
Sergey Andreev developed and maintained the tonkeeper/tonkeeper-web repository, delivering a robust, cross-platform wallet experience with a focus on security, reliability, and extensibility. He engineered features such as device-based storage with migration, mobile dApp browser enhancements, and advanced authentication flows, leveraging TypeScript, React, and Capacitor. Sergey refactored core modules for maintainability, integrated analytics and logging for observability, and implemented CI/CD pipelines to streamline releases. His work addressed complex challenges in blockchain integration, secure storage, and multi-device synchronization, resulting in a stable, scalable codebase. The depth of his engineering ensured consistent user experience and accelerated product delivery across platforms.

October 2025 performance summary for tonkeeper-web: Delivered a device-based storage framework with a migration path, enabling resilient user data storage across devices and platforms. Completed release groundwork and version management for the 4.3.x line, including 4.3.0 preparation and subsequent bumps to support hotfixes and migrations. Implemented stability and quality improvements across the stack, improving reliability, observability, and user experience. Demonstrated strong cross-functional engineering through storage design, plugin stabilization, logging hygiene, localization, and build instrumentation.
October 2025 performance summary for tonkeeper-web: Delivered a device-based storage framework with a migration path, enabling resilient user data storage across devices and platforms. Completed release groundwork and version management for the 4.3.x line, including 4.3.0 preparation and subsequent bumps to support hotfixes and migrations. Implemented stability and quality improvements across the stack, improving reliability, observability, and user experience. Demonstrated strong cross-functional engineering through storage design, plugin stabilization, logging hygiene, localization, and build instrumentation.
Month: 2025-09 — Delivered key features, stabilized UX across platforms, and accelerated release readiness, driving value for users and business stakeholders. Focused on cross-platform reliability, localization expansion, and a robust release process that supports ongoing growth across Tonkeeper Web, extensions, mobile, and Ledger components.
Month: 2025-09 — Delivered key features, stabilized UX across platforms, and accelerated release readiness, driving value for users and business stakeholders. Focused on cross-platform reliability, localization expansion, and a robust release process that supports ongoing growth across Tonkeeper Web, extensions, mobile, and Ledger components.
August 2025 (tonkeeper-web) delivered critical features, stability fixes, and platform enhancements that drive business value. Highlights include TRC20-TON sender improvements; authentication robustness updates; auth data service refactor to pro service; desktop bridge support via URL configuration; and platform flags and Tonkeeper API integration for safer feature toggling. These changes improve transaction reliability, security, cross-platform connectivity, and release maturity.
August 2025 (tonkeeper-web) delivered critical features, stability fixes, and platform enhancements that drive business value. Highlights include TRC20-TON sender improvements; authentication robustness updates; auth data service refactor to pro service; desktop bridge support via URL configuration; and platform flags and Tonkeeper API integration for safer feature toggling. These changes improve transaction reliability, security, cross-platform connectivity, and release maturity.
July 2025 for tonkeeper-web focused on strengthening release readiness, expanding CI flexibility, and delivering UX and security enhancements while stabilizing core functionality. Key work included release tagging for 4.1.0 with release-pipeline updates, CI improvements for tonconsole host selection, Wallet UI enhancements with a new wallet icon and localized strings, emulation address display and copy capability, and prep work for back-to-back releases 4.1.1 and 4.1.2. These efforts reduce release risk, improve developer productivity, and enhance user experience across the web app and extensions.
July 2025 for tonkeeper-web focused on strengthening release readiness, expanding CI flexibility, and delivering UX and security enhancements while stabilizing core functionality. Key work included release tagging for 4.1.0 with release-pipeline updates, CI improvements for tonconsole host selection, Wallet UI enhancements with a new wallet icon and localized strings, emulation address display and copy capability, and prep work for back-to-back releases 4.1.1 and 4.1.2. These efforts reduce release risk, improve developer productivity, and enhance user experience across the web app and extensions.
