corda/corda
Sep 2025 – Jan 2026
3 Months active
Languages Used
Kotlin
Technical Skills
CordaKotlinblockchain developmentbackend developmentCorda frameworkunit testing
szymonsztuka
PROFILE
Szymonsztuka
Szymon Sztuka contributed to the corda/corda repository by developing features that enhance blockchain transaction flexibility and cross-chain integration. He built the Notary Inputless Transactions capability, allowing transactions without input states to be sent to a Notary when a notary instruction is present, while maintaining backward compatibility for existing flows. Szymon also introduced SolanaInstruction classes, enabling Solana transaction instructions within Corda and laying the foundation for cross-chain workflows. His work included targeted bug fixes, such as improving FinalityFlow logging safety. Throughout, he applied Kotlin and Corda framework expertise, emphasizing stability, maintainability, and seamless integration with existing deployments.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
3Total
Bugs
1
Commits
3
Features
2
Lines of code
407,830
Activity Months3
Your Network
32 peopleSame Organization
@r3.com16
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026: Delivered Solana integration scaffolding for Corda by introducing SolanaInstruction and related classes to enable Solana transaction instructions within the Corda framework. Added tests to validate the new functionality and ensure correctness. This work provides cross-chain transaction capabilities and lays groundwork for Solana-based workflows. No major bugs fixed this month.
1 Commits • 1 Features
Jan 1, 2026January 2026: Delivered Solana integration scaffolding for Corda by introducing SolanaInstruction and related classes to enable Solana transaction instructions within the Corda framework. Added tests to validate the new functionality and ensure correctness. This work provides cross-chain transaction capabilities and lays groundwork for Solana-based workflows. No major bugs fixed this month.
January 2026
December 2025
1 Commits
Dec 1, 2025December 2025 (corda/corda): Stability and log hygiene improvements focused on FinalityFlow. Implemented a guard to log only WireTransaction command data, preventing debug noise from NotaryChangeWireTransaction and avoiding potential casting errors. This change aligns with ENT-14675 and is recorded in commit eafe5941e66c3dea02a19ac3b0e07f6271f6a9dd, delivering safer, clearer diagnostics and reduced production log noise.
December 2025
1 Commits
Dec 1, 2025December 2025 (corda/corda): Stability and log hygiene improvements focused on FinalityFlow. Implemented a guard to log only WireTransaction command data, preventing debug noise from NotaryChangeWireTransaction and avoiding potential casting errors. This change aligns with ENT-14675 and is recorded in commit eafe5941e66c3dea02a19ac3b0e07f6271f6a9dd, delivering safer, clearer diagnostics and reduced production log noise.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly report for corda/corda: Delivered a high-impact Notary Inputless Transactions feature, enabling sending transactions with no input states to a Notary when a notary instruction is provided. This increases transaction flexibility while preserving backward compatibility; FinalityFlow and OldFinalityFlow semantics remain unchanged. The work strengthens the Notary workflow and supports advanced transaction patterns without impacting existing Cordapps. No major bugs fixed this month; focus was on feature delivery, stability validation, and compatibility checks across core flows. Technologies demonstrated include Kotlin/Java, Notary integration patterns, and careful change-management to preserve existing deployments.
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly report for corda/corda: Delivered a high-impact Notary Inputless Transactions feature, enabling sending transactions with no input states to a Notary when a notary instruction is provided. This increases transaction flexibility while preserving backward compatibility; FinalityFlow and OldFinalityFlow semantics remain unchanged. The work strengthens the Notary workflow and supports advanced transaction patterns without impacting existing Cordapps. No major bugs fixed this month; focus was on feature delivery, stability validation, and compatibility checks across core flows. Technologies demonstrated include Kotlin/Java, Notary integration patterns, and careful change-management to preserve existing deployments.
September 2025
Activity
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Quality Metrics
Correctness93.4%
Maintainability86.6%
Architecture93.4%
Performance86.6%
AI Usage26.6%
Skills & Technologies
Programming Languages
Kotlin
Technical Skills
CordaCorda frameworkKotlinbackend developmentblockchain developmentunit testing
Repositories Contributed To
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