Coldcard supports the same use model. Advanced Tools -> Danger Zone -> Seed Functions -> Destroy Seed. Then restore any valid seed to use the device. I'd consider it good practice to do this at least occasionally to test your backup procedures.
One thing that I see people sleeping on with nostr:npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl vs other signing devices is that you could actually use a seedsigner for an entire house hold since as long as you unplug the power supply it doesn't actually store your keys on the device like other signing devices. (Cold card has all these ways to fool thieves ect. But nothing beats the keys literally not being stored on the device....right?)
I'm not suggesting you share your seedsigner with people you don't know but it is awesome that you can just own one seed signer that can safely sign transactions for a group of people instead of just 1. For low income areas of the world this could be huge. Also, it can be used with multiple open source wallet softwares instead of you being funneled into using some closed source sketchy software with a profit motive.
#coldstorage #stacksats #bitcoin
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