Such a flexible solution. Each of my kids have their own key. And I have a multisig wallet for cold storage. Only one seedsigner needed!!
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
Discussion
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Best I've used, and I've tried a lot of what is on the market.
I’ve been tempted to buy a cold card, mainly because so many people recommend it. Just don’t think I have a need for it. They do look really cool though.
They are cool, but I prefer to have my keys not stored on any device. Also with coldcard, you have to transport your psbt's via sim memory card to your computer. Seed signer is just a scanned qr code. I haven't used the nfc chip in the cold card but I'm not looking to use that for any cold storage solution. The more offline, the better imo.