So just the only participants with fresh registration deserve to reward the current payment.
Actually you should clarify the exact date to check all activities for every participant or the date to distribute payments. However you kept silent to make everything became vague and dubious. Therefore almost supporters became inactive and kept waiting for some official news.
It's the second condition for all members who want to participate in campaign. All old participants who registered in campaign and did all conditions received their payment. It was second wave and we are re-checked all users one by one.