Browse Prior Art Database

Business model of internet stamp card with using incremental digital signature

IP.com Disclosure Number: IPCOM000013638D
Original Publication Date: 2001-Jan-01
Included in the Prior Art Database: 2003-Jun-18
Document File: 2 page(s) / 44K

Publishing Venue

IBM

Abstract

Disclosed is a business model of Internet point card system with using incremental digital signature at client machines. Internet point card system is known as a system where users can earn points on visiting or shopping at a Web site, so that they can exchange their acquired points with some gift or money afterward. In the real world, there are 2 kinds of point card as follows; (1) Shop oriented point card

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Business model of internet stamp card with using incremental digital signature

Disclosed is a business model of Internet point card system with using
incremental digital signature at client machines.

Internet point card system is known as a system where users can earn points on
visiting or shopping at a Web site, so that they can exchange their acquired
points with some gift or money afterward.

In the real world, there are 2 kinds of point card as follows;

(1) Shop oriented point card

In this system, customer's acquired points are accumulated in the shop's
database.

Customer only owns a card that specifies his/her member ID or name.

(Fig.1: An example of shop oriented point card)

(2) Customer oriented point card. (Stamp card)

In this system, customer's acquired points are accumulated in the card itself.
Customer owns the card that accumulates his/her acquired points.

Shop does not know the details of the accumulated points.

(Fig.2: An example of customer oriented point card)

The type (1) system is already achieved in the Internet world. But it is
believed that it costs too much for a small shop to construct this system by
itself, because it requires a database to control all member's acquired
points.

"incremental digital signature" included in this disclosure enables the type
(2) system in the Internet world. As this system does not require the
database, small shops can introduce this system at lower cost. Furthermore, as
this is not a centralized system but a distributed s...