# Dual Structure

To bootstrap adoption from web3 users, the game may have a play-to-earn function in its early stage. The play-to-earn token will have an infinite supply, and will be called “$FUEL.”

1. **Free Play**: Play-to-earn rewards may not be available to players who have no NFTs of DUEL Card. This will be solely to bootstrap player base. If the game is exciting enough, these will lead user into a regular player base and extended NFT Play.
2. **NFT Play**: The vast portion of play-to-earn rewards will be available to players using designated P2E cards which will be NFTs. These would be purchasable in XANA NFT Marketplace. This way, the play-to-earn system self-sustains its initiation.
