
Emkil Russel developed and maintained core features for the novasamatech/nova-wallet-ios repository, focusing on cross-chain asset management, staking workflows, and multisig operations. He engineered robust transaction pipelines and enhanced reliability by refactoring runtime APIs, integrating Substrate SDK v4, and modernizing operation execution with direct OperationQueue usage. Using Swift and leveraging technologies like XCM and EVM, Emkil improved fee estimation, validation logic, and asynchronous event handling to support complex DeFi and wallet migration scenarios. His work included deep test coverage, CI/CD stabilization, and modularization, resulting in a maintainable codebase that supports secure, scalable multi-chain wallet functionality for end users.

October 2025 in nova-wallet-ios: Implemented foundational staking workflow improvements to improve accuracy, reliability, and developer ergonomics. Delivered era-length and mortality calculation enhancements, robust extrinsic submission monitoring, and a modernization of the operation execution flow, alongside testing/build reliability improvements and runtime fixes. These changes increase staking security, reduce failure rates, and streamline future development while tightening CI and observability.
October 2025 in nova-wallet-ios: Implemented foundational staking workflow improvements to improve accuracy, reliability, and developer ergonomics. Delivered era-length and mortality calculation enhancements, robust extrinsic submission monitoring, and a modernization of the operation execution flow, alongside testing/build reliability improvements and runtime fixes. These changes increase staking security, reduce failure rates, and streamline future development while tightening CI and observability.
September 2025 (2025-09) performance summary for novasamatech/nova-wallet-ios: Delivered stability improvements, modularization, and release-ready CI/build enhancements that reduce risk and speed up future feature delivery. Key work included stabilizing RSwift tooling and imports, migrating module generation to Swift Package Manager, and stabilizing the test suite to ensure reliable releases. Additional impact came from CI/config optimizations, removal of FireMock, and project setup overhauls to simplify maintenance and onboarding.
September 2025 (2025-09) performance summary for novasamatech/nova-wallet-ios: Delivered stability improvements, modularization, and release-ready CI/build enhancements that reduce risk and speed up future feature delivery. Key work included stabilizing RSwift tooling and imports, migrating module generation to Swift Package Manager, and stabilizing the test suite to ensure reliable releases. Additional impact came from CI/config optimizations, removal of FireMock, and project setup overhauls to simplify maintenance and onboarding.
August 2025: Modernization and cross-chain readiness for nova-wallet-ios. Delivered Substrate SDK v4 migration, enabling updated primitives and future compatibility, and integrated Trust Wallet import with account factory and metadata, backed by a refactor of secret import services for a smoother, safer onboarding flow. Key groundwork was advanced for the Timeline feature, and unapplied slashes were introduced with an async version to improve cross-chain handling. Implemented pre-submission XCM transfer verification with dynamic-config gating and fixed XCM programs to reduce cross-chain errors. Stability and quality were significantly improved through CI/test stabilization and expanded test coverage. Additional performance and cross-chain readiness work included Hydra/EVM balance sync improvements, omnipool balance integration, and balance fetcher integration to lower latency and improve reliability for end users.
August 2025: Modernization and cross-chain readiness for nova-wallet-ios. Delivered Substrate SDK v4 migration, enabling updated primitives and future compatibility, and integrated Trust Wallet import with account factory and metadata, backed by a refactor of secret import services for a smoother, safer onboarding flow. Key groundwork was advanced for the Timeline feature, and unapplied slashes were introduced with an async version to improve cross-chain handling. Implemented pre-submission XCM transfer verification with dynamic-config gating and fixed XCM programs to reduce cross-chain errors. Stability and quality were significantly improved through CI/test stabilization and expanded test coverage. Additional performance and cross-chain readiness work included Hydra/EVM balance sync improvements, omnipool balance integration, and balance fetcher integration to lower latency and improve reliability for end users.
