UPay - 非託管加密錢包

UPay is a self-custody digital asset wallet powered by a Rust security core engine, built for TRON network users. Unlike typical wallets, UPay's key management, transaction signing, and secure communication modules are built entirely from scratch in Rust, delivering native-level security and performance. [Rust Security Core Engine] - Private key signing logic written in Rust, not JavaScript/Dart - ECDH key exchange + HMAC request signing to prevent MITM attacks - DNS-over-HTTPS + SSL Certificate Pinning to block network hijacking - All sensitive operations completed locally on device, private keys never leave your phone [Full Self-Custody] - No account registration required, no phone number or email needed - Mnemonic stored only on your device, inaccessible to UPay - HD wallet architecture with multi-address support [TRON Ecosystem Focus] - USDT (TRC-20) and TRX asset management - Real-time on-chain balance and full transaction history - QR code scanning for quick transfers [Multi-Layer Security] - Face ID / Fingerprint + security password dual verification - Configurable auto-lock timeout - Mnemonic encrypted via system-level secure storage [Multi-Language] - Traditional Chinese, Simplified Chinese, English