The method 1, wherein {HEAD ~ the data} authenticating {TAIL ~ the transaction} comprises one or more of a Card Verification Value code, a Contactless Card and Chip Verification Value code, a Stored Value Card code or a bank identification number code 
authenticating
The method 1 , wherein { HEAD ~ the data } authenticating { TAIL ~ the transaction } comprises one or more of a Card Verification Value code , a Contactless Card and Chip Verification Value code , a Stored Value Card code or a bank identification number code
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH