o1-labs/o1js
Feb 2025 – Feb 2026
8 Months active
Languages Used
TypeScriptMarkdownC++JavaScriptShellBashJSONYAML
Technical Skills
Big Integer ArithmeticBigInt ArithmeticCode FormattingCode RefactoringCryptographic PrimitivesCryptography
Shigoto-dev19
PROFILE
Shigoto-dev19
Shigoto Dev19 contributed to o1-labs/o1js by engineering robust APIs and developer tooling for zero-knowledge proof systems and blockchain applications. Over eight months, Shigoto modernized core APIs, such as refactoring the ZkFunction interface and enhancing ProvableBigInt for cryptographic modular arithmetic, while also introducing performance regression frameworks and improving build automation. Using TypeScript, Bash, and OCaml, Shigoto streamlined build processes, standardized documentation, and strengthened DevOps workflows for secure releases. The work emphasized reliability, maintainability, and developer experience, addressing transaction finality, vesting logic, and cross-platform integration, resulting in a more accessible and production-ready codebase for blockchain and cryptography developers.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
184Total
Bugs
19
Commits
184
Features
51
Lines of code
12,573
Activity Months8
Your Network
28 peopleWork History
February 2026
7 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for o1js team. Focused on delivering developer ergonomics, reliability, and platform readiness through feature completions, stability improvements, and a major framework release. Business impact centered on reduced time-to-interaction with remote blockchains, improved transaction finality, and a more robust faucet experience.
7 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for o1js team. Focused on delivering developer ergonomics, reliability, and platform readiness through feature completions, stability improvements, and a major framework release. Business impact centered on reduced time-to-interaction with remote blockchains, improved transaction finality, and a more robust faucet experience.
February 2026
January 2026
20 Commits • 4 Features
Jan 1, 2026Month: 2026-01 focused on delivering API enhancements for o1js, strengthening visibility into balances, transactions, and secure release processes. Delivered time-locked vesting APIs, transaction depth/finality tracking, public API querying improvements, and security-driven DevOps updates. These changes improve reliability, observability, and business value for developers and users relying on accurate vesting data, transaction confirmations, and secure publishing workflows.
January 2026
20 Commits • 4 Features
Jan 1, 2026Month: 2026-01 focused on delivering API enhancements for o1js, strengthening visibility into balances, transactions, and secure release processes. Delivered time-locked vesting APIs, transaction depth/finality tracking, public API querying improvements, and security-driven DevOps updates. These changes improve reliability, observability, and business value for developers and users relying on accurate vesting data, transaction confirmations, and secure publishing workflows.
November 2025
7 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11: Documentation improvements for build scripts and bindings in o1-labs/o1js, consolidating user-facing docs across TypeScript, OCaml, Js_of_OCaml, and WebAssembly bindings. Focus on clarity, accuracy, and improved developer onboarding for build pipelines.
7 Commits • 1 Features
Nov 1, 2025Monthly summary for 2025-11: Documentation improvements for build scripts and bindings in o1-labs/o1js, consolidating user-facing docs across TypeScript, OCaml, Js_of_OCaml, and WebAssembly bindings. Focus on clarity, accuracy, and improved developer onboarding for build pipelines.
November 2025
October 2025
67 Commits • 27 Features
Oct 1, 2025October 2025: Performance regression tooling for o1js advanced with a refactored API, improved JSON handling, broader framework integration, modular architecture with proof verification, and enhanced logging/CLI. Establishes a baseline workflow and CI coverage, complemented by better documentation and maintainability to accelerate reliable performance testing and zkProgram onboarding.
October 2025
67 Commits • 27 Features
Oct 1, 2025October 2025: Performance regression tooling for o1js advanced with a refactored API, improved JSON handling, broader framework integration, modular architecture with proof verification, and enhanced logging/CLI. Establishes a baseline workflow and CI coverage, complemented by better documentation and maintainability to accelerate reliable performance testing and zkProgram onboarding.
September 2025
28 Commits • 4 Features
Sep 1, 2025September 2025 focused on reliability, standardization, and performance visibility for o1js. Delivered a comprehensive build-system cleanup with a centralized build.sh, standardized npm script naming, and improved error handling, reducing onboarding friction and CI noise. Introduced and integrated a performance regression framework for ZkPrograms, including regression data, runtime support, and configuration for dumping/checking metrics, enabling data-driven optimization. Consolidated performance regression usage across zkprogram modules, enabling benchmark-ready changes across files. Fixed key bugs and improved code hygiene (unnecessary assertion removal, side-loading correctness, and removal of unused lines/imports), contributing to more maintainable code and fewer regressions. Updated documentation/changelog to reflect changes and enhance traceability for future audits.
28 Commits • 4 Features
Sep 1, 2025September 2025 focused on reliability, standardization, and performance visibility for o1js. Delivered a comprehensive build-system cleanup with a centralized build.sh, standardized npm script naming, and improved error handling, reducing onboarding friction and CI noise. Introduced and integrated a performance regression framework for ZkPrograms, including regression data, runtime support, and configuration for dumping/checking metrics, enabling data-driven optimization. Consolidated performance regression usage across zkprogram modules, enabling benchmark-ready changes across files. Fixed key bugs and improved code hygiene (unnecessary assertion removal, side-loading correctness, and removal of unused lines/imports), contributing to more maintainable code and fewer regressions. Updated documentation/changelog to reflect changes and enhance traceability for future audits.
