AI data exchange platform Protege has successfully raised $30 million in a Series A funding round, spearheaded by a16z. The round also saw participation from Footwork, CRV, and Bloomberg Beta, bringing Protege's total funding to $65 million. The platform specializes in AI optimization, data cleansing, anonymization, and formatting of aggregated datasets, facilitating training and evaluation while enabling data providers to earn revenue through sharing.