Contact person: Business Client

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Location: HK, Hong Kong

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m building a full-featured crypto wallet powered by Trust Wallet Core and need end-to-end development across mobile and web.

Scope
• A single codebase (or well-aligned native builds) must compile to iOS, Android and a browser-based interface without compromising performance or security.
• Core features include true multi-currency support, an intuitive transaction history with filtering, and robust two-factor authentication at every sensitive touch-point.
• The wallet will link directly to selected exchanges, mainstream payment processors and the most used DeFi platforms so users can move, swap or stake assets without leaving the app.

Key goals
– Wrap Trust Wallet Core functions cleanly behind a user-friendly UI.
– Maintain private-key custody strictly client-side.
– Achieve fast initial sync and minimal signing latency on all three platforms.
– Pass standard mobile store security checks and basic penetration testing for the web build.

Deliverables
1. Production-ready iOS, Android and web builds, each signed and ready for store or server deployment.
2. Source code with clear modular structure and inline documentation of every Trust Wallet Core call.
3. Integration modules for at least one exchange, one payment processor and one DeFi protocol, all fully functional in testnet and mainnet.
4. README covering build steps, environment variables and security hardening guidelines.
5. A short video walkthrough highlighting the multi-currency flow, 2FA flow and an on-chain swap via the DeFi integration.

If you have previous Trust Wallet Core experience or demonstrable blockchain wallet projects, let me know—otherwise outline how you’ll approach securing keys, abstracting network calls and keeping the UX consistent across the three targets." (client-provided description)