nostr:nprofile1qqsfse5dgug6m43e888lpafnazgezvfmevj3xsz6dthmzc70epavr4qpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqgjwaehxw309ac82unsd3jhqct89ejhxqgdwaehxw309ahx7uewd3hkcdtv958 on many clients you can also "subscribe/follow" to hashtags. From then on, your main stream will display all discoverable notes containing the followed hashtags, regardless if you follow a specific npub (entity like you which is producing notes on nostr).

Fyi: The magician behind Damus is nostr:nprofile1qqsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wwa5kuegpp4mhxue69uhkummn9ekx7mqcu9929

I'm using as clients mainly Amethyst by nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqpzamhxue69uhhv6t5daezumn0wd68yvfwvdhk6tcpz9mhxue69uhkummnw3ezuamfdejj7qgwwaehxw309ahx7uewd3hkctcscpyug, Primal Android and Web and some Nostros by nostr:nprofile1qqsxg45ph8gx0vdrvtzta6xal7v86frx6jvstsnvhrlvtehmwwh4epqpz4mhxue69uhk2er9dchxummnw3ezumrpdejqz8thwden5te0dehhxarj94c82c3wwajkcmr0wfjx2u3wdejhgqg6waehxw309ahx7um5wgh8xct5wd68yctvd9sjucm0d5gajr69.