Nope, no blockchain involved.
The whole field of zero-knowledge mathematics was, if not non-existent, but certainly marginalised, before the crypto investment has hit the scene; this is facts. Yes, Shamir et al. go back to 90s, but it's a far-cry from zkSNARK, zkVM stuff we have nowadays. It has also popularized many applications, like provable auctions (see kyber[1] library in Go as nice starting point...) and opened the door to homomorphic stuff.
If people want to redefine blockchain to mean zero-knowledge, and they want to redefine zero-knowledge to mean succinct as they all seem to have done, it's not my problem.
There is no blockchain here, period.