DecentLand Usernames System
testnet SWC: x0UlfULWsYGNttZf4QTIEuIvedjsYQtaHh_yOfyhOWg
usernames represent unique tokens under DecentLand data protocol. Each username belongs to a Token-Type according to its length.
DecentLand usernames are mintable, transferable, and tradable assets. The username's owner (aka holder) have full access over the username's ownership.