The system operator will most likely determine {HEAD ~ the type} of {TAIL ~ information} to be kept on the shadow ledger 
of
The system operator will most likely determine { HEAD ~ the type } of { TAIL ~ information } to be kept on the shadow ledger
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH