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What is HashKey Custody?

HashKey Custody offers a secure storage solution for digital assets, adhering to the high standards set by institutional and professional investors. With the HashKey Wallet application, users can easily deposit and manage their digital holdings. Furthermore, HashQuark provides enterprise-level staking services that are secure, stable, and user-friendly, supporting all major Proof of Stake blockchains through a global infrastructure. The wallet solutions employ advanced encryption techniques, strong private key safeguards, and multi-layered authentication to guarantee top-notch security. As a leader in the realm of digital asset management and blockchain solutions, HashKey Group presents a holistic ecosystem that encompasses all facets of digital assets, including capital, custody, technology, trading, and exchanges. The senior leadership team at HashKey possesses significant expertise in investment, governance, and technology, having collaborated with prominent banks, regulatory agencies, and fintech firms. This wealth of experience empowers HashKey to remain at the forefront of innovation and agility in the fast-changing digital asset environment. Their commitment to excellence ensures that their clients can trust in the security and reliability of their services.

What is FXProof?

When an exchange rate used in a business record must be explained months or years later, a saved webpage or spreadsheet value may not be enough. FXProof creates a reusable evidence package that links the chosen official source and date to a digitally signed proof document. Each package includes the rate context, document ID, payload hash, signature information, and details needed for independent verification. Teams can use these records with invoices, expense reports, bookkeeping files, tax workpapers, audit requests, control reviews, and disagreements over historical rates. The service covers official data from the ECB, HMRC, the U.S. Federal Reserve, the Bank of Canada, and Kazakhstan’s national bank. Users can work through the browser or connect through the API. Public verification is available for recipients who need to check an existing FXProof document.

Media

Media

Integrations Supported

Crypto Backoffice
CryptoTax360°
Darwinia Network
HashKey Me
Mask Network
Polyhedra
bitsCrunch

Integrations Supported

Crypto Backoffice
CryptoTax360°
Darwinia Network
HashKey Me
Mask Network
Polyhedra
bitsCrunch

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

Free; From €59/month
Free Basic plan includes up to 1,500 API requests and 5 proof bundles per month, with access to one year of historical data.

Paid plans start at €59 per month. Higher-volume plans provide increased API and proof limits, higher request capacity, and access to a deeper historical archive.

Monthly and annual billing options are available. Searching for a proof, reusing an existing proof bundle, and downloading it again do not consume an additional proof allowance.
Free Version
Free Trial Offered?

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

HashKey Group

Company Location

Hong Kong

Company Website

www.hashkey.com/business-lines/custody/

Company Facts

Organization Name

FXProof

Date Founded

2025

Company Location

Kazakhstan

Company Website

fxproof.org

Categories and Features

Categories and Features

Compliance

Archiving & Retention
Artificial Intelligence (AI)
Audit Management
Compliance Tracking
Controls Testing
Environmental Compliance
FDA Compliance
HIPAA Compliance
ISO Compliance
Incident Management
OSHA Compliance
Risk Management
Sarbanes-Oxley Compliance
Surveys & Feedback
Version Control
Workflow / Process Automation

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