Sift, which uses AI to predict whether an attempted online transaction or interaction is authentic or fraudulent, raises $50M at a valuation of $1B+ Mary Ann Azevedo / TechCrunch : TechCrunch 2021-04-23 Mary Ann Azevedo TechCrunch, Mary Ann Azevedo Related Coverage Digital trust startup Sift raises $50M on unicorn valuation of $1B SiliconANGLE Sift Raises $50 Million at a Valuation Over $1 Billion; Expands Executive Leadership Team Sift Blog