There can be two reason why you not get your money:
1. Remember to join with same username to RefbackBank and PTC site. If you not join with same username please write it on Team Chat.
2. You join too late. On most of the sites is referrals limit. Probably you join when our limit is exceded. Check Team Chat often to know full list of referrals.
Paid - paying sites
Limited- site where we reach our ref limit
Testing - here you can find site which not looks "stable"
New - new promising sites
Join - sites which you join
SCAM - sites which not pay their members any more or gone.