The Arculus Key Card uses the 13.56 MHz frequency to communicate with the mobile device during transactions. The chip is not a simple NTAG chip. It uses a secure element, similar to ones in banking cards and passports. Multiple layers of physical and software security keep your private keys safe.

The Arculus Key Card uses the 13.56 MHz frequency to communicate with the mobile device during transactions. The chip is not a simple NTAG chip. It uses a secure element, similar to ones in banking cards and passports. Multiple layers of physical and software security keep your private keys safe.

The Arculus Key Card uses the 13.56 MHz frequency to communicate with the mobile device during transactions. The chip is not a simple NTAG chip. It uses a secure element, similar to ones in banking cards and passports. Multiple layers of physical and software security keep your private keys safe.

The Arculus Key Card uses the 13.56 MHz frequency to communicate with the mobile device during transactions. The chip is not a simple NTAG chip. It uses a secure element, similar to ones in banking cards and passports. Multiple layers of physical and software security keep your private keys safe.