Centralized Platform for Conducting Commercial Transactions Using a Near Field Communication Network

System for conducting a transaction on a set of products available in a geographical area, including a plurality of RF scanners and a centralized platform, in which:

• each of said scanners is associated with a product and adapted, when scanning an RF badge to transmit to said centralized platform a message containing at least one identifier of said product and an identifier contained in said badge and identifying a customer associated with said badge over a duration greater than said transaction;
• and said platform is associated with said geographical area and adapted to receive said messages and to store a virtual basket associating with said identifier of said badge said identifier or identifiers of products contained in said messages, and to display said virtual basket by means of a human-machine interface.