The present invention relates to a comprehensive
system designed to prevent and control fraudulent sales, understood as any type of unlawful transaction, including the sale of counterfeit, stolen or illicitly acquired goods. This
system assigns unique public codes to goods and services, linking them to registered owners and providing complementary secret codes that can only be accessed by these owners. This combination ensures the authenticity,
traceability and security of the goods and services at any stage of their life cycle. The
system allows owners to transfer ownership in a secure and authorised manner without the buyer having direct access to the
secret code, thereby protecting the integrity of the process. In addition, it allows transfer authorisations to be delegated to third parties in a controlled and secure manner. During each transaction, the system automatically updates the ownership
record, disables the previous secret codes and generates new unique secret codes for the new owner, thereby strengthening security and preventing duplications or fraud. The platform that supports the system can be implemented in both centralised environments, with a main data-management
server, and decentralised environments using technologies such as
blockchain to distribute and protect information. This technological flexibility allows the system to adapt to different infrastructures and operating models, thereby ensuring an effective implementation in a wide variety of contexts. The system is also widely applicable in sectors such as the
consumer goods trade, the purchase and sale of used products, the
pharmaceutical industry, the fashion industry, issuance of educational certificates, digital services management and event tickets, among others. The versatility of the system ensures that it is functional in both in-person and remote transactions, acting as a guarantor in these transactions in order to verify authenticity and oversee compliance with the purchase and sale