Patent ID: 7474592

Claim:
An apparatus comprising: a versatile device configured to facilitate a wireless transaction for an authenticated user and configured to be worn by said authenticated user such that to encircle a part of said authenticated user, wherein said versatile device comprises a bio-sensor for detecting the presence of said authenticated user; and a validation mechanism for controlling use of said versatile device based on whether said authenticated user continues to wear said versatile device after initiating use of said versatile device, wherein said validation mechanism monitors whether said authenticated user continues to wear said versatile device by transmitting at periodic intervals a data packet at one location of said versatile device and receiving said data packet at another location of said versatile device, said validation mechanism comprising: a transmitting element for transmitting said data packet; a receiving element for receiving said data packet; and a data channel spanning said transmitting element and said receiving element such that successful transmission of said data packet between said transmitting element and said receiving element indicates that said versatile device is being worn by said authenticated user, said data channel at least partially encircles a portion of said authenticated user, said data channel configured to be rendered inoperable if said authenticated user discontinues wearing said versatile device, and said versatile device may be re-activated by said authenticated user.