July 2025 monthly highlights for novasamatech/nova-wallet-ios. Focused on hardening multisig operations, improving the operation lifecycle, and enhancing cross-chain visibility and UX. Delivered a robust multisig operation workflow with enhanced confirmation and rejection handling; introduced pending operations and signatories management; centralized time/block utilities and efficient raw call data storage; advanced validation capabilities including compound and multisig-specific checks; consolidated extrinsic submission UX and improved navigation/UI transitions; and pushed reliability through test stabilization, crash fixes, and cross-chain fixes (Mythos sync, revert sync, and XCM adjustments). These changes delivered measurable business value: stronger security posture, fewer failures in critical flows, faster issue detection, and clearer transaction visibility across supported chains.
July 2025 monthly highlights for novasamatech/nova-wallet-ios. Focused on hardening multisig operations, improving the operation lifecycle, and enhancing cross-chain visibility and UX. Delivered a robust multisig operation workflow with enhanced confirmation and rejection handling; introduced pending operations and signatories management; centralized time/block utilities and efficient raw call data storage; advanced validation capabilities including compound and multisig-specific checks; consolidated extrinsic submission UX and improved navigation/UI transitions; and pushed reliability through test stabilization, crash fixes, and cross-chain fixes (Mythos sync, revert sync, and XCM adjustments). These changes delivered measurable business value: stronger security posture, fewer failures in critical flows, faster issue detection, and clearer transaction visibility across supported chains.
June 2025 monthly performance summary for novasamatech projects. Key outcomes: strengthened cross-chain reliability and developer productivity through new test coverage, reliability fixes, and architectural improvements. Delivered backup tests for Nova Wallet iOS; added EVM account synchronization with dedicated tests including no-EVM scenarios; fixed EVM address provisioning to resolve missing addresses; migrated core EVM subscriptions to an in-memory model for improved responsiveness; upgraded the Substrate SDK to 4.x and aligned dependencies to enhance long-term maintainability. Additional stability and UX improvements included localization refinements and UI enhancements (MS section display) to improve user comprehension and reduce support friction. These changes collectively reduce risk, improve onboarding, and enable faster feature delivery across multi-chain functionality.
June 2025 monthly performance summary for novasamatech projects. Key outcomes: strengthened cross-chain reliability and developer productivity through new test coverage, reliability fixes, and architectural improvements. Delivered backup tests for Nova Wallet iOS; added EVM account synchronization with dedicated tests including no-EVM scenarios; fixed EVM address provisioning to resolve missing addresses; migrated core EVM subscriptions to an in-memory model for improved responsiveness; upgraded the Substrate SDK to 4.x and aligned dependencies to enhance long-term maintainability. Additional stability and UX improvements included localization refinements and UI enhancements (MS section display) to improve user comprehension and reduce support friction. These changes collectively reduce risk, improve onboarding, and enable faster feature delivery across multi-chain functionality.
May 2025 monthly summary for novasamatech/nova-wallet-ios: Delivered significant improvements across deep linking, migration workflows, and architecture, with a strong emphasis on business value, reliability, and maintainability. Highlights include universal/deep link handling enhancements, a comprehensive wallet migration workflow (service, onboarding integration, and UI), and consolidation of migration and secure session logic into reusable libraries. The team reinforced stability with extensive test fixes, introduced UI/UX refinements, and expanded device/ledger support, positioning the project for scalable growth and smoother user onboarding.
May 2025 monthly summary for novasamatech/nova-wallet-ios: Delivered significant improvements across deep linking, migration workflows, and architecture, with a strong emphasis on business value, reliability, and maintainability. Highlights include universal/deep link handling enhancements, a comprehensive wallet migration workflow (service, onboarding integration, and UI), and consolidation of migration and secure session logic into reusable libraries. The team reinforced stability with extensive test fixes, introduced UI/UX refinements, and expanded device/ledger support, positioning the project for scalable growth and smoother user onboarding.
April 2025 monthly summary for novasamatech/nova-wallet-ios. Focused on delivering cross-chain capabilities, enhancing transaction economics, and strengthening code quality. Major features include the call construction core integrated into the pipeline, enabling scalable and reliable call execution; enabling delivery fee payments from holding funds to improve transaction cost flow; a runtime API refactor for maintainability and forward compatibility; initial universal XCM support with ongoing refactoring; and comprehensive encoding improvements for assets, locations, instructions, and arrays to improve interoperability. Additionally, the month included significant testing and maintenance efforts to stabilize dependencies and increase regression coverage, groundwork for weight-based call splitting and block-limit accumulation, and a suite of bug fixes and cleanup tasks to improve reliability. These efforts collectively improve cross-chain reliability, reduce friction in transactions, and set the foundation for feature work in future releases.
