Solana co-founder Anatoly Yakovenko has criticized LayerZero's claims about its new "Zero" system, calling them overhyped. Yakovenko highlighted the disparity between blockchain marketing and actual performance, emphasizing Solana's focus on practical upgrades over flashy features. The criticism arose after LayerZero promoted its FAFO optimization method as revolutionary, claiming it enables parallel transactions with minimal developer intervention. However, Yakovenko and other skeptics argue that such methods are not unique and that LayerZero's claims may be exaggerated. The debate underscores a broader issue in the blockchain community, where marketing narratives often overshadow genuine technical innovation. Yakovenko also challenged Ethereum founder Vitalik Buterin's "walkaway test" concept, advocating for continuous adaptation to meet user and developer needs. Solana's approach prioritizes solving real problems and maintaining a materially useful network, contrasting with LayerZero's aggressive marketing strategy.