# How to create an attestation 1. Go to https://app.mycrypto.com/sign-message 2. Connect to the site with the ownership key of your star ![](https://sfo2.digitaloceanspaces.com/dalten/sicdev-pilnup/2023.5.23..17.47.19-Screen%20Shot%202023-05-23%20at%2023.46.49%20AM.png) 3. Sign a messages that specifies which ship can access the group using the ownership key of your star ![](https://sfo2.digitaloceanspaces.com/dalten/sicdev-pilnup/2023.5.23..17.51.08-Screen%20Shot%202023-05-23%20at%2023.50.57%20AM.png) 4. Copy the JSON blob and send to ~sicdev-pilnup or ~lagrev-nocfep