KeystoneHQ/keystone3-firmware
Nov 2024 – Feb 2026
16 Months active
Languages Used
CCSVJavaScriptBatchC++CMakeCmakeRust
Technical Skills
BlockchainC ProgrammingCode FormattingCryptocurrencyEmbedded SystemsFirmware Development
ww3512687
PROFILE
Ww3512687
Over 16 months, this developer engineered cross-chain wallet features and stability improvements for the KeystoneHQ/keystone3-firmware repository. They delivered multi-asset support, including IOTA, Avalanche, and Cardano, while refining wallet UI/UX and integrating new wallets like Nabox and Bull. Their work involved deep C and Rust development, focusing on embedded systems, cryptography, and transaction parsing. They enhanced security with randomized PIN pads and robust address validation, improved localization, and maintained reliability through targeted bug fixes and extensive test coverage. The developer’s approach emphasized modular design, memory management, and maintainable code, resulting in a scalable, user-friendly firmware platform.
Overall Statistics
Feature vs Bugs
59%Features
Repository Contributions
334Total
Bugs
81
Commits
334
Features
116
Lines of code
262,857
Activity Months16
Your Network
10 people
Work History
February 2026
10 Commits • 2 Features
Feb 1, 2026February 2026: KeystoneHQ/keystone3-firmware delivered targeted UX and wallet integration improvements, including localization fixes, multi-wallet filters, Bull Wallet support, and SOL_BIP44_PREFIX improvements, paired with added test coverage to strengthen reliability.
10 Commits • 2 Features
Feb 1, 2026February 2026: KeystoneHQ/keystone3-firmware delivered targeted UX and wallet integration improvements, including localization fixes, multi-wallet filters, Bull Wallet support, and SOL_BIP44_PREFIX improvements, paired with added test coverage to strengthen reliability.
February 2026
January 2026
13 Commits • 2 Features
Jan 1, 2026January 2026 delivered a Wallet UI/UX overhaul for KeystoneHQ/keystone3-firmware with multi-wallet connectivity and cross-chain support, featuring Nabox integration, updated naming (BlueWallet), and build flags for BTC/LTC. Hardened address handling across Bitcoin, Bitcoin Cash, and other networks with ownership flags to improve clarity and management. Expanded BTC transaction testing (signing messages, PSBT parsing, input validation) to improve reliability. Codebase refinements including a refactor for readability/maintainability and targeted updates to Nabox pubkeys and wallet list to support Nabox. Achievements were underpinned by focused fixes and enhancements across UI, tests, and build configurations.
January 2026
13 Commits • 2 Features
Jan 1, 2026January 2026 delivered a Wallet UI/UX overhaul for KeystoneHQ/keystone3-firmware with multi-wallet connectivity and cross-chain support, featuring Nabox integration, updated naming (BlueWallet), and build flags for BTC/LTC. Hardened address handling across Bitcoin, Bitcoin Cash, and other networks with ownership flags to improve clarity and management. Expanded BTC transaction testing (signing messages, PSBT parsing, input validation) to improve reliability. Codebase refinements including a refactor for readability/maintainability and targeted updates to Nabox pubkeys and wallet list to support Nabox. Achievements were underpinned by focused fixes and enhancements across UI, tests, and build configurations.
December 2025
13 Commits • 4 Features
Dec 1, 2025Concise monthly summary for 2025-12 focusing on KeystoneHQ/keystone3-firmware. This period delivered substantial wallet platform enhancements, improved asset support, and stability improvements that directly scale business value and user satisfaction. Key outcomes include a refreshed Wallet UI and asset modernization, new wallet integrations, native address support, and targeted bug fixes that reduce crashes and ensure correct wallet behavior across scenarios.
13 Commits • 4 Features
Dec 1, 2025Concise monthly summary for 2025-12 focusing on KeystoneHQ/keystone3-firmware. This period delivered substantial wallet platform enhancements, improved asset support, and stability improvements that directly scale business value and user satisfaction. Key outcomes include a refreshed Wallet UI and asset modernization, new wallet integrations, native address support, and targeted bug fixes that reduce crashes and ensure correct wallet behavior across scenarios.
December 2025
November 2025
4 Commits • 1 Features
Nov 1, 2025November 2025 Monthly Summary for KeystoneHQ/keystone3-firmware focused on delivering broader blockchain compatibility, UI quality, and stability improvements. Key outcomes include expanded network and token support, targeted UI fixes, and stability improvements that enhance user experience and reliability.
