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Blockchain • FinTech

CryptoKara

Multi-Chain Cryptocurrency Exchange Platform

A secure, user-friendly cryptocurrency exchange mobile app supporting multiple blockchain networks with real-time trading, wallet management, and institutional-grade security.

500K+
Active Users
$50M+
Monthly Volume
99.9%
Uptime
📱

The Challenge

The client needed a comprehensive cryptocurrency exchange platform that could compete with established players while addressing common pain points in the industry.

  • Support for multiple blockchain networks (Ethereum, BSC, Polygon, Solana)
  • Institutional-grade security for user funds and private keys
  • Real-time order matching and trading engine
  • Seamless fiat on/off ramps with KYC/AML compliance
  • Mobile-first design for iOS and Android
  • Scalable infrastructure to handle millions of transactions

Technologies Used

Blockchain

EthereumBinance Smart ChainPolygonSolanaWeb3.jsEthers.js

Backend

Node.jsNestJSPostgreSQLRedisWebSocketsBull Queue

Mobile

React NativeTypeScriptReduxReact QueryBiometric Auth

Security

Hardware Security ModulesMulti-Sig WalletsKYC/AML Integration2FA/MFA

Infrastructure

AWSKubernetesDockerCloudFrontLoad Balancers

Our Solution

🔗

Multi-Chain Architecture

Built a unified platform supporting 4 major blockchain networks with seamless cross-chain swaps and a single wallet interface.

High-Performance Trading Engine

Developed a custom order matching engine processing 100K+ orders per second with sub-100ms latency.

🔐

Enterprise Security

Implemented multi-signature wallets, hardware security modules, and cold storage for 95% of user funds.

📱

Intuitive Mobile UX

Designed a beautiful, easy-to-use mobile app with advanced charting, one-tap trading, and biometric authentication.

Compliance Integration

Integrated KYC/AML providers and built automated compliance workflows for regulatory requirements.

☁️

Scalable Infrastructure

Deployed on AWS with Kubernetes orchestration, auto-scaling, and multi-region failover for 99.9% uptime.

Results & Impact

500K+
Active Users
within 6 months of launch
$50M+
Monthly Trading Volume
across all supported chains
99.9%
Platform Uptime
with zero security breaches
4.8★
App Store Rating
from 50K+ reviews
💬

"Tallysis delivered a world-class cryptocurrency exchange platform that exceeded our expectations. Their expertise in blockchain technology and security was evident throughout the project. The platform has been incredibly stable and our users love the experience."

JD
John Doe
CEO, CryptoKara

Key Features Delivered

Multi-chain wallet with unified interface
Spot trading with limit & market orders
Cross-chain atomic swaps
Staking and yield farming
Real-time price alerts and notifications
Advanced charting with technical indicators
Fiat on/off ramps with bank integration
KYC/AML automated verification
Two-factor authentication (2FA)
Biometric login (Face ID/Touch ID)
Portfolio tracking and analytics
Transaction history and reporting
Referral program and rewards
Multi-language support (15+ languages)
24/7 customer support integration
Educational resources and tutorials

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