@hippietywhoop
@MastodonEngineering no current plans to expand on the existing feature in that area - generally speaking there’s no end-to-end encryption in the protocol; something like Signal may be a good option for you, depending on your needs.
If you have a fediverse account, you can quote this note from your own instance. Search https://macaw.social/users/andypiper/statuses/114462497381638998 on your instance and quote it. (Note that quoting is not supported in Mastodon.)