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hz002

PROFILE

Hz002

Zheng Song contributed to RabbyHub/rabby-mobile and RabbyHub/Rabby by engineering robust asset management, DeFi, and cross-network wallet features over 11 months. He delivered end-to-end token sending, lending via Aave, and multi-address asset workflows, focusing on reliability, security, and user experience. Using React Native, TypeScript, and JavaScript, Zheng refactored onboarding, implemented risk controls, and integrated TradingView charts for market data. He improved address validation, ENS resolution, and data synchronization, addressing edge cases and optimizing performance. His work included UI/UX enhancements, error handling, and scalable state management, resulting in deeper platform capabilities and more resilient, user-friendly crypto asset operations.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

121Total
Bugs
19
Commits
121
Features
48
Lines of code
83,621
Activity Months11

Work History

October 2025

13 Commits • 7 Features

Oct 1, 2025

October 2025 (2025-10) performance snapshot: Focused on expanding cross-network interoperability, enriching user experience, and delivering strategic liquidity and portfolio capabilities across Rabby and Rabby-mobile. Key features delivered: - Expanded cross-network DApp whitelist and spenders for Rabby web, and extended spender approval across networks in Rabby-mobile to improve compatibility with a broader set of dApps and token integrations. - Mobile UX enhancements: Token Selector now shows CEX logos for bridge/swap contexts; ability to copy token contract addresses; Pools tab on token detail to surface top liquidity pools and historical activity. - New Prediction Portfolio type introduced in mobile, including UI to display name, side, amount, price, and USD value, expanding user investment tracking. - Lending functionality with Aave added, including lends management (supplies, borrows, history) and UI/navigation for lending pools with end-to-end data fetching and action support. Major bugs fixed: - Token Market 24h volume fixed to USD value and translation key display corrections. - TokenDetail icon color fix with updated icon and color application. - UseInfiniteScroll service: default return values and error handling improved for stable history data when parameters are missing or errors occur. Overall impact and accomplishments: - Significantly improved cross-chain interoperability and wallet-to-dApp interactions, enabling Rabby users to access a wider DApp ecosystem with consistent spend approvals. - Enhanced mobile user experience and visibility into token sources, liquidity, and investment positions, driving engagement and trust. - Introduced and stabilized lending workflows, expanding Rabby as a DeFi hub with lending capabilities. - Strengthened product quality and reliability with targeted fixes, reducing edge-case failures and translation drift. Technologies/skills demonstrated: - Cross-chain integration, DApp approval whitelists, and network-spread spenders management. - Mobile UI/UX development: token metadata, liquidity pools, copy-to-clipboard interactions, and dynamic content rendering. - Investment tooling: Prediction portfolio type modeling and UI integration. - DeFi integration: Aave lending features, data fetching, and transaction orchestration. - Quality engineering: robust error handling, i18n translation alignment, and resilient data loading (infinite scroll).

September 2025

26 Commits • 6 Features

Sep 1, 2025

September 2025 delivered substantial UX and reliability improvements across Rabby web and Rabby Mobile, prioritizing DApp interactions, DeFi UX, and cross-network workflows. Key outcomes include feature-rich DApp interactions, precise multi-chain token search, expanded whitelist management, and mobile market data enhancements, all aimed at reducing user friction and accelerating time-to-value for complex DeFi use cases.

August 2025

16 Commits • 6 Features

Aug 1, 2025

August 2025 was focused on delivering high-value features and strengthening data reliability across RabbyMobile and Rabby. Key work targeted risk visibility, asset discovery, and portfolio UX, while underpinning data quality and analytics to enable informed user decisions and healthier engagement metrics. Deliverables span address alias management, token discovery enhancements, portfolio/watchlist UX upgrades, data reliability improvements for token lists/ DeFi protocols, and API/search improvements, complemented by whitelist and post-transaction balance refresh workflows.

