I made a hardware device to store seed phrases physically — no need to punch steel

Hey everyone I’ve been thinking about how to securely back up a crypto seed without having to engrave it into steel or rely on other irreversible methods. So I came up with my own solution — and built a working prototype.

May 28, 2025 - 10:40
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I made a hardware device to store seed phrases physically — no need to punch steel
I made a hardware device to store seed phrases physically — no need to punch steel

Hey everyone

I’ve been thinking about how to securely back up a crypto seed without having to engrave it into steel or rely on other irreversible methods.

So I came up with my own solution — and built a working prototype.

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