Got it! Something like nostr:nprofile1qqsg2aharxl7dy7t5mc2acemssnnxscxs3hvvxm9uttpwgy7rsppq3spr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp046dlwk, where it's possible to claim a username paying a fee (5k if I remember) would be nice in terms of UX. Also, thanks for the sats. :)