Although it says that smartphones are the safest way to store electronic money, the flaw still exists. Smart Phone Company has added that TEE on the Samsung Knox platform offers higher levels of security. The company warns that when TEE hardware is not available on laptops and desktops, private keys stored in these devices can easily be compromised. TEE provided, Samsung said that a new program would inevitably be faulty when the device was designed as a crypto key that stores its own key on the smartphone's hard drive, thus making it vulnerable to attack. Moreover, the wallet can also be infected with malware.