> For the complete documentation index, see [llms.txt](https://wiki.hashup.it/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.hashup.it/get-started/erc20-cartridge/types-of-cartridges.md).

# Types of Cartridges

There are 3 main types of ERC20 HashUp Cartridges

## **Gold** 

Collectable, characterized by a maximum supply of 133,700 units and a maximum commission of 20% per trade. Such cartridge can be used for speculation due to its limited supply, which never fluctuates. 

![](https://3403329063-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVu5IOZOIpzC7vWcEvKek%2Fuploads%2F1NkvWv7Na4A7ww88KSbK%2Fcartridge_gold_v2_00000.png?alt=media\&token=3a747b62-a35b-42ab-b94b-0df65a0afee8)

## **Grey** 

Standard cartridge, which has no supply limit at the time of creation and no limit on the amount of commission for trading on the secondary market. Standard License Carrier. 

![](https://3403329063-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVu5IOZOIpzC7vWcEvKek%2Fuploads%2FcVYqhAJzF7iF0dAWwYue%2Fcartridge_v2_00000.png?alt=media\&token=6b059752-2917-4ac8-b126-de187a1fe448)

## **Custom**

Modifiable, distinguished by complete freedom in shaping the aftermarket model and the 3D model.

![](https://3403329063-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVu5IOZOIpzC7vWcEvKek%2Fuploads%2FpC1ep5FLVdRx6bcACOJP%2Fcartridge_rainbow_v2_00000.png?alt=media\&token=e930abbe-0360-471f-9eb5-cc509352a429)