April 2025 monthly summary for novasamatech/nova-wallet-ios. Focused on delivering cross-chain capabilities, enhancing transaction economics, and strengthening code quality. Major features include the call construction core integrated into the pipeline, enabling scalable and reliable call execution; enabling delivery fee payments from holding funds to improve transaction cost flow; a runtime API refactor for maintainability and forward compatibility; initial universal XCM support with ongoing refactoring; and comprehensive encoding improvements for assets, locations, instructions, and arrays to improve interoperability. Additionally, the month included significant testing and maintenance efforts to stabilize dependencies and increase regression coverage, groundwork for weight-based call splitting and block-limit accumulation, and a suite of bug fixes and cleanup tasks to improve reliability. These efforts collectively improve cross-chain reliability, reduce friction in transactions, and set the foundation for feature work in future releases.
March 2025 – Nova Wallet iOS: Focused on strengthening cross-chain reliability, localization, UI stability, and test robustness, while expanding platform reach and performance. Key business value delivered includes expanded Mythos localization and precise APY calculations, robust XCM cross-chain handling, and broader browser support to increase user adoption. Achievements include notable feature deliveries, extensive test coverage, and critical bug fixes across UI, asset sync, and DApp flows.
March 2025 – Nova Wallet iOS: Focused on strengthening cross-chain reliability, localization, UI stability, and test robustness, while expanding platform reach and performance. Key business value delivered includes expanded Mythos localization and precise APY calculations, robust XCM cross-chain handling, and broader browser support to increase user adoption. Achievements include notable feature deliveries, extensive test coverage, and critical bug fixes across UI, asset sync, and DApp flows.
February 2025: Focused on stabilizing core wallet functionality and expanding multi-chain capabilities. Delivered security and reliability improvements, introduced new architecture for navigation and URL handling, integrated Mythos Staking state management, and enhanced testing coverage to improve release confidence. These efforts lay groundwork for user engagement, safer navigation, and scalable multi-chain workflows.
February 2025: Focused on stabilizing core wallet functionality and expanding multi-chain capabilities. Delivered security and reliability improvements, introduced new architecture for navigation and URL handling, integrated Mythos Staking state management, and enhanced testing coverage to improve release confidence. These efforts lay groundwork for user engagement, safer navigation, and scalable multi-chain workflows.
January 2025 focused on stabilizing core wallet flows, enhancing cross-chain capabilities, and improving DApp interoperability to drive reliability and faster feature delivery. The team delivered robust cross-chain transfer/event detection, safer DApp signing paths, and improved deep linking, while ensuring reproducible builds through dependency pinning. A critical UI bug fix improved wallet option presentation by using the correct view context, reducing UX edge cases.
January 2025 focused on stabilizing core wallet flows, enhancing cross-chain capabilities, and improving DApp interoperability to drive reliability and faster feature delivery. The team delivered robust cross-chain transfer/event detection, safer DApp signing paths, and improved deep linking, while ensuring reproducible builds through dependency pinning. A critical UI bug fix improved wallet option presentation by using the correct view context, reducing UX edge cases.