November 2025
4 Commits • 1 Features
Nov 1, 2025November 2025 Monthly Summary for KeystoneHQ/keystone3-firmware focused on delivering broader blockchain compatibility, UI quality, and stability improvements. Key outcomes include expanded network and token support, targeted UI fixes, and stability improvements that enhance user experience and reliability.
October 2025
15 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary focusing on delivering secure wallet UX, UI polish, and code quality improvements across KeystoneHQ/keystone3-firmware. Delivered key features, fixed critical UI bugs in import flows, and enhanced stability through linting, formatting, and tests, enabling faster releases and reduced risk.
15 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary focusing on delivering secure wallet UX, UI polish, and code quality improvements across KeystoneHQ/keystone3-firmware. Delivered key features, fixed critical UI bugs in import flows, and enhanced stability through linting, formatting, and tests, enabling faster releases and reduced risk.
October 2025
September 2025
17 Commits • 8 Features
Sep 1, 2025September 2025 monthly summary for KeystoneHQ/keystone3-firmware: Expanded cross-asset wallet capabilities, security UX improvements, and build reliability. Delivered PSBT support with parsing and signing, added Cardano SLIP39 seed support, introduced randomized PIN pad layout, integrated IOTA wallet, and extended Dogecoin multi-signature support. Resolved critical PSBT parsing bug, stabilized builds with version-flag gating, and updated dependencies (Keystone SDK). UI and localization refinements included hardware version display shortening and font/localization updates, plus TON UI phrasing fixes. These changes collectively broaden asset support, improve security, and reduce release risk.
September 2025
17 Commits • 8 Features
Sep 1, 2025September 2025 monthly summary for KeystoneHQ/keystone3-firmware: Expanded cross-asset wallet capabilities, security UX improvements, and build reliability. Delivered PSBT support with parsing and signing, added Cardano SLIP39 seed support, introduced randomized PIN pad layout, integrated IOTA wallet, and extended Dogecoin multi-signature support. Resolved critical PSBT parsing bug, stabilized builds with version-flag gating, and updated dependencies (Keystone SDK). UI and localization refinements included hardware version display shortening and font/localization updates, plus TON UI phrasing fixes. These changes collectively broaden asset support, improve security, and reduce release risk.
August 2025
8 Commits • 5 Features
Aug 1, 2025In August 2025, delivered significant feature improvements and reliability enhancements for KeystoneHQ/keystone3-firmware, focusing on cross-chain usability, UI clarity, and resilient recovery flows. Implemented custom derivation path support for Ethereum and Solana transactions, refined the About Info and Device Information presentation, and strengthened Monero key image generation with improved error handling and multi-key support. Enhanced TON mnemonic handling to distinguish TON-specific mnemonics from BIP39 and improve wallet check/forget flows, and introduced user-friendly panic messages with clearer asset safety guidance to reduce user confusion and support load. These changes collectively improve parsing and display accuracy, reliability, and overall user trust across multiple assets.
8 Commits • 5 Features
Aug 1, 2025In August 2025, delivered significant feature improvements and reliability enhancements for KeystoneHQ/keystone3-firmware, focusing on cross-chain usability, UI clarity, and resilient recovery flows. Implemented custom derivation path support for Ethereum and Solana transactions, refined the About Info and Device Information presentation, and strengthened Monero key image generation with improved error handling and multi-key support. Enhanced TON mnemonic handling to distinguish TON-specific mnemonics from BIP39 and improve wallet check/forget flows, and introduced user-friendly panic messages with clearer asset safety guidance to reduce user confusion and support load. These changes collectively improve parsing and display accuracy, reliability, and overall user trust across multiple assets.
August 2025
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for KeystoneHQ/keystone3-firmware focused on stabilizing multi-cryptocurrency support and improving code maintainability. Key work delivered fixed critical data retrieval and build issues, and enhanced readability for future maintenance, supporting reliable releases in a multi-coin context.
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for KeystoneHQ/keystone3-firmware focused on stabilizing multi-cryptocurrency support and improving code maintainability. Key work delivered fixed critical data retrieval and build issues, and enhanced readability for future maintenance, supporting reliable releases in a multi-coin context.
