A method and gaming machine/system designed or configured to provide security
to
cashless gaming system instruments, such as EZ PAY tickets, by placing authentication
information data on the ticket. Player authentication data is acquired via an interface
provided by a gaming machine and the data is then placed on a cashless instrument
so that it may later be read and authenticated. Such instruments could then only
be negotiated by the person identified by the player authentication data placed
on the instrument.