Some casinos create a weekly and monthly competition for the highest wagers and most active players and reward them with either free spins or good amount o crypto. It makes betting more exciting, especially for high rollers and bettors. They also reward free spins for players who stay active on their chat community which could keep the interactions on their chat box more alive. You can visit reputable casinos to get more ideas.
It sounds like you have some experience with online casinos and their loyalty programs. These types of promotions can be a great way for casinos to reward their most active and high-spending players. It can also help to create a more engaging and exciting atmosphere for all players, as it gives people the chance to compete for prizes and rewards. It's always a good idea to research and choose reputable online casinos to ensure you are playing at a safe and fair site.