PayPal has today announced the availability of their fingerprint-based authentication system in 25 countries. The system was first announced at MWC 2014 and is now ready for action on the Samsung Galaxy S5. With the app, users can simply swipe a finger over the home button on the S5 to authorize payments and perform other operations. This means you no longer have to login to PayPal with a username and password when using the mobile web, through apps or even in retail stores.

The S5 is also the first phone to incorporate the FIDO authentication standard that was developed by Google, Microsoft, MasterCard, and Lenovo.

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