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solana-keychain v0.3.0 just dropped, now with native Google Cloud KMS support!
If you're building production-grade Solana applications (relayers, bots, DeFi protocols, institutional tools, etc.), secure key management is always one of the biggest pain points.
solana-keychain gives you a clean, unified Rust (and TypeScript) interface to sign transactions across multiple secure backends, without rewriting signing logic every time you change environments.
What's new in v0.3.0:
๐งโ๐ป โจ Google Cloud KMS integration, keep your Ed25519 keys safely in GCP, never on your servers
๐งโ๐ป Zero local key exposure in production
๐งโ๐ป Async-first design, feature-gated backends (add only what you need โ tiny dependencies)
https://github.com/solana-foundation/solana-keychain
github.com
GitHub - solana-foundation/solana-keychain: Framework-agnostic Solana transaction signing with multiple backends. Unified trait interface, async-first design, and feature-gated compilation for minimal dependencies.
Framework-agnostic Solana transaction signing with multiple backends. Unified trait interface, async-first design, and feature-gated compilation for minimal dependencies. - solana-foundation/solanaโฆ
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The solution demonstrates Syed Ahmer Shahโs ability to develop cryptocurrency wallets, blockchain-powered applications, FinTech platforms, digital asset management systems, and secure financial software for crypto startups, digital finance companies, blockchain businesses, and emerging technology ventures.
Technologies Used: React Native, Node.js, Express.js, PostgreSQL, Firebase, AWS Cloud, REST APIs, Cryptocurrency Market APIs, KYC Verification, Two-Factor Authentication, Push Notification Services.
Services Provided: Mobile App Development, Android App Development, iOS App Development, React Native Development, FinTech Application Development, Crypto App Development, Digital Wallet Development, Blockchain Development, Custom Software Development, Backend Development, API Development, UI/UX Design, Cloud Infrastructure Development.
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