To earn up to 50€ with Iban Wallet referral reward you need to signup using an Iban Wallet referral code or link and invest money. Depending on how much money you invest you will get different kind of rewards. With Iban wallet there are four level of rewards: Light: 10€ invested / 1€ earned - Basic: 500€ / 10€ offered - Smart: 1000€ / 25€ - Pro: invest 2000€ / get 50€ offered