The circulating supply of cryto currency refers to the coins that are accessible to the public and should not be confused with the
total supply or
max supply. The total supply is used to quantify the number of coins in existence, i.e., the number of coins that were already issued minus the coins that were burned. The total supply is basically the sum of the circulating supply and the coins that are locked up in escrow. On the other hand, the max supply quantifies the maximum amount of coins that will ever exist, including the coins that will be mined or made available in the future.
Moreover, the circulating supply of a
cryptocurrency can be used for calculating its
market capitalization, which is generated by multiplying the current market price with the number of coins in circulation. Basically with this explanation I could tell you their is difference in calculating supply and crytocurrencies .