Kryvex is a high-performance, enterprise-grade POS (Point of Sale) ecosystem designed to bridge the gap between traditional fiat liquidity and the Solana blockchain. Built for the Solana Colosseum Hackathon, Kryvex provides merchants with a unified, data-first infrastructure to manage payments, yields, and multi-environment operations with sub-second finality.
Despite Solana's speed and low fees, real-world merchant adoption is hindered by the friction between crypto assets and local fiat liquidity. Kryvex solves this by providing a unified terminal that handles instant fiat-to-crypto bridging, allowing merchants to receive payments via local rails (Pix) while settling and earning in the Solana ecosystem.
Kryvex is built on a Tenant-First and Audit-Ready mindset, ensuring total isolation of data and transparent traceability for every transaction.
graph TD
subgraph "Interaction Layer"
A[Mobile Terminal]
end
subgraph "Core Infrastructure"
C[Enterprise Backend Engine]
D[Business Logic & State Management]
end
subgraph "Blockchain Layer"
B[Solana Web3 Interface]
E[Solana Network / Mainnet]
end
A <-->|Real-time Sync| C
A -->|Wallet Auth| B
C <-->|Business Rules| D
C <-->|On-Chain Operations| B
B <-->|Settlement| E
A high-density interaction layer built for speed and professional efficiency.
- High-Density UI: "Data-First" philosophy inspired by Linear and Shadcn/ui.
- Multi-Env Support: Native toggle for DEV and PROD modes within a single build.
- Deep Solana Sync: Real-time balance tracking and secure wallet integration via Solana Mobile Wallet Adapter.
⚙️ Backend Core
The mission-critical engine orchestrating the entire business lifecycle.
- Enterprise Rules Engine: Manages complex fiat-to-crypto bridging and fee calculations.
- Security & Auditing: Audit-ready architecture where every bit change is tracked.
- SyncService: Background synchronization layer for high-fidelity state tracking across the ecosystem.
- Blockchain: Solana Web3.js, SPL Tokens (USDT/USDC).
- Backend: Node.js, Express 5.x.
- Mobile: React Native, Expo, Tailwind CSS (NativeWind).
- Styling: Radix UI (Primitives), Lucide Icons.
- State: AsyncStorage, Proprietary SyncService logic.
- Documentation: Mermaid diagrams, High-density markdown.
- Tenant-First: Total data isolation per merchant/tenant.
- Audit-Ready: Full traceability of transaction history and state transitions.
- Fail-Safe: Graceful degradation and robust error handling via Result Pattern.
- Sub-Second Finality: Leveraging Solana for near-instant merchant liquidity.
- High-density Dashboard implementation.
- Multi-environment toggle (Sandbox/Mainnet).
- Solana wallet synchronization and balance tracking.
- Real-time PIX payment polling and status tracking.
- Direct SPL token swaps within the terminal.
- Advanced Enterprise analytics and reporting suite.
Kryvex is a Proprietary Software. All rights reserved. The source code is not available for public distribution, modification, or commercial use without explicit authorization.
Built with passion for the Solana Colosseum Hackathon.





