Circle is an app you can use to manage bitcoin, assuming, you know, that you're into Magic Internet Money. The latest update adds Android Wear support, which gives you the option of generating a QR code to use as an address for receiving byte-sized moolah or simply keeping an eye on bitcoin's going rate at the moment.

Circle

This update also adds NFC support, so you can use the app to transfer bitcoin by tapping your phone against something it plays along with, just in case paying using Google Wallet doesn't provide enough nerd cred.

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