Keycard Shell

Light design, heavy security - an open hardware wallet

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April 24, 2025 First batch of pre-orders came in

Hey Hackers! Today we hit our first big milestone: a handful of Shell prototype devices rolled off the line, and we received our first batch of pre-orders

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April 1, 2025 Building open hardware from scratch

When you surveyed the hardware-wallet space you find a few big players. Mostly liked by customers, outside of a few mishaps. Now, we found our niche in open source, and new security trade-offs.

Then we jumped into building.

Now with a few pre-orders in, and the production line rolling.

Anybody else experience with open source hardware?

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  1. 1

    If you need help uploading products or managing content on Shopify store, I’ve worked with a few brands and I’m open to collabs.

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Hardware wallets today lock users into closed architecture, with upgradeable secure elements that even export keys during signing. We built Shell 100% open-source, with interchangeable, credit card-like smart cards