How to participate in the RIOZ token pre-sale & airdrop?
There are three ways to participate in Rioz token airdrop and presale. There is a 1.5 $minimum fee for participating in the Rioz token pre-sale airdrop. And the maximum fee for this pre-sale is 30$. MATIC, USDC, and USDT are all accepted. These tokens should be all on the polygon network.