tangem
There are 2 repositories under tangem topic.
Gimly-Blockchain/Tangem-Blockchain-NFC
Building with Tangem for your blockchain, cryptocurrency, SSI, and DID solutions.
XRPL-Labs/tangem-backup
Configure a Tangem card as a backup card for your primary Tangem account. Card lost? Funds safe! xApp for backing up your Tangem card (to another Tangem card, using an on ledger Regular Key)