OffchainLabs/arbitrum-token-bridge
Nov 2024 – Oct 2025
12 Months active
Languages Used
JavaScriptSolidityTypeScriptYAMLSVGCSSHTMLJSON
Technical Skills
ArbitrumBlockchain DevelopmentCI/CDConfiguration ManagementConfiguration managementCypress
Bartek
PROFILE
Bartek
Bartłomiej Kramek developed and maintained the OffchainLabs/arbitrum-token-bridge, focusing on cross-chain asset transfers and robust user experience. Over twelve months, he engineered features such as delegated account support, custom mainnet chain integration, and batched withdrawals with rate limiting, while also refining transaction history reliability and UI accessibility. His work involved React, TypeScript, and Solidity, leveraging asynchronous programming and CI/CD pipelines to ensure reliability and scalability. By addressing caching, error handling, and network configuration, Bartłomiej reduced user friction and improved onboarding. His contributions demonstrated depth in both frontend and blockchain development, resulting in a stable, extensible bridge for multi-network environments.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
92Total
Bugs
12
Commits
92
Features
44
Lines of code
6,609
Activity Months12
Your Network
4 peopleShared Repositories
4
Work History
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. Focused on deprecation of Proof of Play (PoP) chain support in the Arbitrum token bridge UI. Implemented removal of PoP chain references (Apex and Boss) across the UI and related configurations, removed the user-facing deprecation warning, and updated the withdraw-only chain IDs to align with the deprecation.
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. Focused on deprecation of Proof of Play (PoP) chain support in the Arbitrum token bridge UI. Implemented removal of PoP chain references (Apex and Boss) across the UI and related configurations, removed the user-facing deprecation warning, and updated the withdraw-only chain IDs to align with the deprecation.
October 2025
September 2025
1 Commits
Sep 1, 20252025-09 monthly summary for OffchainLabs/arbitrum-token-bridge focused on stabilizing Orbit Chains onboarding and CI reliability. Delivered a critical bug fix to correct CI and app asset path references, ensuring resources (logos, environment variables, and other assets) are correctly located for Orbit Chains integration. This groundwork reduces onboarding friction and minimizes future path-related regressions.
September 2025
1 Commits
Sep 1, 20252025-09 monthly summary for OffchainLabs/arbitrum-token-bridge focused on stabilizing Orbit Chains onboarding and CI reliability. Delivered a critical bug fix to correct CI and app asset path references, ensuring resources (logos, environment variables, and other assets) are correctly located for Orbit Chains integration. This groundwork reduces onboarding friction and minimizes future path-related regressions.
August 2025
4 Commits • 2 Features
Aug 1, 2025August 2025 — OffchainLabs/arbitrum-token-bridge This month centered on simplifying the Token Bridge UI and expanding account capabilities to reduce maintenance overhead and enable delegated workflows. Key accomplishments include removing unsupported networks from the Token Bridge UI and delivering delegated account support with robust account type handling. These changes improve configuration clarity, reduce surface area for support, and enable more secure, scalable account management in client applications.
4 Commits • 2 Features
Aug 1, 2025August 2025 — OffchainLabs/arbitrum-token-bridge This month centered on simplifying the Token Bridge UI and expanding account capabilities to reduce maintenance overhead and enable delegated workflows. Key accomplishments include removing unsupported networks from the Token Bridge UI and delivering delegated account support with robust account type handling. These changes improve configuration clarity, reduce surface area for support, and enable more secure, scalable account management in client applications.
August 2025
July 2025
7 Commits • 3 Features
Jul 1, 2025Month 2025-07: OffchainLabs/arbitrum-token-bridge delivered reliability, performance, and quality improvements across CI, data retrieval, and UX. Key outcomes include a CI/E2E upgrade to Alchemy RPC, batched withdrawals with rate limiting, expanded unit tests for transaction history and UI accessibility, a new timeout for subgraph queries to prevent hangs, and updated Orbit rollup contract addresses to ensure correct bridge interactions. These changes reduce test flakiness, improve throughput, and enhance user experience while maintaining correctness and security.
July 2025
7 Commits • 3 Features
Jul 1, 2025Month 2025-07: OffchainLabs/arbitrum-token-bridge delivered reliability, performance, and quality improvements across CI, data retrieval, and UX. Key outcomes include a CI/E2E upgrade to Alchemy RPC, batched withdrawals with rate limiting, expanded unit tests for transaction history and UI accessibility, a new timeout for subgraph queries to prevent hangs, and updated Orbit rollup contract addresses to ensure correct bridge interactions. These changes reduce test flakiness, improve throughput, and enhance user experience while maintaining correctness and security.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for OffchainLabs/arbitrum-token-bridge: Delivered reliability improvements and feature enhancements in the token bridge UI, including timeout-based transaction history fetch, CI pipeline fixes for OG image generation, and support for custom mainnet chains. These changes reduce user friction, enable flexible deployments, and improve overall system reliability.
