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What is COLDCARD?

Physical Security measures are enhanced through the use of a specialized chip that protects your secret seed words and ensures that sensitive information is securely stored. The software is open source, giving users the flexibility to compile it independently if desired. This hardware wallet uniquely allows for a completely offline experience, supporting all processes from seed generation to the approval of transactions without needing an internet connection. It features native support for PSBT (BIP174), which significantly boosts its usability. With a full-sized numeric keypad, entering your PIN is made easy and efficient. The design is minimalistic and straightforward, avoiding excessive packaging with unnecessary boxes or cables. A vibrant 128x64 pixel OLED display shows all crucial transaction information clearly. To keep your private key secure, a dedicated crypto security chip is employed, isolating it from the main microcontroller's flash storage. Proudly crafted in Toronto, Canada, it boasts a reliable supply chain, reinforced by a tamper-evident bag that is numbered, with this information logged within the device. Moreover, it includes an integrated MicroSD card slot for backup and data storage, allowing for completely offline transaction signing through sneakernet, which ensures that your crypto assets are well-protected and remain out of reach from potential threats. This combination of features makes it an exceptional choice for anyone prioritizing security in their cryptocurrency transactions.

What is Blockstream Jade?

For the utmost safety of your Bitcoin and Liquid asset keys, it is essential to keep them securely stored offline. To enhance your security even more, you might want to explore Blockstream Green’s cutting-edge Multisig Shield technology. Managing your assets is convenient with access available on both mobile and desktop devices, and the Blockstream Jade hardware wallet is compatible with Blockstream Green across Android, Windows, macOS, and Linux operating systems. Equipped with a vibrant display measuring 240x135 pixels in 16-bit, the Blockstream Jade allows you to directly showcase QR codes and effortlessly verify send and receive addresses on the device itself. Blockstream Green is recognized as a leading wallet solution for Bitcoin and Liquid assets, providing essential features such as multisig security, full-node validation, and support for Tor networks. Before you begin utilizing the device, make sure to connect the Blockstream Jade to a power source using the provided cable and charge it for at least two hours to ensure optimal performance. Once charged, carefully follow the verification steps to accurately record each word of your recovery phrase, and prioritize keeping this recovery phrase in a secure location to shield your assets. This careful procedure not only helps protect your investments from potential risks but also strengthens your overall financial security, providing peace of mind as you navigate the digital asset landscape. Additionally, regularly revisiting your security measures can further enhance your protection against evolving threats.

Media

Media

Integrations Supported

Sparrow Wallet
BTCPay
Bitcoin Core
Casa
Electrum
Liquid Assets Point of Sale
Sparrow
Specter Wallet
Unchained Capital
Wasabi Wallet

Integrations Supported

Sparrow Wallet
BTCPay
Bitcoin Core
Casa
Electrum
Liquid Assets Point of Sale
Sparrow
Specter Wallet
Unchained Capital
Wasabi Wallet

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

$45.99 one-time payment
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Coinkite

Date Founded

2012

Company Location

Canada

Company Website

coldcardwallet.com

Company Facts

Organization Name

Blockstream

Date Founded

2014

Company Location

United States

Company Website

blockstream.com/jade/

Categories and Features

Categories and Features

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