What is the legal ruling on the financial transactions offered by the "Fulspey" website for buying and selling prepaid cards and electronic services, which include commissions on merchants and agents, and a rewards system for marketers, taking into account the nature of these transactions and their operational mechanism?

The work of the aforementioned company is permissible in principle, as it is between a seller and an agent for both the seller and the buyer, and selling and agency are permissible contracts. As for prepaid cards, they are covered credit cards, and the sale of the card by the company or its agent is an exchange (sarf) that requires actual or constructive possession. The crediting of ten dollars to the client's account is considered constructive possession, which makes the transaction valid if it occurs immediately, based on the resolution of the Islamic Fiqh Academy.