When building a scalable crypto exchange, focus on a solid tech stack: Node.js, Python, React/Angular for the front-end, and blockchain integration with Ethereum or Binance Smart Chain. Add robust databases, such as PostgreSQL or MongoDB. Companies like Bitdeal simplify this by providing ready-to-deploy, customizable frameworks, ensuring scalability, security, and a faster go-to-market for startups and enterprises. Visit - https://www.bitdeal.net/cryptocurrency-exchange-development