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for OffchainLabs/arbitrum-token-bridge: Delivered reliability improvements and feature enhancements in the token bridge UI, including timeout-based transaction history fetch, CI pipeline fixes for OG image generation, and support for custom mainnet chains. These changes reduce user friction, enable flexible deployments, and improve overall system reliability.
June 2025
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 performance summary for OffchainLabs/arbitrum-token-bridge: Delivered UI improvements with route decluttering and conditional USDC.e balance display, improved transaction history UX when the wallet is not connected, cleaned network configuration by deprecating Holesky and adding native token data for custom chains, and streamlined CI/CD validation to focus on the new Orbit chain. These changes deliver clearer user experiences, reduce onboarding friction, expand multi-network support, and accelerate release cycles.
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 performance summary for OffchainLabs/arbitrum-token-bridge: Delivered UI improvements with route decluttering and conditional USDC.e balance display, improved transaction history UX when the wallet is not connected, cleaned network configuration by deprecating Holesky and adding native token data for custom chains, and streamlined CI/CD validation to focus on the new Orbit chain. These changes deliver clearer user experiences, reduce onboarding friction, expand multi-network support, and accelerate release cycles.
April 2025
14 Commits • 6 Features
Apr 1, 2025April 2025 — OffchainLabs/arbitrum-token-bridge: Delivered reliability, UX, and pipeline improvements across core areas, resulting in better transaction visibility, reduced cache-related crashes, and faster release cycles. Key features delivered include: (1) Cache Reliability Improvements: fixed tx receipt cache overflow and improved withdrawal-status caching to prevent crashes and boost performance; (2) Transaction History Enhancements: added on-demand fetching for received history with a user-facing prompt to trigger deeper searches, improving completeness; (3) Transaction History Retrieval Robustness (CCTP): hardened and simplified history fetching for mainnet/testnet to ensure deposits and withdrawals are accurately reflected for contract wallets; (4) Token Bridge UI Enhancements: added ETH token parameter support, improved token list caching, and withdraw-only configuration for Plume, plus UI refinements and deprecation of unused paths; (5) CI and Test Infrastructure Improvements: refined workflows to skip CI for draft PRs, trigger on ready-for-review, and introduced Cypress-based test tooling for richer end-to-end validation. Additional changes included Orbit network alignment, local-storage caching for claimed withdrawals, and UI/dialog system refactor support to enable consistent dialog handling across the app. Overall impact: higher reliability, clearer user transaction visibility, improved performance, and faster, safer release cycles.
14 Commits • 6 Features
Apr 1, 2025April 2025 — OffchainLabs/arbitrum-token-bridge: Delivered reliability, UX, and pipeline improvements across core areas, resulting in better transaction visibility, reduced cache-related crashes, and faster release cycles. Key features delivered include: (1) Cache Reliability Improvements: fixed tx receipt cache overflow and improved withdrawal-status caching to prevent crashes and boost performance; (2) Transaction History Enhancements: added on-demand fetching for received history with a user-facing prompt to trigger deeper searches, improving completeness; (3) Transaction History Retrieval Robustness (CCTP): hardened and simplified history fetching for mainnet/testnet to ensure deposits and withdrawals are accurately reflected for contract wallets; (4) Token Bridge UI Enhancements: added ETH token parameter support, improved token list caching, and withdraw-only configuration for Plume, plus UI refinements and deprecation of unused paths; (5) CI and Test Infrastructure Improvements: refined workflows to skip CI for draft PRs, trigger on ready-for-review, and introduced Cypress-based test tooling for richer end-to-end validation. Additional changes included Orbit network alignment, local-storage caching for claimed withdrawals, and UI/dialog system refactor support to enable consistent dialog handling across the app. Overall impact: higher reliability, clearer user transaction visibility, improved performance, and faster, safer release cycles.
April 2025
March 2025
14 Commits • 7 Features
Mar 1, 2025March 2025 monthly highlights for OffchainLabs/arbitrum-token-bridge: delivered a UI overhaul for dialog management, stabilized the codebase with targeted dependency updates, and enhanced cross-chain USDC handling and testnet support. Implemented performance-oriented data fetch optimizations and refined data models and configuration for legacy/devnet contexts. The work reduced UX friction, improved cross-chain reliability, and strengthened overall system stability for production and testnet environments.
March 2025
14 Commits • 7 Features
Mar 1, 2025March 2025 monthly highlights for OffchainLabs/arbitrum-token-bridge: delivered a UI overhaul for dialog management, stabilized the codebase with targeted dependency updates, and enhanced cross-chain USDC handling and testnet support. Implemented performance-oriented data fetch optimizations and refined data models and configuration for legacy/devnet contexts. The work reduced UX friction, improved cross-chain reliability, and strengthened overall system stability for production and testnet environments.
