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#AskNostr #GrapheneOS #TotallySane

Been thinking about this a bit more, to see if I can find a way to definitely ditch the spyPhone (so maybe I can sell it and add a few sats to my stack, for instance).

Would my fellow psychopath but definitely not paranoid at all GrapheneOS-using Nostriches consider the use of a 5G SIM-powered portable router, as a hotspot for the GOS device?

I would obviously lose the ability to make cell network phone calls and SMS -- but I don't do those anymore anyway, and I would even consider it a positive. The vast majority of people I want to talk to either don't do voice calls, or they use WhatsApp (which I despise, but that's another problem for another moment), even people who call me locally.

To summarize, I'm considering three set ups:

1. GOS device only, SIM on, normal use. Just fuck it, GOS keeps Google in check to a large extend and I can compartmentalize the worst stuff with User Profiles. Let's keep it simple. ~~No one is~~ Not many people are out to get you.

2. GOS, no SIM, airplane mode with WiFi + lockdown mode-spyPhone as hotspot. In the end I would assume carrying the two phones together all the time could easily establish an identity. But in terms of security, wouldn't this bring some added benefits?

3. GOS, no SIM, airplane mode with WiFi + portable 5G router with my current SIM for data. Isn't this inherently less leaky than carrying a spyPhone, lockdown or not?

Ideally I would want a FOSS router, but after a quick internet search that seems like asking for a lot right now.

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Anon 1y ago

There's no getting around having a SIM since you'll likely need to use navigation programs like Waze when you're in the car and WiFi is unavailable.

The magic combination for me personally is:

GrapheneOS

Buy an esim using Bitcoin from silent.link. It's a data-only plan. No voice or SMS. No phone number. They'll assign you an IP address from some obscure location like Warsaw, Poland. So far so good, but the IP address is attached to your esim which is attached to your location.

Now apply ProtonVPN, also paid for in Bitcoin. You've now decoupled your IP address from the esim and your physical location. The VPN IP address is what WhatsApp, Telegram, Signal, etc. will see. Make sure to turn on the GrapheneOS option to block all outbound connections unless the VPN is connected.

So far so good, but you still don't have a phone number or SMS. So for that next step, get a phone number from jmp.chat. Pay for it in Bitcoin. There are no esims associated with that phone number. It runs over XMPP. The only thing jmp.chat will know about you is your anonymous VPN IP address. You've now decoupled your phone number from both your (real) IP address and your physical location.

Your use case seems to be like mine; Very little voice phone or SMS. But when you need it, you need it. So now you have a phone number. The latency with all these layers will make voice calls over jmp.chat rather sketchy on the road, but it'll be fine when you're connected to WiFi.

This seems to be the magic combo for me. The only shortcoming is that financial institutions like Bank of America, Charles Schwab, etc. won't send TFA codes over SMS to a VoIP phone number, and jmp.chat is definitely a VoIP number. I try to avoid companies that insist on using SMS TFA codes, but if that's a critical use case for you personally, you'd need a cheap dedicated flip phone and plan for that.

Hope this helps.

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Discussion

hh 1y ago

Interestingly enough though, Wise US, which has otherwise become an absolute BITCH to deal with these past couple of years, does accept my jmp.chat US number for SMS verification. So did my other US bank.

Other than that, my specific needs do not 100% match your set up, but it does sound like an excellent one generally speaking for a single use profile, for instance, personal only, or work only. I may end up simply doing exactly that and migrate my personal phone use to the GrapheneOS device only with your set up, and simply keep another totally separate device for other uses (like work).