Referral rules

A referral code cannot credit its own account or another account of the same owner. A shared card fingerprint between the referred account, referrer, or another account referred by that referrer blocks both referral credits. More than 50 accounts on one non-free email domain blocks referral credits. A referrer is paused when disputed referred accounts exceed 5% of paid referred accounts; a paused referrer earns no new credit, while a referred account keeps its own bonus. Refunds and disputes reverse earned credit and qualifying bonuses. The product plan also calls for device and paid brand-ad rules, but neither rule is built yet. Multi-level referrals are not allowed.