# REY X/Twitter Score ZK certificate (GIP-4)

### REY X/Twitter Score Data

The following table list the REY X/Twitter Score data contained in a Galactica zkCert. These need to be collected and validated by the Guardian.

<table><thead><tr><th width="232.33333333333331">Key</th><th>Description</th><th>Technical details</th></tr></thead><tbody><tr><td><code>xID</code></td><td>Numerical twitter ID.</td><td>UTF-8 String. See an example and learn more <a href="https://developer.x.com/en/docs/x-ids">here</a></td></tr><tr><td><code>xUsername</code></td><td>X/Twitter screen name, handle, or alias that this user identifies themselves with.</td><td>Only latin letters, numbers or underscore are allowed. From 4 to 15 symbols. Case insensitive: before hashing it will be converted to lowercase. Lean more <a href="https://help.x.com/en/managing-your-account/x-username-rules">here</a></td></tr><tr><td><code>reyScoreAll</code></td><td>Total Rey score of the user</td><td>Whole number</td></tr><tr><td><code>reyScoreGalactica</code></td><td>Score of the user that relates to Galactica.</td><td>Whole number</td></tr><tr><td><code>reyFaction</code></td><td>User faction that depends on the score.</td><td>Whole number</td></tr></tbody></table>


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