CryptoNeuron is a social media sentiment analysis system tailored for the crypto market. With a built-in Twitter crawler, it automatically collects tweets based on user-customizable search queries. Utilizing an LLM-based sentiment analysis model, CryptoNeuron analyzes the sentiment of each tweet, enabling comprehensive analysis of individual tweets as well as aggregated summaries. This provides valuable insights into the often hard-to-quantify emotions and attention of the market.