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Development of a Scalable Blockchain-Integrated E-Wallet Platform to Achieve 3 Million Users

synodus.com

Financial services

Blockchain

Fintech

Challenges in Scaling and Technical Execution for E-Wallet Expansion

The client faced significant setbacks due to a previous partner's inability to meet timelines and quality standards, resulting in delayed growth and technical debt. They required a reliable partner with blockchain expertise to ensure secure, scalable infrastructure for cryptocurrency and international transactions while maintaining compliance with financial regulations.

About the Client

A rising star in the digital payment market aiming to build a comprehensive financial ecosystem with blockchain technology

Objectives for E-Wallet Platform Development

Reach 3 million active users within 4 months
Build a secure, high-performance digital wallet with multi-currency support
Establish strategic partnerships through API integration capabilities
Create a scalable architecture to support future financial ecosystem expansion

Core E-Wallet Functionality Requirements

User account creation and financial management interface
Peer-to-peer transaction system with currency conversion
Support for custodial/non-custodial wallet types (Hot/Cold/Gas)
Multi-layer security with two-factor authentication
Vault encryption for transaction data protection
Real-time transaction processing and analytics

Technology Stack Requirements

NodeJS

NestJS (Fastify)

PostgreSQL

Redis

Google Cloud Pubsub

Golang

Firebase

Vault

System Integration Requirements

Third-party payment gateways
Blockchain network APIs
Financial compliance systems
Real-time analytics platforms

Performance and Security Requirements

Support for 10,000+ concurrent transactions
99.99% system uptime SLA
Enterprise-grade data encryption at rest/transit
Microservices architecture scalability
Real-time fraud detection capabilities

Expected Business Impact of the E-Wallet Platform

Achieve 3 million user milestone through secure, lightning-fast transactions while establishing the platform as a market leader in blockchain financial services. The solution will enable global money transfers with reduced fees, foster strategic partnerships through API connectivity, and create a foundation for future financial product expansion.