BitTag is a physical price tag that creates a seamless integration between Bitcoin (or any another digital cryptocurrency) transactions and "bricks and mortar" retail stores.
Once set up, the BitTag hardware displays information such as the product name, price in USD (or other local currencies) and the real-time price in Bitcoin. If the Bitcoin value suddenly fluctuates, the price on BitTag will instantly reflect this. The customer, therefore, instantly knows how much the item is worth, whilst the retailer does not incur any financial loss if the value of the Bitcoin changes.
Each BitTag is managed with the assistance of an accompanying iPad app. The app can either be used to setup the Tag or process the digital Bitcoin transaction by simply placing the BitTag on the screen. Alternatively, the Bitcoin transaction can be activated by a simple 'shake' of the BitTag hardware, enabling a Bitcoin QR code to be displayed on the OLED display and scanned by the user's smartphone, using standard apps like BlockChain.
The prototype hardware technology inside includes a Bluetooth low energy (BLE 4.0) chip for communication to and from the app, Microprocessor (similar to Arduino), OLED display, accelerometer, rechargeable LiPo battery and a 3D printed design.
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