Is the competition that relies on collecting points through participations and topics, and in which monetary prizes are awarded to the three female members who accumulate the most points, unlawful or lawful?

Beneficial academic competitions in the Sharia sciences or sciences in general are permissible online and through similar means, provided that the participant does not pay money to enter. Otherwise, it would be considered prohibited gambling. However, if the contestant does not pay money, the competition is permissible.