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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 Bitkey?

Bitkey presents a reliable and user-centric approach to managing bitcoin assets. This cutting-edge platform integrates a mobile application, a specialized hardware device, and a suite of recovery tools to simplify the process of self-custody. The wallet is made up of three pivotal components: 1. A user-friendly mobile application that allows individuals to securely manage their bitcoin assets while enabling connections with partners for transactions involving buying, selling, or converting between fiat and bitcoin. 2. A dedicated hardware device that bolsters transaction security and acts as a self-service recovery tool in situations where the mobile wallet is lost. 3. A comprehensive array of recovery tools designed to guide users in regaining access to their wallets, complete with a clear protocol to provide necessary support and peace of mind during difficult times. By combining these features, Bitkey strives to create an effortless experience for both novices and seasoned bitcoin enthusiasts, ensuring that everyone can navigate the world of cryptocurrency with confidence. Furthermore, the platform continually updates its offerings to stay ahead of emerging security threats and user needs.

Media

Media

Integrations Supported

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

Integrations Supported

Bitcoin

API Availability

API Availability

Pricing Information

Pricing not provided

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

Android
iPhone
iPad

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Coinkite

Date Founded

2012

Company Location

Canada

Company Website

coldcardwallet.com

Company Facts

Organization Name

Block, Inc.

Date Founded

2009

Company Location

United States

Company Website

bitkey.build/

Categories and Features

Cold Wallets

Not specified

Crypto Wallets

Not specified

Categories and Features

Cold Wallets

Not specified

Crypto Wallets

Not specified

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