> For the complete documentation index, see [llms.txt](https://matr1x.gitbook.io/matr1x-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://matr1x.gitbook.io/matr1x-whitepaper/2.-matr1x-core-business/game/matr1x-studio/matr1x-fire/economy-and-asset.md).
# Economy & Asset
Main Introduction: In-Game Asset Classes
## **Main Tokens Involved in the Economic System**
### **FIRE**
Game tokens are used for various burning mechanics in the game, including avatar upgrade, cases opening and weapon casting.
### **MAX**
Game governance tokens, used to refer to the DAO governance of the entire ecosystem of Matr1x, with a total supply of 800 Million.
### **Stable Coin (USDT)**
As a widely-used stable coin, USDT is used as the in-game transaction currency and in-game service payment.
## **NFT Categories**
### **Weapons**
The Weapon NFTs which are main combat props in the game can change the appearance of weapons but do not alter the attributes of weapons.
Weapon
### **Cases**
Players can open cases to obtain a variety of NFT props. Most of the NFT assets in the Matr1x FIRE game come from cases.
Case
### **Avatars**
Avatars are the characters the players use for combat. High-quality avatars can earn FIRE and obtain cases in matches. Avatar NFTs belong to the "mining machine" type of NFT assets. There will also be a series of "cultivation" gameplay for the Avatars.
Avatar
## **Main Economic Activities**
### **Matchmaking**
In various matchmaking game modes, players with advanced avatars can obtain FIRE tokens and cases.
### **Avatar Upgrade**
By consuming FIRE tokens and other avatars, the attributes of the new avatars can be strengthened to improve in-game performance.
### **Avatar Reproduction**
A new avatar can be produced through 3D bioprinting by fusion gene blueprint extracted from the other two avatars. Players have to pay FIRE tokens to power 3D bioprinters.
### **Case Opening**
Players need to pay USDC and FIRE tokens to open cases and obtain in-game props.
### **Weapon Casting**
Only weapons that meet specific requirements can be put into the Weapon Casting Systems. Players can dismantle some low-quality weapons to acquire raw materials, which can be used in casting upper-quality weapons in a 3D weapon printer, by adding in more new components. Players have to pay FIRE tokens to power the 3D weapon printers.
