CryptoCompare.com

Founded in 2014 by Charles Hayter and Vlad Cealicu, CryptoCompare is a financial market data provider that offers a comprehensive, real-time overview of the cryptocurrency market. The company's mission is to provide transparent and reliable data to institutional and retail investors. It aggregates and analyzes tick data from globally recognized exchanges, providing a suite of granular data products, including cryptocurrency trade data, order book data, blockchain data, social data, historical data, and a set of crypto indices.