# FAQ

Does my application contract have to inherit from a specific contract to work with Glacis?

> Although Glacis provides client contracts to facilitate the interactions with the router, they only requirement for a contract to use Glacis is to implement the GlacisClient interface.

Can I send tokens with Glacis?

> Glacis supports passing cross-chain tokens of the [XERC20](https://www.xerc20.com/) standard via the SimpleTokenMediator. If you would like to send preexisting tokens, check out the Airlift product.