Accurate information (300099.SZ) released a risk warning announcement on the afternoon of April 8. The company's blockchain business has achieved less than 5 million yuan in revenue since 2016, accounting for a very low proportion of the company's revenue. In 2018, it was 1.957 million yuan. , accounting for about 0.41%, has little effect on annual performance. In the future, revenue from such businesses is not expected to have a significant impact on performance. In addition, the company did not publish in the list of blockchain information service names and filing numbers published by the National Network Office. At present, the company's blockchain customers are only one of China Tower.