For example, {TAIL ~ at least one end portion} of {HEAD ~ the PAN}, which includes the BIN or bank identification number, remains static during the transaction process and at least the middle portion is changed or encrypted 
For example , { TAIL ~ at least one end portion } of { HEAD ~ the PAN } , which includes the BIN or bank identification number , remains static during the transaction process and at least the middle portion is changed or encrypted
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH 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 OTH OTH OTH OTH OTH