Get an EIN, it's free and easy to get online, only takes a few minutes. You can use this in place of your SSN. Do a Google search for "apply for ein".
i dont provide any sensitive info (SSN/EIN) to a network until it's time to get my first payment from them. if you're like me and you're joined up at dozens to randomly look for certain types of offers, that might be something you want to practice