Can I refer a friend to Coinbase?

Could you please elaborate on the process of referring a friend to Coinbase? I'm interested in understanding the steps involved and any potential benefits for both the referrer and the referred friend. Specifically, I'd like to know if there are any referral bonuses or incentives for successfully referring a new user, and how easy the referral process is to complete. Additionally, is there any limit on the number of friends I can refer, and are there any restrictions on who can be referred? Thank you for your assistance in clarifying this process.