💵US cash hasn't modernized, while other countries have shifted to digital and polymer notes.
💰Americans are embracing electronic payments, but cash demand is still growing.
🌍The $1 bill is losing popularity to the $100 bill, and there's speculation on its use for illegal activities.
🤒The US has tried introducing dollar coins, but it hasn't been successful.
🙌Innovations like electronic value and blockchain connections could bridge the gap in modernizing cash.