Dash Evolution storage fees are refundable, meaning when you don't need data anymore, you can remove it.Fees are slowly paid out to EvoNodes over 50 years. At any point the data can be deleted and the remainder of the deposit is refunded. After everything is paid out, it's truly permanent.This also adds the equivalent of a mint/burn effect for the network: lots of storage fees means the circulating supply goes down, making Dash more scarce and more valuable.The 50-year payout acts like a tail emission to ke ...