December 2024 monthly summary for novasamatech/nova-wallet-ios: This period delivered a set of user-facing features, robustness improvements, and performance optimizations across the swap and submission flow, with a strong emphasis on reliability, compliance with validations, and improved user experience. Core features include a Debounce mechanism for the requote flow, enabling lifecycle cleanup and reducing duplicate submissions; a comprehensive Fee Handling Enhancement that adds fee support in pay assets, capability checks, and conversions of submission fees to ExtrinsicFee while removing manual network fee adjustments. The Validation framework was expanded with Draft Validations, proxy-case handling, intermediate ED validation, and completion/fix workflows, increasing early failure detection and end-to-end correctness. UI/UX and navigation saw improvements in route drafting, data binding, layout/navigation updates, and a new navigation path to the asset-out screen after swap completion. Additional platform health and performance work covered refactoring of execution flow, move to a dedicated asset service, price-aware fee calculation using the price store, and node reachability caching. Impact and business value: improved trade reliability and user experience, clearer fee presentation, and faster, more predictable swap flows; reduced risk through stabilized tests, memory leak fixes, and dependency corrections; architecture improvements position the codebase for easier future iterations and easier maintainability. Technologies/skills demonstrated: Swift/iOS development patterns, debouncing, advanced validation frameworks, service layer design, caching strategies, UI/UX alignment, and strong focus on test automation and stability.
December 2024 monthly summary for novasamatech/nova-wallet-ios: This period delivered a set of user-facing features, robustness improvements, and performance optimizations across the swap and submission flow, with a strong emphasis on reliability, compliance with validations, and improved user experience. Core features include a Debounce mechanism for the requote flow, enabling lifecycle cleanup and reducing duplicate submissions; a comprehensive Fee Handling Enhancement that adds fee support in pay assets, capability checks, and conversions of submission fees to ExtrinsicFee while removing manual network fee adjustments. The Validation framework was expanded with Draft Validations, proxy-case handling, intermediate ED validation, and completion/fix workflows, increasing early failure detection and end-to-end correctness. UI/UX and navigation saw improvements in route drafting, data binding, layout/navigation updates, and a new navigation path to the asset-out screen after swap completion. Additional platform health and performance work covered refactoring of execution flow, move to a dedicated asset service, price-aware fee calculation using the price store, and node reachability caching. Impact and business value: improved trade reliability and user experience, clearer fee presentation, and faster, more predictable swap flows; reduced risk through stabilized tests, memory leak fixes, and dependency corrections; architecture improvements position the codebase for easier future iterations and easier maintainability. Technologies/skills demonstrated: Swift/iOS development patterns, debouncing, advanced validation frameworks, service layer design, caching strategies, UI/UX alignment, and strong focus on test automation and stability.
November 2024 performance summary for novasamatech/nova-wallet-ios. Key deliverables and business value: - Pathfinding Filter Enhancements: added options for Dijkstra and BFS filtering to support selective routing, reducing path computation overhead and improving UX in complex networks. - Inflation distribution support for parachain staking: introduced inflation distribution logic to optimize reward allocation for stakers, aligning with network economics goals. - Cross-Chain Core: Execution, Tracking, and Monitoring: implemented asset hub and Hydra execution paths, tracking of swap segments and amounts, cross-chain arrival detection, and ongoing monitoring to increase reliability of cross-chain operations. - Fee system overhaul: unified and dynamic fee handling across modules, including runtime API-derived fee types, fetchers for asset hub and Hydra, buffering for native swaps, and intermediate-fee calculation from quotes to improve accuracy and responsiveness. - UI/UX and observability: launched delete/insert animation and ensured current quote display, enhanced route/graph display, and expanded logging for better observability; introduced testing infrastructure updates, including no-route test coverage and test fixes.
November 2024 performance summary for novasamatech/nova-wallet-ios. Key deliverables and business value: - Pathfinding Filter Enhancements: added options for Dijkstra and BFS filtering to support selective routing, reducing path computation overhead and improving UX in complex networks. - Inflation distribution support for parachain staking: introduced inflation distribution logic to optimize reward allocation for stakers, aligning with network economics goals. - Cross-Chain Core: Execution, Tracking, and Monitoring: implemented asset hub and Hydra execution paths, tracking of swap segments and amounts, cross-chain arrival detection, and ongoing monitoring to increase reliability of cross-chain operations. - Fee system overhaul: unified and dynamic fee handling across modules, including runtime API-derived fee types, fetchers for asset hub and Hydra, buffering for native swaps, and intermediate-fee calculation from quotes to improve accuracy and responsiveness. - UI/UX and observability: launched delete/insert animation and ensured current quote display, enhanced route/graph display, and expanded logging for better observability; introduced testing infrastructure updates, including no-route test coverage and test fixes.
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