Fecha de publicación: 02/02/2023 Fuente: Wipo "digitalization" The present invention relates to at least a digital transaction apparatus including a Data Assistance Device (DAD) including, a user interface that is operable to at least select data, and a DAD transmitter, a Digital Transaction Card (DTC), including a Digital Transaction Processing Unit (DTPU), and a DTC receiver, wherein the DAD and DTC are operable to transfer data from the DAD to the DTC and when subsequently using the DTC to effect a digital transaction, the DTC operates in accordance with the data selected and transferred from the DAD to the DTC, and wherein the DTPU operates in accordance with firmware wherein the firmware has been modified to enable the DTPU to receive and execute an expanded set of commands that, when executed, allows the writing of data to a secure record memory of the DTPU.