BitPay makes it easy to accept bitcoin payments in your retail store.
Mobile Checkout from BitPay allows businesses to receive bitcoin payments using their smart phones.
In a retail setting, the business has the BitPay Mobile Checkout app on a smart phones. The employee fills in the order number and total.
When the transaction is completed, you will receive an on-screen alert, with the option to receive a push notification to your server.
iPhone & iPad
BitPay's Payment Gateway API can be added to any retail point-of-sale system that can access the Internet.