Keystone WalletKeystone
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Related Products
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About
Copperhead is an open source AI engineering platform that helps hardware teams design, verify, and ship circuit boards. You describe a change or provide a product brief, and the agent edits real KiCad files, updates the documents that reference them, and runs KiCad’s own checks until they pass. Its end-to-end workflow moves through specification, architecture, parts selection, schematic, layout, outputs, firmware, and development planning, with each stage required to leave a real artifact on disk before the next begins. Gates verify budgets, subsystem reasoning, datasheet-backed part numbers, ERC-clean schematics, DRC-clean layouts, generated Gerbers, firmware sources, and written bring-up plans. Copperhead is also designed for existing boards: point it at a KiCad repository, initialize the project, and ask for changes. Edits are surgical changes to KiCad source files, keeping diffs small and reviewable while untouched portions remain unchanged.
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About
100% air-gapped QR code solution Cold wallet. First hardware wallet Integrated with MetaMask Mobile. By using QR code transmissions, we have eliminated potential malware infiltration risks and delivered a level of transparency that just isn't possible with Bluetooth or USB. A proprietary bank-grade Secure Element ensures your private keys never leave the Keystone. The Secure Element generates a true random number for your private keys and is vital to ensuring your crypto assets are stored in the safest way possible. Our BIP32, BIP39, and BIP44 compliant firmware is also open source. Keystone has pioneered the hardware wallet industry’s first open source Secure Element firmware. It allows you to see how private keys are derived from physically generated entropy (TRNG) and stay entirely confined within the Secure Element. Our hardware wallet application layer, device schematic (circuit diagram), and bill of materials (BOM) are also open source.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Hardware engineers and electronics teams searching for a solution to design, modify, document, and verify circuit boards with an AI agent working directly on real KiCad projects
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Audience
Anyone searching for a cold storage solution to manage their crypto assets through QR code transmissions
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$49 per month
Free Version
Free Trial
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Pricing
$24 one-time payment
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCopperhead
Founded: 2026
India
copperhead.sh/
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Company InformationKeystone
Founded: 2018
HK
keyst.one/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
BlueWallet
Electrum
JSON
Juicebox
KiCad EDA
Kwikswap
MetaMask
Rabby
Scroll
SushiSwap
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Integrations
BlueWallet
Electrum
JSON
Juicebox
KiCad EDA
Kwikswap
MetaMask
Rabby
Scroll
SushiSwap
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