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