Terminal and system for implementing secure electronic transactions

(57) A summary terminal contains a terminal module (1) and an individual security device (31). The terminal module (1) conforms so that the demand from the application (Fap) installed on the electronic unit in the form of the high level demand independently of the module (1) and the above-mentioned individual security device (31) may be received. A terminal module (1) and/or an individual security device (31), A high level demand with the re-programmable memory for memorizing At least one sequence of the data exchange between (i) terminal module (1) and a user, Or a means to execute the filter program (F) changed into at least 1 side of at least one sequence of at least one basic command which can be executed by a (ii) individual security device, or a basic command is included, And in order to prevent correction of the above-mentioned program by an unauthorized individual, a means to protect the above-mentioned filter program (F, 62) is included. A filter program identifies the sauce of a demand sent from the above-mentioned application (Fap) installed in the above-mentioned unit, and is equipped with/or a means to attest.