February 2025
14 Commits • 8 Features
Feb 1, 2025February 2025 performance focused on improving test reliability, UX for token bridging, and network readiness. Delivered robust test utilities, URL-driven state management for tokens and history, and key network/config updates, with substantial UI polish and infrastructure upgrades driving business value.
14 Commits • 8 Features
Feb 1, 2025February 2025 performance focused on improving test reliability, UX for token bridging, and network readiness. Delivered robust test utilities, URL-driven state management for tokens and history, and key network/config updates, with substantial UI polish and infrastructure upgrades driving business value.
February 2025
January 2025
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for OffchainLabs/arbitrum-token-bridge focused on delivering a UX-forward, robust token bridge experience with faster bridge capabilities, UI/data quality improvements, and stronger test coverage. These efforts drive reliability, data accuracy, and deployment confidence, contributing to reduced support frictions and improved user trust.
January 2025
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for OffchainLabs/arbitrum-token-bridge focused on delivering a UX-forward, robust token bridge experience with faster bridge capabilities, UI/data quality improvements, and stronger test coverage. These efforts drive reliability, data accuracy, and deployment confidence, contributing to reduced support frictions and improved user trust.
December 2024
9 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for OffchainLabs/arbitrum-token-bridge: Delivered clarity, scalability, and reliability improvements across core features, UI, and testing. The team implemented chain naming consistency and a Social Graph rename in Unite, expanded settlement capabilities by adding Arbitrum Nova as an Orbit settlement chain, and updated withdraw-only token support for cbBTC and NST. A new fast withdrawal indicator was added to the token bridge UI to improve user expectations. In addition, we resolved a transaction history display bug, improved end-to-end test stability, and enhanced CI resource management with a longer timeout for the nitro testnode. These changes collectively reduce user confusion, enable faster settlements, and increase overall reliability and release confidence.
9 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for OffchainLabs/arbitrum-token-bridge: Delivered clarity, scalability, and reliability improvements across core features, UI, and testing. The team implemented chain naming consistency and a Social Graph rename in Unite, expanded settlement capabilities by adding Arbitrum Nova as an Orbit settlement chain, and updated withdraw-only token support for cbBTC and NST. A new fast withdrawal indicator was added to the token bridge UI to improve user expectations. In addition, we resolved a transaction history display bug, improved end-to-end test stability, and enhanced CI resource management with a longer timeout for the nitro testnode. These changes collectively reduce user confusion, enable faster settlements, and increase overall reliability and release confidence.
December 2024
November 2024
14 Commits • 6 Features
Nov 1, 2024November 2024: Expanded cross-network capabilities and reliability for the Arbitrum Token Bridge. Delivered non-18-decimal token support, custom destination transfers, and corrected gas estimation; LayerLeap integration enabling teleportation to the Superposition network; USDC.e and gateway support on PoP Apex; Orbit chain validation refinements with improved fast withdrawal handling and destination address persistence; and deposit history caching with test stability improvements to enhance UX and reliability. Overall impact includes broader token coverage, more flexible transfer flows, reduced user friction, and stronger cross-network resilience. Technologies demonstrated include cross-network bridging, gas estimation engineering, LayerLeap integration, USDC gateway integration, Orbit form enhancements, and front-end data caching with test reliability engineering.
November 2024
14 Commits • 6 Features
Nov 1, 2024November 2024: Expanded cross-network capabilities and reliability for the Arbitrum Token Bridge. Delivered non-18-decimal token support, custom destination transfers, and corrected gas estimation; LayerLeap integration enabling teleportation to the Superposition network; USDC.e and gateway support on PoP Apex; Orbit chain validation refinements with improved fast withdrawal handling and destination address persistence; and deposit history caching with test stability improvements to enhance UX and reliability. Overall impact includes broader token coverage, more flexible transfer flows, reduced user friction, and stronger cross-network resilience. Technologies demonstrated include cross-network bridging, gas estimation engineering, LayerLeap integration, USDC gateway integration, Orbit form enhancements, and front-end data caching with test reliability engineering.
Activity
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Quality Metrics
Correctness90.4%
Maintainability88.8%
Architecture86.6%
Performance86.2%
AI Usage21.8%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptPNGSVGShellSolidityTypeScriptYAML
Technical Skills
API IntegrationApollo ClientArbitrumAsset ManagementAsynchronous OperationsAsynchronous ProgrammingBackend developmentBlockchainBlockchain DevelopmentCI/CDCachingComponent ArchitectureComponent DesignConfiguration ManagementConfiguration management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline