If you think Frax has a good future, one way to invest in it is by purchasing FXS tokens. FXS tokens are the native tokens of the Frax platform and they allow holders to access the Frax protocol's features and services. They also provide holders with a share in the Frax network's overall success. By buying FXS tokens, you can benefit from the growth of the Frax platform and its associated services. Additionally, FXS tokens can be traded on various exchanges, allowing you to take advantage of potential price fluctuations. Before investing, it is important to do your own research and understand the risks associated with investing in any cryptocurrency.