# AuResources Ecosystem

- [Tokens](/help-center/auresources-ecosystem/tokens.md)
- [Future Gold Tokens](/help-center/auresources-ecosystem/tokens/future-gold-tokens.md): This article explains what Future Gold Tokens are, how they represent ownership of unmined gold, and how they function within the AuResources ecosystem.
- [AuSG (Spot Gold Token)](/help-center/auresources-ecosystem/tokens/ausg-spot-gold-token.md)
- [AuUSD](/help-center/auresources-ecosystem/tokens/auusd.md): This article explains what AuUSD is, how it works as a collateral-backed stablecoin, and how you can use it to access liquidity from your gold tokens without selling them.
- [DeFi](/help-center/auresources-ecosystem/defi.md)
- [Vault](/help-center/auresources-ecosystem/defi/vault.md)
- [Liquidity Pool](/help-center/auresources-ecosystem/defi/liquidity-pool.md)
- [Merkl Campaigns](/help-center/auresources-ecosystem/defi/merkl-campaigns.md)
- [Referral Program](/help-center/auresources-ecosystem/referral-program.md): This article explains how the AuResources referral program works, including how to earn rewards by referring users and the benefits for those who use referral codes.