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Going to the store these days looks much different with the rise of digital vouchers and coupons. An innovative approach is the "Welcome Reward" solution, which uses QR codes at stores to generate time-sensitive digital rewards. This encourages customers to make a purchase before they leave and expires when they exit, adding an element of urgency. With this new approach, gone are the days of searching through your wallet for outdated paper vouchers and coupons!

Furthermore, as an option, you can reward your customer with Bitcoin in a small unit called Satoshis.