Engagement Name:PaySphere Secure Decentralized Wallet App
Client/Partner:PaySphere Global
Initiated:March 2026
Execution Span:5 Months
Global Domain:Zug, Switzerland
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Project Brief
A high-security financial application providing biometric login, multi-signature transactions, and real-time conversion graphs.
Project Overview
PaySphere is a decentralized wallet app engineered to manage cryptocurrency assets. The project focused on cryptographic hardware keys, secure biometric authentication, offline cold-storage integration, and a premium dashboard.
Project Challenge:
Securing private keys using iOS Keychain and Android Keystore safely
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Securing private keys using iOS Keychain and Android Keystore safely
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Refreshing exchange rate graphs instantly with low data usage
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Passing stringent third-party financial security audits
Our Solutions:
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Used hardware-level Secure Enclave bindings for transaction signing
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Integrated light weight WebSocket streams for conversion tickers
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Followed strict OWASP Mobile Security guidelines with code obfuscation
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