Indistinguishability Obfuscation
This is a difficult concept to wrap one's head around, so maybe ask a real cryptographer at cryptography.stakcexchange.com , because they would be able to give you a more granular breakdown of it than this channel will.
New paper was published on this a few days ago: https://cryptome.org/2020/11/Indistinguishability-Obfuscation.pdf (peer-reviewed; IACR)
https://eprint.iacr.org/2020/1003.pdf
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