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What is TAPSIGNER?

The TAPSIGNER is an elegantly designed NFC-enabled smart card that safely keeps your Bitcoin private key (XPRV) and facilitates effortless transaction signing by simply tapping it against your smartphone. With its verifiable entropy feature, you can confidently rely on the TAPSIGNER as the sole holder of your Bitcoin private key. This smart card can be easily backed up to a file, allowing it to function as a compact and portable Bitcoin wallet. Envision the convenience of having a Bitcoin private key in an easy-to-carry card format! By tapping the TAPSIGNER on your mobile device, you can sign transactions while your mobile wallet handles the majority of the processing, ensuring that sensitive information remains secure within the card. Serving as a hardware wallet, it can fit seamlessly into your everyday wallet, making it a highly practical security solution. The cost-effectiveness of the TAPSIGNER expands the availability of hardware wallet features and security measures for users around the world. Furthermore, it provides an excellent way to keep your private keys separate from other wallets, ensuring additional safety. With its card-like design, the TAPSIGNER is not just portable but also discreet, and it supports partially signed Bitcoin transactions (PSBTs) via HWI, significantly increasing its overall functionality for users. This innovative device combines convenience and security, making it an ideal choice for both novice and seasoned Bitcoin holders alike.

What is Keystone Wallet?

By utilizing QR code transmissions, we have successfully mitigated the risks associated with malware infiltration. This innovative approach enables a level of transparency that surpasses what is achievable through Bluetooth or USB connections. To ensure the integrity of every transmission that interacts with the Keystone, it is crucial to explore the verification process. The proprietary Secure Element, which adheres to bank-grade security standards, guarantees that your private keys are always safeguarded within the Keystone. It generates a truly random number to protect your private key, ensuring that your cryptocurrency assets are maintained in the highest security possible. Additionally, we provide open-source firmware that complies with BIP32, BIP39, and BIP44 standards. Keystone has set the industry standard by introducing the first open-source Secure Element firmware for hardware wallets. This allows users to verify how their private keys are derived from physically generated entropy (TRNG), which is securely confined within the Secure Element. Furthermore, we offer open-source resources such as the hardware wallet application layer, device schematic, and bill of materials (BOM), enabling complete transparency and trust in our technology. By fostering an open-source environment, we empower users to have full control and insight into their security mechanisms.

Media

Media

Integrations Supported

Bitcoin
BlueWallet
Electrum
Euler
Juicebox
Kwikswap
MetaMask
Rabby
Scroll
SushiSwap
VarenX
Wasabi Wallet

Integrations Supported

Bitcoin
BlueWallet
Electrum
Euler
Juicebox
Kwikswap
MetaMask
Rabby
Scroll
SushiSwap
VarenX
Wasabi Wallet

API Availability

Has API

API Availability

Has API

Pricing Information

$6.99 one-time payment
Free Trial Offered?
Free Version

Pricing Information

$24 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

tapsigner.com/start

Company Facts

Organization Name

Keystone

Date Founded

2018

Company Location

HK

Company Website

keyst.one/

Categories and Features

Categories and Features

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