It looks like the hardware is not needed at all 🙈 If you lose your hardware, you can use your phone, together with the key on Bitkey’s server, to set up new hardware (after a Delay and Notify period expires, during which Bitkey pushes alerts to your app to alert you of a recovery attempt).

Bitkey: Self-custody bitcoin wallet

What do you mean, ‘There’s no seed phrase’?

Three routes to recovery are better than one high-value hide-a-key. You know that spare key your neighbor has, hidden under the mat or a fake rock...