It's unlikely that we will see a completely paperless payment system globally in the near future. Significant portions of the world, particularly in less developed regions, still suffer from unreliable internet connectivity, which is essential for digital transactions. Additionally, there's a considerable demographic, primarily the older generation, who are accustomed to cash and may resist transitioning to digital methods. Moreover, in many rural and remote areas, cash remains an indispensable part of the economy, serving as the backbone for daily transactions.