July 2025

18 Commits • 7 Features

Jul 1, 2025

July 2025 performance summary for Rabby and Rabby Mobile. Delivered cross-platform enhancements focused on asset visibility, safety, and app-chain capabilities. Highlights include app chain balances integration, end-to-end send flow overhaul with risk controls and CEX validation, a new Watchlist on mobile, and UI/UX polish and data reliability improvements across the Rabby ecosystem.

June 2025

12 Commits • 5 Features

Jun 1, 2025

June 2025: Delivered key features across Rabby and Rabby-mobile, focusing on onboarding, wallet imports, token transfers, network resilience, and data synchronization. Achieved cross-repo improvements with strong UI/UX polish and data integrity fixes. This month emphasized reliability, safer user flows, and scalable architecture to support growth and retention.

May 2025

5 Commits • 2 Features

May 1, 2025

May 2025 (RabbyMobile) focused on delivering robust asset management features, improving address handling, and enhancing the user experience to boost reliability and engagement. The work emphasized business value through faster interactions, clearer asset presentation, and stronger address/ENS support across Rabby Mobile. Key features delivered and major fixes: - Token Sending and Address Management Enhancements: improved handling of CEX and contract addresses, better ENS name resolution, and refined UI for alias editing and address whitelisting (commit cd5976065d3e7f296a9961ab08189f0e91f8d6ec). - UI/UX Overhaul for Asset Management and Home Screens: performance-focused token list rendering with collapsible tabs, dedicated single-address assets screen, wallet icon refinements, and new visual components like HomeTopChart (commits f3f8fd90127884aef07ea88f39a7b335c26d0ccc; dda73e1184a335b96b78a92a965cc6a14f1dae8d; 9a72ebccbc1aa7d219bd63f954ad2d465c45bc9f). - Tab Swiping Performance and Asset Loading Bug Fix: resolved swipe interaction issues, refined line charts, and ensured correct asset fetching for imported addresses to improve overall experience (commit 1677198c9792101d58b743d7a604dfed19095202). Impact and accomplishments: - Enhanced user confidence and satisfaction through faster asset rendering, smoother navigation, and more robust address management. - Reduced friction in day-to-day transactions and asset interactions, contributing to higher retention and lower support loads. Technologies/skills demonstrated: - React Native UI/UX design, performance optimization, and efficient data rendering for large token lists. - Robust integration of address management, ENS resolution, and asset loading workflows with polished visual components.

April 2025

12 Commits • 6 Features

Apr 1, 2025

April 2025 performance summary for RabbyHub: Delivered targeted feature enhancements and stability improvements across Rabby-mobile and Rabby, emphasizing a more reliable sending flow, richer multi-address asset management, and safer asset lists. Improvements are aligned with business goals of reducing user friction, increasing asset visibility, and enhancing security without disrupting core functionality.

