The Sentinels are a gathering of white-collar security professionals and associations paid for security duties. Digital currency trading collects security information from sources such as wallets and security agencies, such as payment administrations. Blockchain-based TRDB ensures the accuracy of the data, but explicitly supports the risk data obtained with additional knowledge. Once law enforcement is established, the Sentinels will be pushing to turn TRDB into a global database. The language type is less than satisfactory. It is impossible to say anything completely on the website due to lack of information. It looks like the search is on.