MLM companies where latest joiners introduced into Binary Tree structure i.e. one on left and another on right sub tree. Generally, one side sub-tree is referred to as authority leg while other is Profit leg.
Authority leg grows with new member placement, even introduced by previously enrolled or ancestors. New members in the authority leg placed under a leaf available node of the binary tree, when a member works to grow his Profit leg, some compensation distributed calculated by a formula using certain value matched with authority leg that may be 1:1 or 2:1.