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