20201106_rev01 → 20210216_rev01COLOUR MARKS THE SEVERITY OF A FLAGGED CLAUSE · + AND − MARK ADDED AND REMOVED
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**Security**
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We record IP addresses when requests are made to identify & prevent fraud and to protect the integrity of the service. We also monitor how the account is used, for anti fraud and to maintain the reliability and performance of the service.
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## E-mail
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If you ask us to keep in touch with you by email, we will use SendGrid or MailChimp to contact you. This is certified under the EU-US Privacy Shield agreement, which provides [safeguards](https://www.privacyshield.gov/Individuals-in-Europe) intended to be equivalent to those provided in the EU. Every email we send like this includes an unsubscribe link.
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If you ask us to keep in touch with you by email, we will use SendGrid or MailChimp based in the United States to help us contact you. The processing of personal data on our behalf is subject to a range of measures to help safeguard your personal data including the use of EU standard contractual clauses. Every email we send this way will also include an unsubscribe link.
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## Minimum age to join Uphold or Gemini
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The [minimum age](https://support.uphold.com/hc/en-us/articles/360000883326-What-is-the-minimum-age-to-join-Uphold-) to join Uphold is 18 years old. The [minimum age](https://gemini.com/legal/user-agreement) to join Gemini is also 18 years old.