FIG 20 is {TAIL ~ a flowchart} illustrating a process for {HEAD ~ a reader} authenticating a tag according to embodiments 
FIG 20 is { TAIL ~ a flowchart } illustrating a process for { HEAD ~ a reader } authenticating a tag according to embodiments
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH