The system runs two purses/wallets, cash and subsidy. The rear facing screen however only shows cash amounts, so subsidised transactions would look almost identical therefore anonymising free school meal accounts

LunchClub has a robust offline mode to support where the network is either down or intermittent. All relevant information is cached when a manager scans in inc. menus, users, allergens and balances.

The fingerprint itself isn’t stored but instead a map of key points which is then hashed (one way encryption) and securely stored. Its use is opt-in only so an alternative is required and we would recommend using a QR code. Parental consent can also be obtained and managed through the app.