Various non-public startups are exploring innovative applications in the crypto space such as decentralized interfaces like Ritual and on-chain AI agents like my shell and fetch.ai. Examples also include data and model provenance tools like Rainfall and Vanna, incentivization apps like Character.ai with crypto token rewards, and token incentivized machine learning platforms like BitTensor and Diva. Furthermore, startups like Modulus Labs and Upshot are working on on-chain verifiability using ZK machine learning technology.