Basically create a website that has some monetary rewards for participation, tied with some mechanics that leverage trading, FOMO and gambling.

If you need proof this (i.e participating for a shot at monetary reward) works, look back at when Valve first implemented the ability to trade cosmetics with TF2, and look at how that evolved.

Its actually simple enough to where Im surprised this hasn't been done already considering this happened https://finematics.com/vampire-attack-sushiswap-explained/