Yes. And both parties have to use a client that supports this.
In amethyst you can click the secret agent symbol when messaging someone.
Discussion
Hmm, interesting. So… shouldn’t nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955 be implementing this too? Are there reasons not to?
#asknostr
nostr:nprofile1qqsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpzpmhxue69uhkummnw3ezuamfdejsz9rhwden5te0wfjkccte9ejxzmt4wvhxjmcpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qdwkdtx when NIP-17 @ nostr:nprofile1qqsraldwhvwcjgltmxwfu7kw8dqef2692yhzheuurd7k3kfy8cxjdqgpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3samnwvaz7tmhv4kxxmmdv5hxummnw3ezuamfdejsz9thwden5te0v4jx2m3wdehhxarj9ekxzmnype9f6h