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Re:Rally, a novel privacy-first data sharing platform by xpe on Friday June 25, 2021 @01:43PM (#27633995)
Yes, calling out linkage as a key challenge for data privacy is very important.

To dig in one level deeper... Have you looked into privacy-preserving record linkage (PPRL) or similar ideas? (I have not, but I'm interested.)

> The process of linking records without revealing any sensitive or confidential information about the entities represented by these records is known as privacy-preserving record linkage (PPRL). > Source: "Privacy-Preserving Record Linkage". > DOI: https://doi.org/10.1007/978-3-319-63962-8_17-1

See also: "A taxonomy of privacy-preserving record linkage techniques" at https://www.sciencedirect.com/science/article/abs/pii/S03064...

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