Sign a Message
There are several services that require authentication to sign in. For example, Lightning Network+ or Amboss.space. To sign a message to log in to these services, follow the following steps:
Get the message to sign from the service you are looking to log in to. For example, in this screenshot we are looking to log in to Lightning Network+. Copy the message to sign by clicking the Copy button.
2. Access your Thunderhub dashboard. You can do this by clicking the Thunderhub icon on your Voltage node dashboard and logging in using your node password.
![Document image Document image](https://images.archbee.com/CGGF0VLgJQypTJbZ1FbQy/CjFmv0-sfBOASi0TE2owO_image.png?format=webp)
3. Once on your Thunderhub dashboard, click Tools, and then click Sign.
![Document image Document image](https://images.archbee.com/CGGF0VLgJQypTJbZ1FbQy/jkPRCYFqMwJtWZxFR7Ro4_image.png?format=webp)
4. Paste in the message to sign from step 1, and then you will be given another string of characters.
![Document image Document image](https://images.archbee.com/CGGF0VLgJQypTJbZ1FbQy/-3ay40dDBBQLynhxN1zRq_image.png?format=webp)
5. Copy this and paste the signature in the box to sign in to the service.
![Document image Document image](https://images.archbee.com/CGGF0VLgJQypTJbZ1FbQy/-GMf_jY4TJnUH-SsID6Hf_image.png?format=webp)
![Doc contributor](https://s3.amazonaws.com/archbee-animals/dog.png)