Abstract: A system is provided for paying vendors for their products and services by means of anonymous prepaid purchase tickets issued by a banking institution. The system includes ticket issuing means and ticket generating means associated respectively with first data storage means in which the ticket(s) belonging to each user are stored and second data storage means in which goods bought by means of each ticket are stored and the value of each ticket is updated according to the payments made by means of the tickets. The system also includes a system for managing the value of each ticket according to payments effected and for managing remuneration of vendors, the management system being associated with the second data storage means and supplying information on payments effected to the banking institution for remunerating each vendor.