This document analyzes the top cryptocurrency mining pools and their production value. It finds that the top 30 mining pools produce over $15 million in coins daily (over $5 billion annually). The top pools are located in China (14 pools), USA (9 pools), and Hong Kong (2 pools). The largest pool by value is BTC.com in China mining Bitcoin. In total, China-based pools account for almost half the daily production value, while US pools account for almost one third.