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Custom Cryptocurrency Wallet App Development for Enhanced Security and DeFi Integration
  1. case
  2. Custom Cryptocurrency Wallet App Development for Enhanced Security and DeFi Integration

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Custom Cryptocurrency Wallet App Development for Enhanced Security and DeFi Integration

acropolium
Financial services
Information technology

Challenges with Third-Party Wallet Solutions

The client faced operational inefficiencies due to reliance on third-party cryptocurrency wallets, including limited customization, inadequate security features (e.g., lack of multisignature support and advanced encryption), poor integration with existing payment systems, and absence of DeFi functionalities like token swaps and staking. These issues hindered brand alignment, user experience, and scalability in a rapidly evolving market.

About the Client

An international fintech company specializing in digital asset management and cryptocurrency services, operating in multiple regions with a focus on regulatory compliance and scalable financial solutions.

Strategic Objectives for Custom Wallet Development

  • Implement advanced security protocols (multisignature authentication, encryption) to safeguard digital assets.
  • Support multi-chain compatibility for seamless management of diverse cryptocurrencies.
  • Deliver a cross-platform, user-friendly wallet interface for retail and corporate users.
  • Ensure scalability to accommodate growing user bases and transaction volumes.
  • Integrate with existing payment infrastructure for fiat-crypto conversions and real-time tracking.
  • Achieve compliance with GDPR, AML, and KYC regulations across international markets.

Core Functionalities and Key Features

  • Multi-currency wallet support (BTC, ETH, ERC-20 tokens, etc.)
  • Token swaps and DeFi protocol integrations (e.g., staking, liquidity pools)
  • Fiat-to-crypto conversion with real-time exchange rate tracking
  • Cross-platform accessibility (iOS, Android, web)
  • Multisignature transaction authentication
  • Real-time transaction monitoring and analytics

Technology Stack

React Native
Node.js
React
Solidity
Web3.js
Ethers.js
AWS

External System Integrations

  • Third-party payment gateways for fiat conversion
  • DeFi protocols (e.g., Uniswap, Aave)
  • Blockchain explorers (Etherscan, Blockchair)
  • KYC/AML verification services (e.g., Onfido, Sumsub)

Non-Functional Requirements

  • Enterprise-grade cybersecurity (end-to-end encryption, secure key storage)
  • Horizontal scalability for 1M+ users and 10K+ TPS
  • 99.9% uptime SLA with failover mechanisms
  • Compliance with GDPR, SOC 2, and ISO 27001 standards
  • Sub-200ms latency for transaction processing

Expected Business Impact

The custom wallet is projected to reduce operational downtime by 35%, increase user acquisition by 25% through enhanced UX, and improve employee productivity by 25% via streamlined support workflows. Regulatory compliance and DeFi capabilities will position the client as a competitive player in global markets, enabling revenue growth through expanded service offerings.

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