CYF4:

document management system + private blockchain
CYF4 Blockchain is a private blockchain document management technology that uses secure cloud storage and QR-code document verification.
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How it works?

FREE registration and secure cloud storage:
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Register new account online
Create a free account with just a few clicks and start adding documents
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Upload and sync your documents
Benefit from secure cloud storage and enhanced security
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Manage your documents
Upload, search, and QR-code document verification in your web browser
Sign up
to create a new account in just a few seconds
Sign in
to access your documents if you already have an account

Get In Touch

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PO Box 2628 La Jolla CA 92038 USA
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Careers

Seeking Beta testers.
We are now looking for skilled (web apps) Beta Testers. Flexible schedule and free CYF4 License. If interested Submit your info here.
Looking for a web designer.
We are now looking for a talented web designer. Flexible schedule. Submit your resume here, C/O HR.