If you mean that the company rewards you with more tokens if you do more business with them or vote for them or bring more customers, then this reward is allowed
for you. This is when the activities of the company is investing in lawful business only.
If the amount is been invested in lawful business away from unlawful business e.g. alcohol, pork, usury etc, then the income from it will be lawful. Such income can not be fixed by a percentage from the capital, but it must depend on the profit if any.
Fixed amounts given by non Muslims is allowed for the Muslim to receive and utilize in lawful needs and aims.
We can not prohibit others in Western society from dealing with Riba, but we as Muslims are not allowed to deal with Riba.
The meaning of Riba is to be taken from the Marja' of Taqleed and not from the people.
Despite the fact that we live in a society which deals with Riba but we should not indulge ourselves in Riba as far as we can.
It is permissible but he should pay its khoms.