ENS, but it can assume the functions of a DNS. This is because each HACD has a unique address that owns it.
Where an address needs to be entered at the application layer, just enter the six letters of the HACD and it will be automatically resolved to the address that owns the HACD. Similar to a .com domain name automatically resolving to an IP.
It will become Hacash's personal identity(DID), enhancing the collectability value of the HACD.
Besides, each HACD has a unqiue six letter that is earlier than the Text-based NFT Loot.