Note that the USD value is computed from some stable coins, the list of these stable coins is avalaible in the footer. This list can be adjust on demand to include more pairs.
The Creator needs to deposit a collateral that will be locked until the Quest expiration date. He will need to Reclaim the deposit to recover it
The Player needs to deposit a collateral that will be restored once the claim is executed.
The Challenger needs to pay some challenge fees defined by Celeste and needs to deposit a collateral that will be restored once the claim is executed successfully.