Abstract: Multi-dimensional symbology codes that use plural characteristic features encoded in a data cell and related methods. Such methods include methods of encoding, methods of creating and methods of reading multi-dimensional symbology codes that use such plural characteristic features. The features, for example, include colors, grey scale levels, cell shape, patterns within a cell or any grouping discernable by an area array camera or similar device.

Abstract: Methods and systems for conducting transactions using an electronic device are provided. For example, a mobile electronic device such as a mobile phone or the like can be used to purchase goods from a merchant. An exemplary method comprises the steps of selecting a payee, generating a secure two-dimensional code comprising transaction information, providing the secure two-dimensional code to the payee, and authorizing a payment to the payee.