Prove. Verify. Trust.
Enterprise-grade blockchain-based proof of existence platform. Cryptographically prove that your digital assets existed at a given time and detect any tampering instantly.
No credit card required • 14-day free trial • Cancel anytime
99.9%
Uptime SLA
10M+
Documents Verified
50ms
Average Response
256-bit
SHA-256 Security
Why ProofOn?
Enterprise-grade security meets blockchain immutability
Blockchain Immutability
Your documents are anchored on Polygon blockchain, creating an immutable, timestamped record that cannot be altered or deleted.
Tamper Detection
Instantly detect if any file has been modified since proof creation. Our SHA-256 hash comparison ensures 100% accuracy.
Legal-Grade Evidence
Generate verifiable certificates that can be used as legal evidence in disputes, IP protection, and compliance audits.
Enterprise Security
Bank-level encryption, secure storage, and comprehensive audit logs. Your data is protected with industry-leading security standards.
Lightning Fast
Verify documents in seconds. Upload any file and get instant tampering detection results with blockchain verification.
API Integration
RESTful API with comprehensive documentation. Integrate Proof On into your existing workflows seamlessly.
Simple, Transparent Pricing
Choose the plan that fits your needs
Ready to Secure Your Digital Assets?
Join thousands of businesses trusting Proof On for cryptographic proof of existence.
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