CSM (Crust Storage Market) token is designed for Crust storage market. The total amount of CSM is 200 million, and will be dropped to community freely. CSM can be used as a ticket to to participate in storage market related CRU drop activities (such as subsequent store-data-to-get-CRU activity), obtain storage market related fee discounts, and get recycled to claim CRU of storage market revenue pool.