A credit card sized wallet for cold storage of crypto currencies. ADA and your Cardano tokens.
The Tangem wallet connects to a device using NFC technology, meaning that it can only be connected to devices (phone and tablets) that are NFC enabled.
Tangem is used via a mobile or tablet app (both Android and iOS) that allows to user to view, store and spend their cryptocurrencies.
The private keys to a Tangem wallet can be associated with up to three cards, meaning that backups can be created in case you lose your Tangem card.
Once scanned a user needs to enter an access code or pin to access the wallet on the card.