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. 2020 Jul 10;27(11):1721–1726. doi: 10.1093/jamia/ocaa172

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© The Author(s) 2020. Published by Oxford University Press on behalf of the American Medical Informatics Association.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 1. — MedCo core technologies. MedCo is a decentralized software system that uses cutting-edge privacy-preserving technologies to enable the secure sharing of medical data among health institutions. It builds on 3 core privacy-preserving technologies: homomorphic encryption, secure multiparty computation, and data obfuscation. These technologies are used in synergy to combine information owned by multiple institutions and reveal otherwise hidden global insights while addressing legal and privacy concerns.