What is SATSCARD?
It's an OPENDIME in an NFC card form factor with 10 times the reuse capacity.
Gift and trade #Bitcoin physically; maximize in person trade while minimizing trust between parties.
Learn more here
What is TAPSIGNER?
It's a Bitcoin private key on a card! You can sign mobile wallet transaction by tapping the phone. Your mobile wallet provides most of the wallet logic and TAPSIGNER holds the secrets. It's essentially a HW you can slip inside your regular physical wallet.
Learn more here
