On-chain Tianyan, which is the main blockchain security business under Okey Cloud Chain, has completed the upgrade of tens of millions of black and gray address databases. At present, the total number of accumulated address tags has reached 400 million, which is nearly double the previous expansion. This upgrade provides address coverage in 13 dimensions including sanctions, fraud, phishing, hackers, dark web, etc., and supports the analysis of address risks on the chain from two dimensions of suspicious transactions and malicious addresses (shown by the "address health" score). Combined with SkyEye's 200 million entity tag library, it can help users complete risk screening and address warning before address interaction, so as to take targeted actions based on address risk characteristics. Up to now, Tianyan on the chain has tracked nearly 7.29 million addresses involved in the case, and the amount involved is estimated to be 503.3 billion yuan. The average amount involved in a single case is about 70 million yuan.