Create a Sealed Proof

Anchor a proof of your content permanently on the Bitcoin blockchain

Content
Choose your input type and visibility
Drop a file here, or click to choose (≤ 10 MB)

Private Mode: Your content never leaves this device. The hash is calculated locally in the browser. Only the hash is stored on Bitcoin.

Pricing
Fixed price for all submissions
One-time payment
How It Works
1

Write Content

Enter your text and choose visibility settings

2

Pay & Anchor

Choose payment method and wait for Bitcoin confirmation

3

Verify

Download proof and verify on Bitcoin blockchain

Privacy & Security

Public Mode

Text stored on backend and displayed on proof page

Private Mode

Text never leaves your device, only hash is stored