Facilitated by social media, KOL (key opinion leader) marketing is becoming a popular means for brands to hit target market. Running a KOL campaign, however, can beget frustration since recruiting fit-to-brand influencers is an intricate process. Besides, influencers’ compensation is hard to measure when their performance is obfuscated by fake followers/engagements. Attempting to alleviate the challenges in KOL marketing, various data-driven platforms powered by AI and Blockchain technology are evolving. Are they promising? Find it out with us.