Whoa. Never buy a closed source hardware wallet bought from a third party. Trying to save a few dollars could mean you buy a device that's been tampered with, even if it's sold as new. I wouldn't even buy an open source hardware wallet from a third party.
yeah i know its not recommended. i thought the worst thing that could happen is they fill in the seed phrase for you hoping you won't generate a new one. i heard about that scam but apparently there's other scams.
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Maybe you're thinking "Hang on! You said to buy a Yahboom from AliExpress!" The Yahboom K210 Visual Module is not a hardware wallet. It's a mini computer that runs micro python & can be used for any purpose. It's not a hardware wallet until you load hardware wallet software onto it. At some point, I may buy myself a backup Yahboom, but next time, I'd buy it with a robot kit for the fun of it. When I want to use it as part of a robot, I'll flash the robot code onto it. When I want to use it as a hardware wallet, I'll flash Krux onto it. It takes less than a minute to flash Krux onto one of these devices. You download Krux from Github and follow the instructions. Or, I think they have an installer too, but I just run a command in Terminal to install it.
why not just buy a second yahboom for the robot thing. seems like it would be a hassle having to switch back and forth between the robot and bitcoin wallet. anyhow i had never heard about this yahboom and krux thing it must be some highly kept secret but it's exactly what i have been looking for i think
