# Assets

### **Coins**

* Off-chain
* The most frequent seen in-game assets
* Used for upgrading pets
* Summon pets using coins

### Exps

* Off-chain
* Common in-game resource
* Used for upgrading pets

### Diamonds

* Off-chain
* Rare in-game assets
* Use diamonds to summon rare pets

### Capture Boxes

* Off-chain
* Rarity: <mark style="color:purple;">UltimaBox</mark> > <mark style="color:blue;">SuperBox</mark> > <mark style="color:green;">PetBox</mark>
* Used to capture pets

### Capture Tickets

* Off-chain
* Participate in the World Boss Challenge
* Used to capture specific A-tier pets and S-tier pets

### spMMM & uMMM

* Off-chain
* spMMM: spend and acquired in the game, can be exchanged into uMMM
* uMMM: You can exchange it into spMMM at any time

### $MMM

* On-chain
* Can be transferred into uMMM
* The in-game uMMM can be transferred into $MMM
* It can be cashed to user wallet


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