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Beiner 2y ago

You don't even need to buy a hardware wallet if you have a old phone laying around. You can use that set up a blue wallet multi signature and air gap it with the other phone. Boom bye 👋 lol

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WilliamHodl 2y ago

Great idea!!

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xiangcai 2y ago

yes, a pretty good interim cold storage method and I'm using🤣

though we'd consider 2 constraints -

1. camera of the old phone shall keeps working.

2. this diy hardware is only compatible with blue wallet.