An old android phone (preferably one still getting security updates, but either way keep it offline), maybe the cheapest laptop you can buy in person at Walmart.
I know you are a “public” bitcoin figure, but could you offer your general thoughts on Jade and Cold Card?
Keeping a phone with a propriatary GSM module offline? Who are you and what did you do to Matt?!
Faraday bag. Physics fixes this.
Until you have to take it out. Though if you have a faraday room you can enter during signing you have a point.
If you don't have a faraday room, I'm sorry, you're ngmi
And what wallet software do you run on the phone?
And the DIY projects like SeedSigner ?
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