The DAU Key, powered by Tangem, is a highly secure and reliable hardware wallet featuring a Samsung microcomputer chip that generates a private key that never leaves the card.

1. Key specifications enhancing security include:

2. The Tangem chip adheres to EAL6+ security standards, equivalent to the protection level found in passports.

3. Rigorous firmware audits by Kudelski Security, a leading global laboratory.

4. Unrivaled IP68 protection, safeguarding against dust, water, and hacking attempts.

5. Durable design capable of withstanding temperatures from -25 ℃ (-13 ℉) to +50 ℃ (122 ℉).

6. The chip is engineered for infinite transactions, with a life expectancy exceeding 25 years.

7. Protection against EMPs (electromagnetic pulses), ESD (electrostatic discharge) and X-rays in compliance with the ISO 7816-1 standard.

Tangem has issued more than 1,000,000 cards since 2017. There have been no defects, and all the cards are still functioning.