🌿 Certify & watermark
Add a document. It is hashed in your browser with SHA-256 — the file never leaves your device, only its 64-character fingerprint is sent. Images also get a visible logo and an invisible GreenQubyte watermark.
Drop a file here, or click to choose
🔎 Verify & authenticate
Drop a file to check it against the ledger and scan it for the GreenQubyte watermark. Also entirely on-device — nothing is uploaded.