Why do I need to provide my Social Security number?
We are required by law to collect and verify certaininformation about our customers. To withdraw your funds, WePay requires personal information, such as legal name, date of birth, permanent address, and Social Security Number.
WePay is required by law to collect a SSN before you can withdraw your funds.
You can read more on their explanation of the matter here.
Don't worry, this information is securely encrypted.