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Re:Signal Public Username Testing (Staging Environment) by wolverine876 on Wednesday November 08, 2023 @11:05PM (#38201060)
Hmmm ... looking around, isn't the following implemented?

https://signal.org/blog/secure-value-recovery/

(It's also relevant to the OP.)

Re:Signal Public Username Testing (Staging Environment) by codethief on Thursday November 09, 2023 @12:35PM (#38208080)
SVR doesn't do full backups (yet?)