Quarking is a free Android application developed by BCN Quark Bidimensional Codes, which allows users to save their IDs on their mobile phones in an easy and safe way. With Quarking, users can scan a QR code and transmit the encrypted keys to access their IDs without having to enter complex passwords directly.

In addition to its secure ID storage feature, Quarking offers tools that allow users to save their keys to other webpages on their mobile phones and use them with the Chrome Extensions. The QR reader included in the app can scan any type of QR, whether it is Quarking or not. Quarking is a trademark registered by BCN Quark Bidimensional Codes, and it has a patent pending.