The Wudang Branch of the Guiyang Public Security Bureau issued a termination notice for the virtual currency crime involved in the fight against patented technology services. The reason for the termination of the project was that the supplier's commitment letter was not stamped with the official seal. However, its invite tenders project information shows that the content of the invite tenders project includes the "Dandelion Organization Leadership Pyramid Case", which involves a large number of Ethereum, TRON and other public chains with nearly 10T + data addresses and 25 + billion account relationships to analyze the criminal behaviors and criminal portraits involved. Need for Ethereum, TRON secure blockchain data collection, block data field split, obtain a large number of addresses in the valid wallet address, positioning the flow of funds, positioning the retention of funds, positioning the transaction relationship, at the same time need to have a large number of data tag analysis ability, overseas exchange address recognition ability, overseas exchange mediation and other services. Project funds are 9.50 million RMB.