Gemini is a financial institution — as a New York State-chartered trust company, we are required by law to collect your SSN/SIN in order to comply with the Bank Secrecy Act (BSA) and anti-money laundering (AML) rules and regulations. To learn more about how we safely and securely store this information, please refer to our Security page (https://gemini.com/security/) for a description of the security design we employ.