HIENS4 is an ERC-20 token representing 1/1000000 ownership of the 4-digit ENS in the ENS4 yuan exchange pool of the Fracton Protocol. For each 4-digit ENS added to the pool, the total supply of hiENS4 will increase by 1 million. On the contrary, for every 4-digit ENS redeemed from the pool, the total supply of hiENS4 will decrease by 1 million....