June 2025
26 Commits • 8 Features
Jun 1, 2025June 2025 monthly summary for KeystoneHQ/keystone3-firmware. Delivered significant cross-chain capability enhancements, UI/UX improvements, and maintainability gains, while stabilizing core workflows through targeted bug fixes and refactors. Highlights include Avalanche bridge ABI integration, comprehensive GUI/JSON refactor, Ethereum UI/display improvements with expanded test coverage, and new IOTA/XRP chain support. Ongoing maintenance included removing debug remnants, battery management refactor, and tooling updates, contributing to reliability on testnet and mainnet.
26 Commits • 8 Features
Jun 1, 2025June 2025 monthly summary for KeystoneHQ/keystone3-firmware. Delivered significant cross-chain capability enhancements, UI/UX improvements, and maintainability gains, while stabilizing core workflows through targeted bug fixes and refactors. Highlights include Avalanche bridge ABI integration, comprehensive GUI/JSON refactor, Ethereum UI/display improvements with expanded test coverage, and new IOTA/XRP chain support. Ongoing maintenance included removing debug remnants, battery management refactor, and tooling updates, contributing to reliability on testnet and mainnet.
June 2025
May 2025
42 Commits • 14 Features
May 1, 2025May 2025 monthly summary for KeystoneHQ/keystone3-firmware: Delivered a range of high-impact features and reliability improvements across the IOTA integration, UI, and wallet capabilities. Key progress includes IOTA support with refactored command parsing and address handling, updated build scripts, and architecture refinements, alongside UI/branding enhancements and broader asset support. Significant UI bug fixes and build stability improvements reduced frictions for end users and accelerated release readiness.
May 2025
42 Commits • 14 Features
May 1, 2025May 2025 monthly summary for KeystoneHQ/keystone3-firmware: Delivered a range of high-impact features and reliability improvements across the IOTA integration, UI, and wallet capabilities. Key progress includes IOTA support with refactored command parsing and address handling, updated build scripts, and architecture refinements, alongside UI/branding enhancements and broader asset support. Significant UI bug fixes and build stability improvements reduced frictions for end users and accelerated release readiness.
April 2025
37 Commits • 19 Features
Apr 1, 2025In April 2025, KeystoneHQ/keystone3-firmware delivered substantial improvements in memory management, asset support, and user experience, while strengthening stability and maintainability. The release focused on expanding cross-chain capabilities (AVAX) and enhancing UI/UX, with targeted fixes to critical bugs and performance tuning to better support constrained firmware environments.
37 Commits • 19 Features
Apr 1, 2025In April 2025, KeystoneHQ/keystone3-firmware delivered substantial improvements in memory management, asset support, and user experience, while strengthening stability and maintainability. The release focused on expanding cross-chain capabilities (AVAX) and enhancing UI/UX, with targeted fixes to critical bugs and performance tuning to better support constrained firmware environments.
April 2025
March 2025
54 Commits • 26 Features
Mar 1, 2025March 2025 Keystone3 firmware monthly summary: Delivered targeted feature work, critical bug fixes, and stability improvements across wallet, OTA, and asset management, delivering business value through improved security, reliability, and expanded wallet support.
March 2025
54 Commits • 26 Features
Mar 1, 2025March 2025 Keystone3 firmware monthly summary: Delivered targeted feature work, critical bug fixes, and stability improvements across wallet, OTA, and asset management, delivering business value through improved security, reliability, and expanded wallet support.
February 2025
23 Commits • 10 Features
Feb 1, 2025February 2025 monthly delivery for KeystoneHQ/keystone3-firmware focused on security hardening, UX improvements, and maintainability to reduce risk and accelerate future development. Highlights include boot security enhancements with AES encryption and boot version exposure, a major wallet-UX overhaul (Wander integration, wallet view updates, and home view filtering), firmware checker refactor for binary header parsing, and comprehensive version/configuration improvements with UI cleanup. Additionally, Zcash wallet management enhancements in Cypherpunk and an Ethereum multisig operation warning in the UI were implemented to improve risk visibility and usability. These changes improved security posture, user experience, and code maintainability while aligning with roadmap goals.
