Cryptocurrency trading has emerged as a transformative financial activity, garnering significant global attention. This paperpresents the development and implementation of a cryptocurrency trading platform utilising Java Fullstack architecture, which isdesigned to provide a secure, efficient, and user-friendly environment for trading various cryptocurrencies. Additionally, APIs likeGemini and CoinGecko are employed to fetch real-time market data, offering users up-to-the-minute information on cryptocurrencyprices and trends. Payment gateways such as Razorpay and Stripe are integrated to facilitate secure, seamless transactions, supportingboth deposits and withdrawals. The front end is built using React and Tailwind CSS, delivering a responsive and intuitive user interface.Features like Redux-based state management, interactive data visualizations, and an AI-driven chatbot enhance the user experience byproviding personalized support and insights. The platform integrates blockchain technology to ensure transaction transparency,immutability, and accountability, leveraging the decentralized nature of blockchain for secure record-keeping. Furthermore, theplatform is optimized for scalability, allowing for future integration of additional cryptocurrencies and features. This paper highlightsthe system's architecture, key functionalities, and challenges faced in implementing a real-time trading environment. It also emphasizesthe potential of AI, blockchain, and modern web technologies in enhancing the reliability, transparency, and user engagement ofcryptocurrency trading systems. The paper concludes by discussing the implications of these.Keywords: Cryptocurrency, Java Fullstack, Blockchain, AI Chatbot, Spring Boot, React, Real-Time Data, Payment Gateway,Scalability, Transaction Security, and Financial Technology