Hi I'm a student doing research and I wanted to know what logic  use to discuss scouring.
If you have an article you can refer me to, thank you for sending me.

company like (bitraank verified) or (qlue) what Logic to use ranking transactions.

BitRank Verified Cryptocurrency Address / Transaction Risk Scoring Service

QLUE =>FORENSICALLY TRACE, TRACK & MONITOR ILLICIT CRYPTOCURRENCY ACTIVITIES