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This eBook introduces the concept of a referential data layer to enable more precise data linking and overcome challenges with first-generation tokenization methods. A referential data layer serves as a "source of truth" to confidently match records from disparate sources without compromising privacy. Referential linking leverages this layer to link datasets with greater accuracy. Use cases highlight how a referential data token can enhance clinical trials, regulatory approval, and comparative effectiveness research. To learn more about next-generation tokenization for healthcare insights, read the full eBook.