The tech industry has been saying for years that smartphones would make traditional wallets obsolete. But most people still use cash or plastic when they shop in stores.
Samsung Electronics on Wednesday announced a deal to buy LoopPay, a young digital wallet firm challenging Apple Pay at retailer checkout terminals.
Online retailer Overstock.com has installed a bitcoin ATM at its corporate headquarters in Salt Lake City.
Apple wants the plastic credit card to become as rare as the paper check.
San Francisco-based Coinbase is taking its Bitcoin wallet to Europe with an aim of enticing more people there to use the digital currency.
Apple is betting that people want to pay with a tap of the phone rather than a swipe of the card.
Malicious software is increasingly making its way into mobile phones through "cloned" versions of popular apps, and software weaknesses in legitimate ones, security researchers said Tuesday.
A US financial regulator warned consumers Tuesday that using the online currency Bitcoin is fraught with risks including theft by hacking and fraud.
A Bitcoin ATM has landed at a Boston rail hub, allowing commuters to learn about the digital currency.
The European Union's banking watchdog on Friday issued a warning over virtual currency trading amid huge swings in the value of Bitcoin, a lack of regulation and money laundering risks.