Oh, yeah, they're also quite popular. I always forget about them because my Firefox signer gave me problems with their site login, but it seemed to work, last time I tried.

Sorry, nostr:nprofile1qqszpxr0hql8whvk6xyv5hya7yxwd4snur4hu4mg5rctz2ehekkzrvcpzamhxue69uhhyetvv9ujuurvv438xarj9e3k7mgpr9mhxue69uhkummnw3ezu7n9vfjkget99e3kcmm4vsq3yamnwvaz7tm0venxx6rpd9hzuur4vg5xqmxe. My bad.