Extract from Robert Chesney and Danielle Citron’s article “Deepfakes and the New Disinformation War”
A second technological remedy involves authenticating content before it ever spreads—an approach sometimes referred to as a “digital provenance” solution. Companies such as Truepic are developing ways to digitally watermark audio, photo, and video content at the moment of its creation, using metadata that can be logged immutably on a distributed ledger, or blockchain. In other words, one could effectively stamp content with a record of authenticity that could be used later as a reference to compare to suspected fakes.
