An on-line value bearing item (VBI) printing system that includes one or
more cryptographic modules and a secure database is disclosed. The secure
database includes account balances and other information for all of the
on-line value-bearing item system customers and is capable of preventing
access by unauthorized users. Also, a secure communication network is in
operation to prevent unauthorized access to the users' data stored in the
database.A plurality of subsystems located on the server system side of
the on-line VBI system provide services related to purchasing,
accounting, and printing of VBI. In addition to the secure database, the
server system includes one or more cryptographic modules for
authenticating, processing value for the VBI, and generating indicia data
for the plurality of users.