions at the point of sale.

Expresscoin is launching a digital currency purchasing platform that the company says will offer the "personal customer service" that has been missing from the Bitcoin environment.

The two most popular Bitcoin services providers, Coinbase and BitPay, are neck-and-neck in signing up merchants to accept digital currency.

About 25,000 people around the world are being paid in Bitcoin on a regular basis by posting content on Women's Annex, a blogging platform predominantly focused on Afghanistan, and its parent site Film Annex.

Bitcoin entrepreneur Erik Voorhees will pay more than $50,000 to settle charges by the Securities and Exchange Commission that he failed to register a stock offering.

Apple Inc. changed its policy to let software developers include virtual-currency transactions in their applications, paving the way for new forms of money like bitcoin to appear on iPhones and iPads.

Xapo says its Bitcoin debit card will start rolling out by the end of June, and it will be accepted anywhere by using the rails of a card network, interchange fees included.

CrowdCurity is applying the core principle of Bitcoin—decentralization—to security by offering a crowdsourced marketplace of global security testers.

Dish Network Corp. subscribers will soon be able to pay their bills using bitcoin, the online virtual currency that's drawn scrutiny from regulators.