Sand (SAND) is a cryptocurrency used by a virtual reality platform called Virtual World Collaboration (Decentraland). Decentraland allows users to purchase land and create content in the virtual world, while the SAND token is used to support the in-platform economy and for transaction fees.

The SAND token is used for land parcel sales, buying and selling of virtual goods, and various other transactions on the platform. It is also used to support Decentraland's decentralized features and encourage community participation to drive the project.

Please note that cryptocurrencies and tokens can have volatile values, so it is important to exercise caution before investing and you should carefully consider any investment decisions. Additionally, projects and tokens may change over time, so it is important to consult the project's official resources to access up-to-date information.