{HEAD ~ The invention} finds one particularly advantageous application in the field of electronic transactions effected by means of an electronic memory card operable with {TAIL ~ a portable payment terminal} 
{ HEAD ~ The invention } finds one particularly advantageous application in the field of electronic transactions effected by means of an electronic memory card operable with { TAIL ~ a portable payment terminal }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL