Features
Professional blockchain protection for your documents
Immutable Bitcoin seal with tools no other service offers
What does each seal include?
Bitcoin Seal
Your document is permanently anchored on the Bitcoin blockchain with immutable cryptographic proof
Downloadable .ots File
Recibís el archivo .ots con la prueba criptográfica que podés verificar de forma independiente
Email Notifications
We notify you when the seal completes and is available to download
Exclusive Professional Features
Tools that only BTCSeal offers
Automatic Public Certificate
Each seal generates a permanent public URL that allows verifying document authenticity without installing software or uploading files.
- Instant access without registration
- Professional verification in one click
- Share proof easily
- Clear interface for non-technical users
Protection QR Banner
We automatically generate a professional PNG banner with QR code pointing to your public certificate. Perfect for emails and documents.
- Professional corporate design
- Mobile-scannable QR
- Immediate download by email
- Deters unauthorized modifications
Public Access URL
Share a unique permanent URL with clients, partners or authorities. Independent verification without needing original files.
- Permanent immutable URL
- Complete forensic data visible
- Bitcoin Block + TX ID included
- Suitable for legal contexts
More BTCSeal Advantages
Total Privacy
Your file is processed in your browser. Only the hash (fingerprint) is sealed, never the document content.
Permanent and Immutable
Once sealed on Bitcoin, your proof is permanent. No one can modify or delete it, not even BTCSeal.
Fast and Automatic
The system processes your seal automatically. You'll receive email notification when it's complete.
Independent Verification
Anyone can verify your seal using standard OpenTimestamps tools, without relying on BTCSeal.
Ready to protect your documents?
Start sealing documents on the Bitcoin blockchain
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