Seal Document
Create a permanent blockchain proof of your document
SHA-256 hash
Polygon blockchain
PDF certificate
📁
Drop file here or click to upload
PDF, DOCX, TXT, PNG — any file type
Your file is never stored. Only the cryptographic hash.
Create a permanent blockchain proof of your document
Drop file here or click to upload
PDF, DOCX, TXT, PNG — any file type
Your file is never stored. Only the cryptographic hash.