buttercat1791 on Nostr: I like the idea of using a single-letter tag for indexing. I'd suggest just using ...

I like the idea of using a single-letter tag for indexing. I'd suggest just using OceanSlim (nprofile…ehxa)'s original suggestion, but breaking it up across the tag, so `["w", "BTC", "bitcoin", "address"]`.

A client could assemble the values into the form the user needs for various purposes.