COLDCARD

COLDCARD

Coinkite
+
+

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About

Physical Security. Your seed words are stored in a specialized chip, designed to securely store secrets. All code is open source, and you can compile it yourself. Only hardware wallet with option to never be connected to a computer, for full operation: from seed generation, to transaction signing. Uses PSBT (BIP174) natively! Full-sized numeric keypad makes entering PIN easy and quick. Simple packaging, plain design, no fancy boxes, no redundant cables. Bright, 128x64 pixel OLED screen. Shows all the critical details of your transactions. Real crypto security chip. Your private key is stored in a dedicated security chip, not the main micro's flash. Lovingly soldered in Toronto, Canada. Secure supply chain verified with: tamper-evident numbered bag, with bag number recorded into device. MicroSD card slot for backup and data storage. This allows truly offline signing, by transferring the unsigned/signed transactions on sneakernet.

About

Fully offline hardware wallet, your private keys are never exposed to any online device. Built in partnership with world leaders in nano-technology & hardware security. The most advanced wallet generation process in the world. NGRAVE provides a mobile app to directly sync all the generated accounts from the ZERO. That way, the user can easily consult his real-time balances or ask to receive a transaction. Communication between the ZERO and the app occurs through QR-codes. This way, the app never has access to the secret keys on the ZERO. Hence, the secret keys are never exposed to any online attack vector. Not even when signing transactions. Create a computationally unique, unbreakable, & unpredictable secret key with a strong True Random Number Generation (TRNG) process. NGRAVE takes into account & radically improves every single step of the user journey. The coldest wallet generation & management.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Individuals searching for a crypto wallet solution to store assets and secure transactions

Audience

Individuals requiring a digital asset security solution to secure their cryptocurrency assets

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Coinkite
Founded: 2012
Canada
coldcardwallet.com

Company Information

NGRAVE
Founded: 2018
Belgium
www.ngrave.io

Alternatives

Alternatives

TAPSIGNER

TAPSIGNER

Coinkite
Bitkey

Bitkey

Block, Inc.
Cypherock X1

Cypherock X1

Cypherock
COLDCARD

COLDCARD

Coinkite
Ledger Stax

Ledger Stax

Ledger

Categories

Categories

Integrations

BTCPay
Bitcoin
Bitcoin Core
Casa
Electrum
Ethereum
Sparrow
Sparrow Wallet
Specter Wallet
Unchained Capital
Wasabi Wallet

Integrations

BTCPay
Bitcoin
Bitcoin Core
Casa
Electrum
Ethereum
Sparrow
Sparrow Wallet
Specter Wallet
Unchained Capital
Wasabi Wallet
Claim COLDCARD and update features and information
Claim COLDCARD and update features and information
Claim NGRAVE and update features and information
Claim NGRAVE and update features and information