EXCEEDS logo
Exceeds
Alex Graham

PROFILE

Alex Graham

Over a three-month period, contributed to hyperledger-labs/splice-wallet-kernel by building and enhancing secure transaction signing and key management systems. Developed a modular Keystore System with a public API, introducing robust key management and internal signing capabilities using TypeScript and Node.js. Integrated the Fireblocks signing driver, supporting both single-user and multi-user workflows, and optimized transaction pagination and configuration management for improved performance. Enhanced traceability and reliability by refining transaction tracking endpoints and data formatting, while also delivering comprehensive documentation and type clarifications. Focused on backend development, cryptography, and API integration, these efforts improved security, maintainability, and developer onboarding across the project.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

15Total
Bugs
0
Commits
15
Features
4
Lines of code
4,150
Activity Months3

Work History

August 2025

4 Commits • 2 Features

Aug 1, 2025

August 2025 monthly summary for hyperledger-labs/splice-wallet-kernel focused on strengthening the signing workflow, improving traceability, and enhancing developer experience. Delivered Fireblocks Signing Enhancements and Transaction Tracking with API endpoint optimizations, and Documentation/Type Clarifications for the signing library.

July 2025

7 Commits • 1 Features

Jul 1, 2025

July 2025 highlights for hyperledger-labs/splice-wallet-kernel: Delivered end-to-end Fireblocks signing driver integration with core driver, multi-user support, transaction pagination, dynamic configuration, performance optimization, RPC cleanup, and updated developer documentation. Implemented single-user and multi-user signing flows, enhanced configurability, and reduced RPC overhead through smarter transaction traversal. Added comprehensive testing context and documentation to accelerate onboarding and QA.

June 2025

4 Commits • 1 Features

Jun 1, 2025

June 2025: Delivered the Keystore System for hyperledger-labs/splice-wallet-kernel, introducing a Public Keystore API with key management and signing, stabilizing the API, adding internal signing support, and performing a modular library refactor to improve security, reliability, and maintainability. This work strengthens wallet security, reduces future maintenance burden, and enables more robust transaction signing workflows across the project.

Activity

Loading activity data...

Quality Metrics

Correctness91.4%
Maintainability87.4%
Architecture86.6%
Performance86.6%
AI Usage21.4%

Skills & Technologies

Programming Languages

GoJavaScriptMarkdownTypeScript

Technical Skills

API DevelopmentAPI IntegrationAsynchronous ProgrammingBackend DevelopmentCode CleanupConfiguration ManagementCryptographyDocumentationInterface ImplementationJestKey ManagementLibrary DevelopmentNode.jsRefactoringSecurity

Repositories Contributed To

1 repo

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

hyperledger-labs/splice-wallet-kernel

Jun 2025 Aug 2025
3 Months active

Languages Used

GoJavaScriptTypeScriptMarkdown

Technical Skills

API DevelopmentBackend DevelopmentCryptographyInterface ImplementationJestKey Management