OneKey Pro by OneKey is a hardware wallet designed for cryptocurrency asset protection. It utilizes an EAL 6+ Security Chip (THD89 from TMC) to store private keys separately from the device microprocessor. The wallet supports SHA-256 response control to prevent replay and eavesdropping attacks. OneKey Pro is designed to keep private keys offline and perform transaction signing on the device itself. It has the capability to parse original transaction information to uncover potential scams before signing transactions.