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ProofIt | Blockchain Certificates for Digital Ownership
Timestamp and hash any file to create tamper-proof proof of authorship. Verify certificates instantly with a public blockchain record.
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90 % |
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Digital Timestamps - Protect your intellectual property
Stop people stealing your ideas. We create a unique identifier to the content of your work and store it on the blockchain. This identifier is recorded foreve...
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87 % |
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Private Notary — Prove it existed. Without revealing it.
Create independently verifiable cryptographic proof that your file existed — without uploading it. Evidence is timestamped on the Solana blockchain. €4.50 on...
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86 % |
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Blockchain Timestamping & Document Certification | Certelo
Blockchain timestamping for digital documents. Create verifiable proof of existence without uploading your file or creating an account.
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86 % |
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DataMirror — Immutable Proof on Solana
Immutable proof of file integrity on Solana blockchain. Verify file authenticity with cryptographic hashing. Your data never leaves your device. Zero-knowled...
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85 % |
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ProveFile - Verify File Ownership On-Chain (No Upload Required)
Prove your media is human-made. Anchor cryptographic fingerprints on Solana, keep originals local, and hand teammates a proof they can trust in seconds.
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85 % |
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MyFileSeal | Blockchain Notary
Secure your documents on Polygon Blockchain.
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85 % |
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Proof On - Blockchain Proof of Existence & Document Verification Platform
Enterprise-grade blockchain-based proof of existence platform. Cryptographically prove your digital assets existed at a specific time, detect tampering insta...
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85 % |
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Immutable Proof for Your Ideas — Patum Blockchain Certificate
Upload your file and get trusted, timestamped evidence. Patum is a blockchain service for protecting ideas, documents, and files.
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85 % |
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Certelo - Blockchain Document Certification
Create cryptographically verifiable certificates for any digital document. No registration required. Blockchain-backed verification.
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85 % |
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Certelo - Blockchain Document Certification
Create cryptographically verifiable certificates for any digital document. No registration required. Blockchain-backed verification.
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85 % |
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Upload to Blockchain — Permanent proof of existence
Prove a file existed. Drop it, get a permanent, publicly verifiable timestamp stored forever on Arweave, optionally sealed into the Bitcoin blockchain.
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84 % |
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WhenVerified - Timestamp Certification Service
WhenVerified - Trusted timestamp certification service. Establish undeniable proof of when your documents, files, and intellectual property were created.
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84 % |
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TruthTrace - Verify Digital Content Authenticity with Blockchain
Combat misinformation with blockchain-powered verification. Verify content origins, detect deepfakes, and prove authenticity with immutable blockchain timest...
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84 % |
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OZO Proof — Verify Certificates Without Storing Them
OZO Proof is a blockchain-based certificate verification platform that creates tamper-proof cryptographic proofs without storing documents. Private, secure,...
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84 % |
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vtimestamp — Decentralized Document Timestamping on Verus
Prove when your documents existed. Decentralized, immutable, privacy-preserving timestamps on Verus blockchain.
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84 % |
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VDX API Blockchain Self-serve API | Vizidox
The VDX API is a revolutionary blockchain solution that enables developers to verify and authenticate any digital asset. Learn more today!
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83 % |
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Cimea - App Notarizzazione
|
83 % |
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Blockchain Document Attestation | ProofGate
Prove any document existed at a specific moment in time. Powered by Solana blockchain.
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83 % |
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Prove it in seconds. Verify it forever. - Proof Integrity
Prove your files existed at a point in time. Instant RFC 3161 certificate plus automatic worldwide blockchain anchoring. Free to start.
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83 % |
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