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A method of multi-party computation, for processing and secure handing of a plurality of data associated with one or more users, comprising the steps of: providing a predeter mined multi-party computation algorithm; each user being able to send a first dataset to a data processing unit via a respective second data processing unit distinct from the first data processing unit and in signal communication with the first data processing unit; each first dataset being associated with the user and comprising one or more encrypted numeri cal values; processing each first dataset that has been sent using at least one reference function residing in the first data processing unit to generate a respective encrypted result for each reference function; requesting the first data processing unit to send the result using a predetermined function shared by the users and a respective second data processing unit sending the result to the …