Trevor Koverko, the Canadian entrepreneur best known for co-founding Polymath and its regulated asset blockchain Polymesh, is now turning his attention to one of AI’s most pressing problems: the quality of training data. His latest venture, Sapien, is building what he describes as a decentralized, incentive-driven data labeling network. “We’re putting humans back at the center of AI,” Koverko said. “Large models are only as good as the data they’re trained on, and right now, much of that data is unverified, inconsistent, or coming from opaque pipelines. Sapien flips that model by rewarding contributors directly and holding them accountable for…