I had a conversation about a very interesting use case for them with nostr:nprofile1qqsqqqqqqdm4gqjpxk26e8skz2ld2zypt6vwcj4f669zv28lv92g2mcpz4mhxue69uhk2er9dchxummnw3ezumrpdejqzxrhwden5te0wfjkccte9eekummjwsh8xmmrd9skcqg6waehxw309ahx7um5wghxxmmfden82mnyd96zucm0d5v0zrj9  recently