mcc on Nostr: Several people have replied to this to point out Signal has this feature. ...

Several people have replied to this to point out Signal has this feature. https://support.signal.org/hc/en-us/articles/360007320771-Set-and-manage-disappearing-messages

Note this will not protect against situations such as:

- People screenshotting the message for some reason
- People reading the message, then testifying they remember reading it
- A large group chat containing one or more FBI agents, who screenshot, copy and/or take contemporaneous notes preserving the content of the message