Blockchains can make it easier for people to receive rewards for their contributions. They can also provide AI builders with assurances about the quality and provenance of the feedback data and evaluations they're incorporating into their models. So users get incentives, builders get trustworthy data, and everyone can audit either side of the open market.

https://www.theblock.co/post/358094/a16zcrypto-33-million-usd-seed-round-yupp-ai-model-evaluation