This universal rewards currency may be “spent” by {HEAD ~ participants} who have earned rewards and accepted by {TAIL ~ the other participants} in the multi tiered network created by the system 
accepted by
This universal rewards currency may be “ spent ” by { HEAD ~ participants } who have earned rewards and accepted by { TAIL ~ the other participants } in the multi tiered network created by the system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH