Multi-venue ticketing using smart cards

A method of maintaining tickets for multiple venues on an electronic device, comprising:

• storing a first venue module, wherein said first venue module is associated with a first venue and includes a first venue key;
• storing a shared module, said shared module comprising an instruction used by said first venue module and having a shared venue key for validating said first venue module;
• validating said shared module;
• receiving a challenge from a ticket loader;
• signing said challenge with a first digital signature using said first venue key;
• transmitting said signed challenge to said ticket loader;
• receiving a first electronic ticket for said first venue;
• receiving a first ticket signature, said first ticket signature being associated with said first electronic ticket;
• and
• authenticating said first ticket signature with said first venue key.

An electronic device for storing tickets, said device comprising a memory configured to store:

• a shared module, said shared module comprising an instruction used by one or more venue modules and having a shared venue key configured for validating said one or more venue modules;
• a first venue module associated with a first venue, said first venue module including a first venue key for validating tickets for said first venue;
• a module loader key for validating one or more of said shared module and said first venue module;
• and
• a first ticket for said first venue, said first ticket having a first ticket signature, wherein said first ticket signature is authenticatable with said first venue key.

A computer readable storage medium storing instructions that, when executed by a computer, cause the computer to perform a method of using an electronic device to store a ticket, the method comprising:

• receiving a first venue module associated with a first venue, said first venue module including a first venue key for validating a ticket for said first venue;
• validating said first venue module with a module loader key of the electronic device;
• receiving a shared module, said shared module comprising an instruction used by said first venue module;
• validating said shared module with said module loader key;
• receiving a first ticket for said first venue;
• receiving a first ticket signature associated with said first ticket;
• and
• authenticating said first ticket signature with said first venue key.