How is this new in 2019, as the article states? Fully homomorphic encryption has been around for at least a decade. There’s even a hedge fund (numerai) that cro

How is this new in 2019, as the article states? Fully homomorphic encryption has been around for at least a decade. There’s even a hedge fund (numerai) that crowdsources its quantitative modeling based on an implementation of FHE since 2015.