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Internal Management Platform for a Crypto Exchange
A secure internal management system for a crypto exchange — with cashpoint oversight, currency management, cashier tracking, transaction logging, and integration with the Flutter-based client application.
Client background
We built a secure, scalable crypto exchange platform that bridges cash and crypto Using a mobile-first Flutter app, clients can send and receive stablecoins like USDC, while cashiers facilitate cash-in/cash-out transactions at physical locations
Challenge
The main challenges included: Enable users to send and receive crypto assets using a mobile app; Support cash-in and cash-out operations at physical cashpoints; Provide a localized exchange experience for stablecoins (USDC, etc.).
Solution
Powercode Group delivered a full-cycle solution including: Cashpoint overview - Interactive list of all assigned cashpoints; Management of actual list of currencies; List of active/inactive cashiers; Transaction logs per cashier.
Results
The project culminated in a successful launch of a fully operational crypto exchange platform, bridging the gap between digital currencies and real-world cash access The system delivered a smooth, intuitive, and compliant experience that users, agents, and administrators could trust from day one
We built a secure, scalable crypto exchange platform that bridges cash and crypto. Using a mobile-first Flutter app, clients can send and receive stablecoins like USDC, while cashiers facilitate cash-in/cash-out transactions at physical locations.
The backend, powered by NestJS microservices and deployed on AWS. An embedded AML engine ensures regulatory compliance, and custom admin dashboards enable real-time monitoring, user management, and liquidity oversight.
With role-based portals, encrypted data, and automated KYC workflows, the system combines fintech usability with Web3 transparency, designed to scale across global cashpoint network.
- Finance, Crypto
- Web
The Challenge / Problem
Enable users to send and receive crypto assets using a mobile app
Support cash-in and cash-out operations at physical cashpoints
Provide a localized exchange experience for stablecoins (USDC, etc.)
Integrate KYC/AML checks for both fiat and crypto use cases
Build admin dashboards for managing users, limits, and transaction reviews
Ensure security and regulatory alignment
Implementation
- Cashpoint overview - Interactive list of all assigned cashpoints
- Management of actual list of currencies
- List of active/inactive cashiers
- Transaction logs per cashier
- Transaction Monitoring - Real-time transaction feed (filterable by status / type / token / user)
- AML Flags - Risky wallet interactions (blacklisted addresses)
- Client KYC automated and manual (by trashold) process
- Review queue for manager-level approvals
- Fiat available at each cashpoint
- Cashier-pending withdrawal queue with reserve validation
- Request reserve top-up or convert crypto to fiat
- View all actions taken in dashboard (who / when / what)
- Track changes to permissions or approvals
- Filter logs by role / date / action type
Result
Building a Crypto Exchange Platform?
Powercode Group develops secure, compliant crypto exchange platforms with internal management tools and mobile client apps. European FinTech engineering for digital assets.
