
Đang mở
Đã đăng vào
•
Kết thúc sau 6 ngày
Thanh toán khi bàn giao
I’m launching my own cryptocurrency and now need a fully-functional software wallet that runs smoothly on both iOS and Android. The app must let users create or import a wallet, generate a secure mnemonic, view real-time balances, and send or receive funds with QR-code convenience. All signing happens client-side; private keys stay encrypted on the device and can be unlocked with PIN, Face ID, or fingerprint. You’ll integrate directly with the coin’s daemon or a lightweight JSON-RPC/REST gateway that I’ll expose, handling key derivation, transaction building, and broadcast. A clean, intuitive UI is essential so first-time users feel at home. React Native, Flutter, Kotlin/Swift—any modern mobile stack is fine as long as the final binaries satisfy App Store and Google Play requirements. Deliverables • Complete, well-commented source code • Test builds (APK + TestFlight) ready for installation • Brief setup/documentation so my team can reproduce the build and point it at new nodes • One post-handover bug-fix cycle Acceptance will be based on successful on-chain test transactions, verified key security, and passing both stores’ initial reviews.
Mã dự án: 40275680
7 đề xuất
Mở nhận chào giá
Dự án từ xa
Hoạt động 20 phút trước
Thiết lập ngân sách và thời gian
Nhận thanh toán cho công việc
Phác thảo đề xuất của bạn
Miễn phí đăng ký và cháo giá cho công việc
7 freelancer chào giá trung bình ₹22.863 INR cho công việc này

Hi, there. I will build your mobile crypto wallet using React Native with secure client-side key management, integrating directly with your daemon via JSON-RPC/REST APIs for balance sync and transaction broadcast. I will implement wallet creation and import with BIP39 mnemonic generation, encrypted private key storage using AES-256, and biometric unlock via Face ID, fingerprint, and PIN. I will develop real-time balance updates, QR-based send and receive flows, and deterministic key derivation while ensuring all signing happens locally on the device. I have delivered 3 blockchain-integrated mobile applications handling secure transactions and encrypted key storage. The architecture will separate UI, wallet core logic, and network layers to ensure maintainability and secure transaction building. I will implement transaction validation, fee estimation, and on-chain broadcast testing to confirm successful test transfers. The interface will be clean and intuitive, optimized across iOS and Android to meet App Store and Google Play guidelines. You will receive complete, well-commented source code, reproducible build instructions, APK and TestFlight builds, and configuration guidance for connecting to new nodes. One structured post-handover bug-fix cycle will ensure stability after deployment testing. Acceptance will be validated through successful test transactions and verified key security practices. If this sounds good, connect in chat and we can start. Thanks, Jaroslav Caprata
₹15.000 INR trong 3 ngày
3,7
3,7

Hi, there. Timeline : 5 Days, Budget: 250USD Always Ready: https://www.freelancer.com/u/marcioazambujo I am interested your project. Because your project is my major, I believe I am a right person for your project For your cryptocurrency wallet, I recommend building it with React Native to ensure a single secure codebase for both iOS and Android while meeting App Store and Google Play requirements. The wallet will support mnemonic generation (BIP39), secure key derivation, encrypted local storage, and client-side transaction signing with biometric unlock (Face ID / fingerprint / PIN). I will integrate directly with your daemon via JSON-RPC/REST for balance fetching, transaction building, and broadcast, plus QR-based send/receive flows. The UI will be clean and beginner-friendly, with real-time updates and proper error handling for network or node failures. You will receive complete commented source code, APK + TestFlight builds, setup documentation for node configuration, and one structured post-handover bug-fix cycle. I hope to hear from you. Thank you
₹25.000 INR trong 5 ngày
0,0
0,0

I'm Bharat Tech, an experienced mobile app developer with a strong emphasis on security and reliability. Having developed numerous apps and payment integrations for both Android and iOS platforms using Flutter, Kotlin, Mobile App Development, Objective C, my skills perfectly align with your project's requirements centred around secure mnemonic generation, transaction building, and broadcast. As someone who understands the significance of not only a smooth UI but also the backend integration vital for a wallet app like the one you require for your cryptocurrency launch, I'm confident my professional expertise will bring your vision to life. My work is always backed up with thorough comments and documentation that ensure seamless transferability for your team to manage operations efficiently after project completion. Additionally, my commitment to consistent quality would be an asset to you. I'm driven by the desire to not just complete projects but to build long-term relationships based on trust. So, let me assure you that if given this opportunity, I will deliver a secure Morse code platform tailored specifically to meet your business needs and suit both App Store and Google Play requirements. Let's take your vision of a high-quality mobile wallet for your cryptocurrency forward together!
₹12.500 INR trong 7 ngày
0,0
0,0

Hello, I specialize in building secure, non-custodial cryptocurrency wallets and can develop a production-ready mobile wallet for both iOS and Android. The wallet will allow users to create or import wallets, generate BIP-39 mnemonic phrases, securely store private keys on device, and send or receive transactions using QR codes. All transaction signing will occur client-side, ensuring that private keys never leave the device. I can build the app using Flutter or React Native to deliver a high-performance cross-platform wallet with a clean and intuitive user interface suitable for first-time crypto users. Key features will include: • Secure wallet creation & mnemonic recovery • Encrypted private key storage on device • PIN + biometric authentication (Face ID / fingerprint) • Real-time balance updates via your JSON-RPC/REST gateway • Transaction building, signing, and broadcasting • QR code scanning for fast payments • Transaction history and confirmations Deliverables: • Complete, well-structured source code • Android APK and iOS TestFlight builds • Setup documentation for connecting to new nodes • One post-delivery bug-fix cycle To begin, I would need access to your coin daemon specifications, JSON-RPC endpoints, and transaction format. I look forward to helping you launch a secure and user-friendly wallet for your cryptocurrency ecosystem. Best regards.
₹30.000 INR trong 5 ngày
0,0
0,0

64585794, India
Thành viên từ thg 5 3, 2011
₹37500-75000 INR
$250-750 USD
$30-250 USD
$250-750 USD
$250-750 USD
$250-750 USD
$8-15 CAD/ giờ
$250-750 USD
$15-25 USD/ giờ
$250-750 USD
₹12500-37500 INR
$10-30 USD
₹1500-12500 INR
₹1500-12500 INR
$3000-5000 USD
₹1500-12500 INR
₹12500-37500 INR
$750-1500 USD
$15-25 USD/ giờ
₹75000-150000 INR