The present invention provides a communication system for creating {HEAD ~ a shadow ledger} for {TAIL ~ a remote communications unit} 
for
The present invention provides a communication system for creating { HEAD ~ a shadow ledger } for { TAIL ~ a remote communications unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL