we were discussing signal in another yarn last week. i’m looking at building a service that would let a potential signal user for a small fee purchase an e.164 sip number to use for registering signal or other mfa situations. of course sms-based mfa is rather insecure due to the triviality of ss7 network exploitation but i’m sure not all of us have operative-level threat models.

i’m looking to build this in golang since it’s wicked fast and as always keep it open so that people can fork and stand up their own system should they choose to.

what are your thoughts?