Immediately! Once the friend you invited has successfully completed their registration with the payzy app, within the time frame of the promo (see here), you will receive 10€ in your payzy wallet and your friend will receive in the ‘Coins’ section the 1000 Coins they are entitled to, which are worth 10€, and which they can redeem in their payzy wallet, to do whatever they want with, without any restriction whatsoever.