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我正在构建一个H5,给这个H5集成一套跨平台的 Web3 钱包解决方案,需要在 iOS、Android、Web 以及 Telegram mini app 四端同步实现以下核心功能: 1. WalletConnect 集成 • 支持主流 EVM 链(Ethereum、BSC、Polygon 等) • 自动识别并连接用户现有钱包(MetaMask、okx、binance、abpay等) 2. Mint 功能 • 根据前端表单参数调用合约,完成 ERC-20 / ERC-721 铸造 • 铸造成功后即时回调并更新前端状态 3. 资产转账 • 单笔与批量转账界面 • 手续费预估与确认弹窗 • 转账结果监听与提示 4. 多端 UI/UX 一致性 • 移动端使用 React Native 或 Flutter 均可 • Web 端采用 React + [login to view URL] • Telegram mini app 保持相同交互逻辑
ID do Projeto: 40297603
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16 freelancers estão ofertando em média $3.822 HKD for esse trabalho

I’ve successfully delivered several cross-platform H5 Web3 applications, including recent Telegram Mini Apps that integrate seamless wallet connectivity and on-chain interactions. Your requirement for a unified experience across iOS, Android, and Telegram is exactly where I specialize, particularly in managing the complex nuances of deep-linking, mobile-responsive dApps, and provider consistency. Having built similar minting engines for multi-device environments, I understand the critical importance of maintaining a low-latency connection while handling transaction signing across different mobile OS environments and embedded browsers. To ensure a robust and high-performing multi-platform experience, I will utilize the Wagmi/Viem stack paired with Web3Modal for universal wallet support, ensuring full compatibility with WalletConnect v2 for mobile stability. For the Telegram Mini App environment, I will integrate the `@twa-dev/sdk` alongside a custom provider to handle the specific lifecycle events and ensure the interface remains fluid within the Telegram container. The minting and transfer logic will be implemented with standard EIP-1193 providers, utilizing optimized hooks for real-time transaction tracking and gas estimation to improve user conversion. I will also implement a lightweight state management layer to keep the wallet session synchronized across transitions between the browser and native mobile apps. Are you targeting specific EVM-compatible chains like Ethereum, Polygon, or an L2 like Arbitrum, and will the minting logic require custom allowlist handling? Also, do you have the smart contracts already deployed, or would you like me to audit the integration scripts for the minting and transfer functions to ensure maximum security? I would be happy to jump on a quick call or chat to review your current UI/UX designs and discuss how we can streamline the onboarding flow for Telegram users. Let’s connect to finalize the technical roadmap and ensure a smooth rollout across all four platforms.
$4.905 HKD em 21 dias
4,5
4,5

I’ve spent the last few years bridging the gap between standard H5 web apps and the Web3 ecosystem, specifically focusing on multi-platform consistency for dApps that live inside mobile browsers and Telegram Mini Apps. Having recently delivered a project involving cross-platform NFT minting and wallet-to-wallet transfers, I understand the nuances of managing provider states across different H5 containers. My focus is on ensuring that whether a user accesses your app through a standard iOS browser or the Telegram interface, the wallet handshake remains frictionless and the transaction signing flow is intuitive and responsive. To achieve this, I will implement a modular architecture using Wagmi and Viem to handle EVM interactions, while integrating WalletConnect v2 for robust mobile-to-wallet deep linking on Android and iOS. For the Telegram Mini App side, I will incorporate TonConnect or a specialized TMA provider to ensure the session persists across the app’s unique lifecycle. The minting and transfer logic will be abstracted into a custom hook layer, ensuring that gas estimations and transaction states are handled identically across all four environments. This approach guarantees that the core "Connect-Mint-Transfer" loop is both high-performing and secure against common H5 injection vulnerabilities. Are you planning to support multiple chains like Ethereum and TON simultaneously, or are we starting with a single EVM-compatible network? Also, do you have the specific UI designs for the wallet modal, or should we utilize a customized version of RainbowKit to match your branding? I’m ready to start immediately and would be happy to jump on a quick chat to align on the technical requirements and finalize the roadmap. Let’s build a seamless Web3 experience that works everywhere.
$4.750 HKD em 21 dias
3,3
3,3

Hi there, Integrating a cross-platform Web3 wallet solution for your H5 project sounds like a great way to enhance user experience across multiple platforms. For the WalletConnect integration, I suggest implementing a modular architecture that allows for easy updates and maintenance, especially when adding support for new EVM chains or wallets. To ensure a seamless minting process, we can leverage smart contract events to trigger frontend updates immediately after a successful mint. This will enhance user engagement by providing real-time feedback. How do you envision handling user authentication across the different platforms, especially in the Telegram mini app? Let’s discuss your requirements further and outline an initial approach. I estimate that we can deliver this in about 40 days.
$4.000 HKD em 40 dias
1,0
1,0

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