It is incorrect to say nothing has happened during the last 10 years. Zero-knowledge proofs, as discussed in the potential research collaboration between Ethereum Foundation and LibreOffice, are more recent. The most useful, or compact, zero-knowledge proof systems have been created during the last few years. This can be partially contributed to the blockchain research.
You can more about the history of zero knowledge in this Wikipedia article:
https://en.wikipedia.org/wiki/Zero-knowledge_proof#Zero-Know...