Method for processing at least one piece of payment means data, corresponding payment terminal and computer program

A payment terminal comprising:

• a general purpose processor;
• a general purpose processor memory storing an application for processing loyalty data of the payment terminal, which is executable by the general processor;
• a secured processor;
• a secured processing memory
• wherein the secured processor is configured to:
• obtain at least one piece of data representing a payment means used to make a transaction, called a piece of payment means data;
• anonymize said piece of payment means data, delivering a piece of current anonymous identification data;
• and
• transmit said current anonymous identification data to the application for processing loyalty data of the payment terminal.

A non-transitory computer-readable medium comprising a computer program product stored thereon, which comprises program code instructions for executing a method for processing transactional data, when the instructions are executed on a secured processor of a payment terminal, wherein the method comprises:

• obtaining, by the secured processor, at least one piece of data representing a payment means used to carry out a transaction, called a piece of payment means data;
• anonymizing, by the secured processor, said piece of payment means data, delivering a piece of current anonymous identification data;
• and
• transmitting said piece of current anonymous identification data to an application for processing loyalty data of the payment terminal, said application for processing loyalty data being executed by a general-purpose processor of the payment terminal.