September 2025
July 2025
30 Commits • 9 Features
Jul 1, 2025July 2025 monthly summary for o1-labs/o1js focused on delivering a major ZkFunction API overhaul, stabilizing integration points, and improving developer experience and release hygiene. Key features include a ZkFunction API with lazyMode, a rename of compile to analyzeMethod with metadata, stronger type-safety for prove/verify, a standalone Proof.verify method, and attaching public inputs to Proof, alongside replacing snarky imports with bindings.js. The month also covered bindings updates and structural refinements (directory renames, changelog/docs updates) to support ongoing adoption. Major bugs fixed and stability improvements were addressed by removing error handling in ZkFunction verify that depended on a compiler keypair, replacing Undefined.empty with undefined for clarity, restoring withPickles in mul and mul-web.ts for pickle-based proof compatibility, and reverting a bindings update to restore compatibility. These changes reduce edge-case failures and improve operational reliability in CI and production deployments. Overall impact: The work significantly improves API usability and safety, accelerates integration with external tooling via bindings.js, and strengthens release-quality documentation and test readability, enabling faster feature adoption and reduced maintenance overhead. The month laid groundwork for deprecation of older circuit paths and clearer verification semantics, aligning with long-term performance and security goals. Technologies/skills demonstrated: ZkFunction API design and refactor, proof systems (prove/verify) with enhanced type-safety, bindings integration, JavaScript/TypeScript modernization, build/release hygiene (docs, changelog, JSDoc), and test/readability improvements.
July 2025
30 Commits • 9 Features
Jul 1, 2025July 2025 monthly summary for o1-labs/o1js focused on delivering a major ZkFunction API overhaul, stabilizing integration points, and improving developer experience and release hygiene. Key features include a ZkFunction API with lazyMode, a rename of compile to analyzeMethod with metadata, stronger type-safety for prove/verify, a standalone Proof.verify method, and attaching public inputs to Proof, alongside replacing snarky imports with bindings.js. The month also covered bindings updates and structural refinements (directory renames, changelog/docs updates) to support ongoing adoption. Major bugs fixed and stability improvements were addressed by removing error handling in ZkFunction verify that depended on a compiler keypair, replacing Undefined.empty with undefined for clarity, restoring withPickles in mul and mul-web.ts for pickle-based proof compatibility, and reverting a bindings update to restore compatibility. These changes reduce edge-case failures and improve operational reliability in CI and production deployments. Overall impact: The work significantly improves API usability and safety, accelerates integration with external tooling via bindings.js, and strengthens release-quality documentation and test readability, enabling faster feature adoption and reduced maintenance overhead. The month laid groundwork for deprecation of older circuit paths and clearer verification semantics, aligning with long-term performance and security goals. Technologies/skills demonstrated: ZkFunction API design and refactor, proof systems (prove/verify) with enhanced type-safety, bindings integration, JavaScript/TypeScript modernization, build/release hygiene (docs, changelog, JSDoc), and test/readability improvements.
June 2025
16 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for o1-labs/o1js: Completed a foundational API modernization by replacing the Circuit API with a ZkFunction-centric design aligned to ZkProgram style. Introduced a ZkFunction factory, modernized circuit definitions, and standardized input handling, key management, and API ergonomics. The overhaul consolidates circuit definitions under ZkFunction, enabling easier developer experience, better maintainability, and consistent usage across docs, tests, and benchmarks. This work lays a stable foundation for future feature work and accelerates onboarding for new contributors by reducing API drift and improving discoverability of core capabilities.
16 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for o1-labs/o1js: Completed a foundational API modernization by replacing the Circuit API with a ZkFunction-centric design aligned to ZkProgram style. Introduced a ZkFunction factory, modernized circuit definitions, and standardized input handling, key management, and API ergonomics. The overhaul consolidates circuit definitions under ZkFunction, enabling easier developer experience, better maintainability, and consistent usage across docs, tests, and benchmarks. This work lays a stable foundation for future feature work and accelerates onboarding for new contributors by reducing API drift and improving discoverability of core capabilities.
June 2025
February 2025
9 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for o1-labs/o1js focusing on ProvableBigInt API enhancements and modular arithmetic. Delivered features and fixes enabling cryptographic modular arithmetic, safer numeric operations, and improved test coverage. Resulting in more robust provable computations and faster iteration for cryptographic integrations.
February 2025
9 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for o1-labs/o1js focusing on ProvableBigInt API enhancements and modular arithmetic. Delivered features and fixes enabling cryptographic modular arithmetic, safer numeric operations, and improved test coverage. Resulting in more robust provable computations and faster iteration for cryptographic integrations.
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Quality Metrics
Correctness96.0%
Maintainability94.8%
Architecture91.8%
Performance91.0%
AI Usage21.4%
Skills & Technologies
Programming Languages
BashC++JSONJavaScriptMarkdownShellTypeScriptYAMLbashjavascript
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI RefactoringAPI designAPI developmentAPI integrationAsynchronous ProgrammingBig Integer ArithmeticBigInt ArithmeticBlockchain DevelopmentBuild AutomationBuild ProcessBuild Script ManagementBuild Scripting
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