March 2025

9 Commits • 3 Features

Mar 1, 2025

March 2025 monthly summary for RabbyHub/rabby-mobile: Overview: - Focused on delivering a smoother asset management experience, a more reliable send flow, and a secure authentication path, while tightening data accuracy and navigation reliability. All work was aligned with improving user productivity, reducing transaction friction, and strengthening security controls in evenings of high user activity. 1) Key features delivered - Asset and Token Management Enhancements: Consolidated asset/token UX improvements including multi-address token fetching, asset chain filtering, NFT display improvements, DeFi asset grouping, and enhanced address management. This set reduces context switching and streamlines token operations across networks. Commits: 553b251..., 243b71b..., 70bde550..., 86791235... - Send Flow Overhaul and Whitelist UI Enhancements: Comprehensive rewrite of the send workflow with new address confirmation/input/history screens, improved whitelist management UI, updated UI/icons, and launch screen refinements; includes dependency upgrades to ensure stability and smoother releases. Commit: d146d760dbfbfdc14d266e74398fc615fa7eeedb - New Authentication Modal (AuthenticationModal2024): Introduced a dedicated AuthenticationModal2024 for password/biometric authentication, refactored components to support it, and integrated into the whitelist confirmation flow with UI tweaks for chain search and toasts. Commit: 76fbdef020199719877eed34fc63d119145d9f36 2) Major bugs fixed - Remember Selected Chain and Token in Send Flow: Persist selected chain/token across interactions by fixing route parameter handling, reducing user re-entry and mistakes. Commit: 674209813fe29685cd9b29719a752a0747cd91bd - CEX Deposit Display Accuracy: Corrected CEX deposit display logic to show logos/names only for deposit-related entries, improving accuracy of CEX account representations. Commit: ad9b73a034d9b857343c5ad77df1b4af680adbb4 - History Item Navigation Fix: Restored expected navigation from history items to their detail view, unless overridden by a specific onPress handler. Commit: f9b20af36f190c5c3879bf784c113199ce494465 3) Overall impact and accomplishments - Business impact: Reduced transaction friction and user confusion with a more intuitive send flow, improved data accuracy for CEX-related items, and restored reliable navigation, contributing to higher user satisfaction and trust in RabbyMobile. - Technical impact: Implemented architectural improvements in authentication and state handling, updated dependencies, and aligned UI with new flows for a cohesive user experience. 4) Technologies/skills demonstrated - React Native/mobile UI/UX refinements, state and route management, and data flow improvements. - Security/identity: integration of password/biometric authentication via AuthenticationModal2024. - Data accuracy: refined CEX/account display logic to prevent misrepresentation. - Deployment readiness: dependency upgrades and UI/state refactors to facilitate smoother future iterations.

February 2025

3 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for RabbyHub/rabby-mobile: delivered a UI/UX refresh with performance enhancements and fixed critical data integrity issues to improve reliability and user experience. The work focused on efficient rendering, caching, and cleaner data flows to reduce load times and API calls.

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for RabbyHub/rabby-mobile focusing on delivering a cohesive Address Management UI Refresh that improves account switch UX and multi-address handling, driving smoother user flows and reducing friction for managing multiple addresses. This period centers on delivering a polished UI and preparing the ground for future enhancements.

December 2024

5 Commits • 4 Features

Dec 1, 2024

December 2024: Focused on stability, security, and UX across Rabby Mobile and Rabby extensions. Delivered four features/UX improvements and resolved a critical UI mounting bug in the Swap screen. Strengthened security by masking sensitive inputs during private key/seed phrase imports. Revamped the Receive flow with a new UI and dedicated addresses screen, and improved token list display with folding/unfolding and an NFT sending fix. Extended cross-browser support by enabling Firefox compatibility, adjusting build/manifest, and implementing code-splitting optimizations. These efforts reduce onboarding friction, improve risk mitigation, and broaden user reach, delivering tangible business value and solidifying platform reliability and performance.

Activity

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Quality Metrics

Correctness87.4%
Maintainability83.4%
Architecture81.8%
Performance80.8%
AI Usage30.2%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaJavaScriptObjective-CReactReact NativeSQLSVG

Technical Skills

API IntegrationAave ProtocolAddress ValidationAnalyticsAndroid DevelopmentAnt DesignBackend DevelopmentBrowser Extension DevelopmentBug FixingBuild System ManagementCSS-in-JSCachingChart IntegrationCode RefactoringCollapsible Tab View

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

RabbyHub/rabby-mobile

Dec 2024 Oct 2025
11 Months active

Languages Used

JavaScriptSVGTypeScriptJavaObjective-CSwiftXMLtsx

Technical Skills

API IntegrationComponent RefactoringFrontend DevelopmentInternationalization (i18n)Mobile DevelopmentNavigation Management

RabbyHub/Rabby

Dec 2024 Oct 2025
7 Months active

Languages Used

JavaScriptShellTypeScriptCSSSVGHTML

Technical Skills

Browser Extension DevelopmentBuild System ManagementCross-Browser CompatibilityJavaScriptTypeScriptWebpack Configuration

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