I thought it was a company to redesign the old phones and make them Airgapped, I didn't expect it to be their design, it's so strange.
There is not a lot of information but the comparisons made seem childish.
I did not see how these devices will be charged, and I believe that only dollar support will not bring them a lot of profits.
Why do we need multiple signatures?
Passport uses the same security model as Coldcard but introduces (1) integrated AAA batteries and (2) a camera for more convenient airgapped transactions.
Coldcard old version