23 Commits • 10 Features
Feb 1, 2025February 2025 monthly delivery for KeystoneHQ/keystone3-firmware focused on security hardening, UX improvements, and maintainability to reduce risk and accelerate future development. Highlights include boot security enhancements with AES encryption and boot version exposure, a major wallet-UX overhaul (Wander integration, wallet view updates, and home view filtering), firmware checker refactor for binary header parsing, and comprehensive version/configuration improvements with UI cleanup. Additionally, Zcash wallet management enhancements in Cypherpunk and an Ethereum multisig operation warning in the UI were implemented to improve risk visibility and usability. These changes improved security posture, user experience, and code maintainability while aligning with roadmap goals.
February 2025
January 2025
35 Commits • 6 Features
Jan 1, 2025During January 2025, KeystoneHQ/keystone3-firmware delivered significant wallet ecosystem enhancements, expanded asset support, and reliability improvements. The Cypherpunk wallet and USB/version ecosystem updates introduced versioning enhancements, a new feather wallet option, a Russian UI bug fix, and USB support, consolidated across multiple commits. AVAX integration added address form and from/to path support, enabling asset onboarding. Passphrase quickstart and slip39 coin error management updates improved onboarding and coin error handling. Numerous bug fixes across UI, versioning, build, and AVAX cosmos NFT home widgets, including crashes when connecting wallets, build fixes, and sign error fixes. A targeted code cleanup and build-system improvements reduced dead code and stabilized the toolchain. Overall, these changes improved stability, developer velocity, and business value by expanding asset support, improving user experience, and ensuring robust builds.
January 2025
35 Commits • 6 Features
Jan 1, 2025During January 2025, KeystoneHQ/keystone3-firmware delivered significant wallet ecosystem enhancements, expanded asset support, and reliability improvements. The Cypherpunk wallet and USB/version ecosystem updates introduced versioning enhancements, a new feather wallet option, a Russian UI bug fix, and USB support, consolidated across multiple commits. AVAX integration added address form and from/to path support, enabling asset onboarding. Passphrase quickstart and slip39 coin error management updates improved onboarding and coin error handling. Numerous bug fixes across UI, versioning, build, and AVAX cosmos NFT home widgets, including crashes when connecting wallets, build fixes, and sign error fixes. A targeted code cleanup and build-system improvements reduced dead code and stabilized the toolchain. Overall, these changes improved stability, developer velocity, and business value by expanding asset support, improving user experience, and ensuring robust builds.
December 2024
26 Commits • 5 Features
Dec 1, 2024December 2024: Delivered key features to improve asset pipelines, Web3 readiness, and code maintainability, while stabilizing builds and runtimes across KeystoneHQ/keystone3-firmware. The work emphasized business value through reliability and scalability.
26 Commits • 5 Features
Dec 1, 2024December 2024: Delivered key features to improve asset pipelines, Web3 readiness, and code maintainability, while stabilizing builds and runtimes across KeystoneHQ/keystone3-firmware. The work emphasized business value through reliability and scalability.
December 2024
November 2024
9 Commits • 2 Features
Nov 1, 2024November 2024 milestones for KeystoneHQ/keystone3-firmware: Delivered International Font and Localization Enhancements with broader language glyphs and font data updates; Expanded Solana address derivation capacity; Fixed critical wallet crash on hardware connection; Corrected localization string for derive type; Improved code quality by removing debug artifacts and standardizing formatting. These changes collectively improve localization accuracy, support more user accounts, and stabilize the wallet initialization flow, driving better onboarding and overall product reliability.
November 2024
9 Commits • 2 Features
Nov 1, 2024November 2024 milestones for KeystoneHQ/keystone3-firmware: Delivered International Font and Localization Enhancements with broader language glyphs and font data updates; Expanded Solana address derivation capacity; Fixed critical wallet crash on hardware connection; Corrected localization string for derive type; Improved code quality by removing debug artifacts and standardizing formatting. These changes collectively improve localization accuracy, support more user accounts, and stabilize the wallet initialization flow, driving better onboarding and overall product reliability.
Activity
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Quality Metrics
Correctness87.2%
Maintainability86.4%
Architecture82.0%
Performance81.4%
AI Usage21.6%
Skills & Technologies
Programming Languages
AssemblyBatchCC++CMakeCSVCmakeJSONJavaScriptMarkdown
Technical Skills
AES EncryptionAPI DesignAPI IntegrationAddress GenerationAsset ManagementAvalancheBatch ScriptingBattery ManagementBinary Data ParsingBitcoinBitcoin DevelopmentBlockchainBlockchain DevelopmentBlockchain IntegrationBug Fixing
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