UPay - 非託管加密錢包

A TRON self-custody wallet with a Rust-built security core. Private keys never leave your device.

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