Security and Decentralized Private Treasury

In terms of security, Arca Mobile adopts a multi-layer security mechanism to ensure the safety of the device when handling sensitive data and performing critical tasks. At the hardware level, HSM is used to store private keys and sensitive information, while at the software level, TEE ensures that critical operations are performed in a secure environment. To further enhance identity verification, the standard version of Arca Mobile integrates advanced biometric technologies such as facial recognition technology, while the exclusive version supports even more sophisticated biometric technologies such as in-display ultrasonic fingerprint recognition, providing additional protection for high-value transactions. These features protect users' digital assets and ensure the security of routine payment transactions.

The small-value, high-frequency mobile payment functionality makes these devices a vital bridge between the Arca Chain digital ecosystem and the real economy. Users can quickly and securely make contactless payments with supported merchants via NFC, or meet various payment needs by scanning merchant QR codes or generating personal payment codes. Arca Chain, utilizing Layer 2 technology to achieve micropayment channels, greatly increases payment efficiency with near-instant confirmations of small transactions. Within the HASC 2.0 consensus mechanism, these payment activities can also enhance the user's network participation, increasing their weight in TwPoS (Task-weighted Proof of Stake) calculations. Exclusive version users can receive higher network contribution weights for transactions of the same amount, further incentivizing active participation in the ecosystem.