Nostr Web Client

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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Discussion

SeedSigner 2y ago

This is indeed a benefit of SeedSigner in that you can use it to manage a virtually unlimited number of keys. I would never let a stranger borrow my signer, but I think the idea of sharing one with trusted friends and relatives is 100% reasonable. Even better if everyone has their own memory card to use with the signer w/ a copy of the software they’ve downloaded and installed themselves, and of course remember to pull the mem card after the main menu appears. Thanks for helping us spread the word!

Mr Jims 2y ago

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!!

HodlHomestead 2y ago

Best I've used, and I've tried a lot of what is on the market.

Mr Jims 2y ago

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.

HodlHomestead 2y ago

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.

SeedSigner 2y ago

Solid perspectives here. Bluetooth and NFC are great for some applications, but IMHO storing generational wealth is not one of them.

Mr Jims 2y ago

Agreed. Appreciate you guys!

Dim 2y ago

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.