Signal just made me solve a dozen CAPTCHAs so that I may be blessed to use Signal Desktop behind a VPN. Apparently it's to reduce spam.
https://m.primal.net/Iizj.png
https://m.primal.net/Iizk.png
ht...
Wouldn't it be nice if they signed your public key so that you could conveniently reuse that authorization elsewhere within some realm