Yes. And both parties have to use a client that supports this.
In amethyst you can click the secret agent symbol when messaging someone.
gil
npub18h…munfx
2024-09-30 11:14:55 CEST
in reply to nevent1q…ejz2
Author Public Key
npub18hzc2xqsjam4d0q74gperl56j2s9an9vjakkfkly3lxpd4kurqmsjmunfxSeen on
wss://nos.lolPublished at
2024-09-30 11:14:55 CESTEvent JSON
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