The plugin supports the following multi-currency plugins:
- YITH WooCommerce Multi Currency Switcher
- WooCommerce Multilingual (4.2.9 or higher)
- WooCommerce Currency Switcher (v. 1.2.4 or higher)
- Aelia Currency Switcher for WooCommerce
and lets you configure a different number of points for each currency.
Whenever you create new rules for awarding (Points options > Points assignments) and for redeeming points (Redeem options > Points redeeming), you will see one field for each currency available in your shop, like this:

The same configuration is replicated in the Points rules and Redeem rules and for each role in your shop:

Or for every Extra points setting where you can set a conversion from points to money or vice versa.

For further details about the configuration of YITH Multi Currency Switcher plugin, please, refer to the official documentation.