What is the new server?

'Phd dissertation' = 'peer-reviewed papers stapled together'

Based on my personal experience at least, which is consistent with that of many of my peers in TCS / cryptography.

There is a lot of potential for real-world applications with this new result!

For example, one can encrypt to any t-of-n subset of the Ethereum validator set under their existing staking public keys! (Though additional trusted setup and processing of the key is required.)