Product checker

ProductChecker is the mobile app for managing product ownership in post supply chain (when the product leaves shop).

It's built as a smart contract on ethereum blockchain, which means it's impossible to counterfeit given product, or to for example cheat while reselling item to another person.

It can be used whereever there is a huge resell market and high posibility of counterfeiting items (for example streetwear market).

Technologies stack

Backend
- Contract is built using Solidity. Json version
- Ethereum Kovan testing network is used for hosting our contact
- Infura for deploying contract to blockchain network
Frontend
- Mobile app is built with flutter
- Web3dart for making calls to Ethereum Kovan network.

Use cases

Producer writes productCode and manufacturerCode to NFC tag located on the product through the app
Supplier or client can
- scan NFC tag to verify if product isn't fake (check the current owner, productCode)
- ship product to the buyer using his/her Ethereum wallet key.
- receive product by scanning its' NFC tag