Create a temporary identity, sign a message and check its signature in your browser. Change the message to see verification fail. The private key stays in memory and is non-exportable. This experiment demonstrates Ed25519 signatures, not registration, trust or hosted peer delivery.
01
Create a temporary identity
The private key is non-exportable and held in memory. This page does not store it or send it to a server.
Public key Ed25519 · hex
02
Sign an exact message
Use sample text. Do not enter secrets. Editing this message does not replace the saved signature.
Signature hex
03
Check, change, check again
Verify the signature against the current message. Tampering changes the message while keeping the original signature.
Ready. Create an identity to begin.
Page content reviewed . This is a content review date, not a new release or live-service acceptance.