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Development of a Multi-Cryptocurrency Wallet with Enhanced Security and Interoperability

plavno.io

Financial services

Blockchain

Challenges in Cryptocurrency Adoption and Security

Cryptocurrencies lack mainstream adoption due to interoperability issues across diverse blockchain systems and security vulnerabilities, such as QR code-based phishing attacks during transactions.

About the Client

A FinTech company aiming to bridge mainstream finance with cryptocurrency through user-friendly digital solutions.

Key Goals for the Cryptocurrency Wallet Development

Create a secure, user-friendly wallet supporting 1,500+ cryptocurrencies
Ensure seamless interoperability across varying blockchain protocols
Implement multi-layered security measures for transaction verification
Simplify cryptocurrency management for non-technical users

Core Functionalities and Features

Token Deposits with automated categorization
Private Key Management with user-controlled security
Custom Token Addition/Removal
Secure QR Code Integration with verification workflows

Technology Stack

Vue.js

Node.js

GraphQL

TypeScript

External System Integrations

Blockchain explorer APIs for transaction validation
Biometric authentication services (fingerprint/PIN)
Third-party token registry databases

Non-Functional Requirements

Scalable pluggable architecture for future crypto support
Real-time transaction processing with <1s latency
End-to-end encryption for private key storage
Compliance with GDPR and ISO 27001 security standards

Expected Business Outcomes

Enables mainstream cryptocurrency adoption through simplified cross-chain transactions, reduces security risks by 70% via multi-factor verification, and positions the client as a leader in user-centric crypto infrastructure solutions.