Which innovative payment system was specifically developed to address Islamic banking principles while still offering modern retail functionality?

In today's interconnected world, religious institutions and spiritual organizations have embraced modern retail technologies and trends to better serve their communities. This trivia question explores how religious retail has evolved, particularly in payment systems that accommodate both traditional practices and contemporary needs. Test your knowledge about the intersection of faith, commerce, and technology!

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Halal Pay - A blockchain-based system that automatically filters transactions according to Sharia compliance rules
Faith Token - A cryptocurrency that donates 10% of each transaction to religious organizations of the user's choice
Sabbath Switch - A payment platform that automatically delays transactions initiated during religious observance periods
Tithe Direct - A subscription-based donation system that calculates optimal giving amounts based on religious texts