You can sign a message with your Tezos address to prove you own and control it. Alternatively, you can verify a message came from a specific Tezos address.
Click the Sign & Verify button
3. Enter your message in the textbox
4. Click Sign button.
Click the Verify tab.
To verify a message, simply paste in the 1. message, 2. signature, and 3. Tezos public address accordingly.
Click the Verify button.
When all the information is correct, the Signature is confirmed.