Haven't tried it yet, but there is this for smartcards. Not sure if it will work with blank java cards, I mean they provide the cap file and source. https://gi

Haven't tried it yet, but there is this for smartcards. Not sure if it will work with blank java cards, I mean they provide the cap file and source. https://github.com/LedgerHQ/ledger-u2f-javacard https://github.com/LedgerHQ/ledger-u2f-javacard