June 2025: Delivered core mobile dApp browser enhancements and stability improvements that directly increase user adoption, engagement, and reliability. Implemented injected bridge and tab management for the mobile dApp browser, introduced the Dapp Browser Tab Header UI, completed Fireblocks SK signing integration, and added analytics events generation/refactor for better product insights. Fixed critical UX and stability bugs across the Dapp Browser, including z-index layering, routing, metadata extraction, subscriptions handling, animation visibility, and safe-area aware tab behavior. Overall impact includes improved mobile UX, reliability, and security with measurable product analytics support.
June 2025: Delivered core mobile dApp browser enhancements and stability improvements that directly increase user adoption, engagement, and reliability. Implemented injected bridge and tab management for the mobile dApp browser, introduced the Dapp Browser Tab Header UI, completed Fireblocks SK signing integration, and added analytics events generation/refactor for better product insights. Fixed critical UX and stability bugs across the Dapp Browser, including z-index layering, routing, metadata extraction, subscriptions handling, animation visibility, and safe-area aware tab behavior. Overall impact includes improved mobile UX, reliability, and security with measurable product analytics support.
May 2025 (2025-05) focused on stabilizing the tonkeeper-web codebase while delivering key features, improvements, and security/best-practice updates across web, mobile, and desktop surfaces. The month culminated in a release cadence with 4.0.2 and supporting CI/CD enhancements, alongside significant UX and reliability improvements that boost user trust and developer velocity.
May 2025 (2025-05) focused on stabilizing the tonkeeper-web codebase while delivering key features, improvements, and security/best-practice updates across web, mobile, and desktop surfaces. The month culminated in a release cadence with 4.0.2 and supporting CI/CD enhancements, alongside significant UX and reliability improvements that boost user trust and developer velocity.
April 2025 monthly summary for tonkeeper-web. Delivered user-facing features that strengthen security, onboarding, and cross-platform usability, while systematically fixing regressions across mobile, web, and extension surfaces. Key feature work includes mobile lockscreen with Face ID authentication, support for complex ton:// transactions, mobile ledger access via Bluetooth, Ton Connect redirect/name updates, and a refreshed app footer. Release engineering improvements included prerelease scripting and automated release 3.30.4, plus migration of the extension build from Webpack to Vite, and localization refinements to better support global users. Major bug-fixing effort targeted core reliability, input handling, and UX consistency across PRO-209, PRO-213, PRO-218, PRO-223, and PRO-227, along with related signer/deeplink and notification improvements. The combined results drive higher platform reliability, quicker time-to-value for new users, and stronger developer velocity through improved tooling and CI/CD hygiene.
April 2025 monthly summary for tonkeeper-web. Delivered user-facing features that strengthen security, onboarding, and cross-platform usability, while systematically fixing regressions across mobile, web, and extension surfaces. Key feature work includes mobile lockscreen with Face ID authentication, support for complex ton:// transactions, mobile ledger access via Bluetooth, Ton Connect redirect/name updates, and a refreshed app footer. Release engineering improvements included prerelease scripting and automated release 3.30.4, plus migration of the extension build from Webpack to Vite, and localization refinements to better support global users. Major bug-fixing effort targeted core reliability, input handling, and UX consistency across PRO-209, PRO-213, PRO-218, PRO-223, and PRO-227, along with related signer/deeplink and notification improvements. The combined results drive higher platform reliability, quicker time-to-value for new users, and stronger developer velocity through improved tooling and CI/CD hygiene.
