Any interesting recent projects at the intersection of ML and Blockchain? On-chain learning might be too far fetched but has there been any progress around compressing and deploying a reasonably sized model as a contract to get inferences from?

CTO @ Morphic. Previously @ Polygon, @ Uber. Working on disrupting Hollywood with GenAI

https://nf.td/abv

Not sure if it's what your looking for, but https://fetch.ai/ is at this intersection. 

In particular, check out their collective learning docs and the collective learning projects built there https://docs.fetch.ai/colearn/about/