Abstract: Systems, methods, and devices related to a multifunctional digital data storage device which is wearable by the user as a decorative ornament. A wearable device, such as a ring or a wristwatch, is equipped with a transceiver, a storage module, and an antenna. The storage module contains identification data, financial information, and other data which may be used to activate accounts, open digital locks, make payments for transactions at retailers, as well as facilitate other transactions. The device may also be provided with other capabilities such as a heart rate monitor.