Cryptocurrencies should not have legal tender status, becuase most of the coins are not as good as people would think it is. You can see now that there are more than 26000 cryptocurrencies. There are vene still more but only few remain good. Most are shit and dead coins. Also that most coins are securities and not commodities. The only coins that has legal tender status should be bitcoin. And it should be in a way citizens needs to know how volatile it is. Bitcoin also is a store of value and an asset of value.