There are a few of these already. Etherium Name Service[1] NameCoin [2] presumably many others. [1]https://ens.domains/ https://ens.domains/ [2]https://www.nam

There are a few of these already. Etherium Name Service[1] NameCoin [2] presumably many others. [1]https://ens.domains/ https://ens.domains/ [2]https://www.namecoin.org/ https://www.namecoin.org/