1. SECURE MICROPAYMENT SCHEME FOR NEWSPAPER SUBSCRIPTION Pay Per Article Dr. M. Sandirigama Fasna JF. Irfan MAM. Rishadhy MJM.

2. INTRODUCTION

3. PAY PER ARTICLE SUBSCRIPTION  Instead of existing monthly or yearly subscription plans, introducing a plan to pay only for the articles user reads

4. MICROPAYMENT  Transaction which involves a small amount of money

5. OUR SOLUTION  A token based micropayment scheme for the subscription plan

6. METHODOLOGY

7. REGISTRATION U, P User U, P System Newspaper U – User ID P – Password

8. PURCHASING TOKEN User U, P System M Bank R, E Newspaper U – User ID R - Random Number P – Password M – Amount of money E – Hash Function

9. AFTER PURCHASING TOKEN User U, P, R, E System Newspaper U – User ID R - Random Number P – Password M – Amount of money E – Hash Function

10. READING AN ARTICLE User U, P, R, E System Newspaper Logging In M U – User ID R - Random Number P – Password M – Amount of money E – Hash Function m – Article’s Price Read Request

11. AFTER READING AN ARTICLE User U, P, R, E System Newspaper U – User ID R - Random Number P – Password M – Amount of money E – Hash Function m – Article’s Price

12. CONCLUSIONS  Developed the system for registering newspaper and reader  2 – Step verification is included in logging to system  A newspaper site for testing  Implementation of Protocol work is in progress

13. THANK YOU