when the usd0++ stakers sell their usual coin reward in market for usdc isnt that going to the circulating supply?

$USUAL important to see the circulating supply and not pay attention to the total supply, since the total will always be increasing, but those added coins are blocked, as they are automatically created by the staking that gives usual in your wallet, you can check it, they give X coins for APY. All created coins do not enter circulation, they are blocked!