March 2025 (tonkeeper-web) delivered stability and mobile‑first enhancements with prioritized battery features and Ton Connect improvements. Major items include Battery API rebuilt with improved USDT charge estimation and integrated assets/icons; introduction of gasless Ton Connect and swaps; pull‑to‑refresh and improved multisend/wallet creation UX; Splashscreen and Mobile Pro Home revamp with broader UI/UX polish; and a broad set of bug fixes (PRO‑176 and related) across accounts, navigation, modals, and build reliability. Real‑time handling and invalidation improvements further boosted data consistency. Overall impact: stronger reliability, smoother user journeys for wallet actions, and improved mobile onboarding, driving higher user satisfaction, reduced support, and increased transaction success rates. Top achievements highlight business value and technical execution across front‑end, API, and mobile layers.
March 2025 (tonkeeper-web) delivered stability and mobile‑first enhancements with prioritized battery features and Ton Connect improvements. Major items include Battery API rebuilt with improved USDT charge estimation and integrated assets/icons; introduction of gasless Ton Connect and swaps; pull‑to‑refresh and improved multisend/wallet creation UX; Splashscreen and Mobile Pro Home revamp with broader UI/UX polish; and a broad set of bug fixes (PRO‑176 and related) across accounts, navigation, modals, and build reliability. Real‑time handling and invalidation improvements further boosted data consistency. Overall impact: stronger reliability, smoother user journeys for wallet actions, and improved mobile onboarding, driving higher user satisfaction, reduced support, and increased transaction success rates. Top achievements highlight business value and technical execution across front‑end, API, and mobile layers.
February 2025 delivered a mobile-first wallet experience with secure onboarding, reliability improvements, and performance-focused optimizations across tonkeeper-web. Key features include a mobile footer and wallet import by secret key, a new Preferences modal, Tron USDT transfers via the Battery API, and a streamlined multisig workflow. The month also included network selection UX improvements and targeted localization/UI polish to ensure a consistent experience on both mobile and desktop, along with code-quality enhancements to sustain maintainability.
February 2025 delivered a mobile-first wallet experience with secure onboarding, reliability improvements, and performance-focused optimizations across tonkeeper-web. Key features include a mobile footer and wallet import by secret key, a new Preferences modal, Tron USDT transfers via the Battery API, and a streamlined multisig workflow. The month also included network selection UX improvements and targeted localization/UI polish to ensure a consistent experience on both mobile and desktop, along with code-quality enhancements to sustain maintainability.
January 2025 (2025-01) performance summary for tonkeeper-web (repository: tonkeeper/tonkeeper-web). Focused on delivering a mobile-first experience, stabilizing cross‑platform routing, and strengthening security and infrastructure. Key features shipped, critical fixes applied, and a leaner codebase enabling faster future delivery. Business impact includes improved mobile user experience, more reliable navigation across web/mobile/tablet, and a stronger security posture with reusable UI components.
January 2025 (2025-01) performance summary for tonkeeper-web (repository: tonkeeper/tonkeeper-web). Focused on delivering a mobile-first experience, stabilizing cross‑platform routing, and strengthening security and infrastructure. Key features shipped, critical fixes applied, and a leaner codebase enabling faster future delivery. Business impact includes improved mobile user experience, more reliable navigation across web/mobile/tablet, and a stronger security posture with reusable UI components.
December 2024 monthly summary for tonkeeper/tonkeeper-web. Focused on cross-device usability, reliability, and security. Delivered several key features, major fixes, and improvements across TON Connect, widget UX, push notifications, API tooling, and hardware wallet integrations.
December 2024 monthly summary for tonkeeper/tonkeeper-web. Focused on cross-device usability, reliability, and security. Delivered several key features, major fixes, and improvements across TON Connect, widget UX, push notifications, API tooling, and hardware wallet integrations.
November 2024 (tonkeeper-web): Consolidated cross-platform improvements and bug fixes across the web/mobile/tablet surface. Delivered security enhancements, platform integrations, and tooling to improve reliability, user experience, and time-to-market for features.
November 2024 (tonkeeper-web): Consolidated cross-platform improvements and bug fixes across the web/mobile/tablet surface. Delivered security enhancements, platform integrations, and tooling to improve reliability, user experience, and time-to-market for features.
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