Janus takes in everything that arrives — without ever opening it — seals it, and knows the instant anything changes. Paste or edit a document below and watch. This is live.
Next → recognize a known threat without the file ever moving — the safe exchange
A live demonstration. Every arrival is sealed and its proof recorded server-side in a signed, self-verifying ledger; the smallest change produces a completely different proof, so tampering is caught by construction. We keep only the proof — never your content (held in memory, capped, and cleared). The safe/unsafe verdict is supplied by a threat database of your choice; Janus is the provable front door in front of it. And because only the proof ever moves — never the file itself — even dangerous code can be recognized and matched without anyone ever having to handle it. Not for distribution.