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Secure Document Management
on Blockchain
Docuper guarantees that your documents are registered in a blockchain, providing tamper-proof verification and permanent security for your important files.Register documents on the blockchain for tamper-proof verification and permanent security.
Join over 250,000 business professionals using Docuper today
Why Choose Docuper?
Experience the future of document management with cutting-edge blockchain technology. Security, efficiency, and ease of use—all in one place.
Blockchain Security
Your documents are secured on the Polygon blockchain, ensuring tamper-proof verification and permanent storage.
Document Verification
Verify the authenticity of any document instantly with our blockchain-based verification system.
Digital Fingerprinting
Each document gets a unique SHA-512 digital fingerprint for complete security and traceability.
Easy Sharing
Securely share your verified documents with others while maintaining full control and transparency.
Immutable Records
Once registered, your documents cannot be altered or deleted, providing permanent proof of existence.
Fast & Efficient
Quick document registration and verification process powered by Polygon blockchain technology.
Only 4 Easy Steps
Get started with Docuper in just a few simple steps. From identity verification to keeping your original file, the process is straightforward and secure.
1
Verify your identity
Fill out the registration form and verify your identity. This is the same process when you go to a notary and it's necessary to be fully compliance. Buy credits to notarize your documents immediately.
2
Register the document
Upload your document at the dashboard, with a title and a description, and click the button. We'll register a file digital fingerprint and time stamp in blockchain in a few seconds.
3
Download the receipt
Download your receipt with all the transaction data and access to the historical of notarized documents. Remember: we don't keep your original files.
4
Keep the original
To maintain the validity of the registration it is essential to present the exact same file you registered. The verification process detects the smallest modifications.
Blockchain document notarization you can trust
Docuper lets you register documents on the Polygon blockchain with a permanent, tamper-proof digital fingerprint. Notarize, verify, and share critical files with cryptographic proof of authenticity—without storing your originals on our servers.
- Permanent records on Polygon blockchain
- Instant verification anytime, by anyone
- For individuals, teams, and enterprises
Your files stay yours—we only secure the proof
We create a unique hash of your document and store it on the blockchain in seconds. You keep the original file; we never hold it. Anyone can verify authenticity using the receipt—ideal for contracts, certificates, and compliance-heavy workflows.
- You keep full control of your documents
- Receipt with transaction data and history
- Aligns with regulatory and legal standards
Built for compliance and legal readiness
Docuper’s blockchain receipts and verification flow are designed to support audit trails, regulatory requirements, and legal evidence. Share proof of document existence and integrity with authorities, partners, or courts without sharing the files themselves.
- Audit-ready records on Polygon
- Shareable verification links and receipts
- No central point of failure
Frequently Asked Questions
Common questions about blockchain document management
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Ready to get started with Docuper?
Secure your documents on the blockchain. Notarize, verify, and share with tamper-proof proof—all in one place.