According to an insider, Quantlab Financial, a well-known quantitative institution in the United States, recently tested the iterative technology update of the big data Quandl 3.0 system, emphasizing the use of blockchain big data machine learning and distributed computing to analyze various data, trying to find a model that can be used to predict the price trends of equity markets such as stocks, foreign exchange, gold, palm oil futures, and cryptocurrencies. This trading model, namely "first-hand information", is one of the pioneers in the field of quantitative and algorithmic trading of Qua