Jeff Zirlin runs the largest NFT project ever created. His monster battling game, Axie Infinity, boasts 1 million users and has generated $2.1 billion in sales, and it costs about $1,500 just to buy enough monsters required to play it. But like all successful startups that went from 0-100 in a hot minute, Zirlin is faced with the age-old question: how can Axie keep on growing? For a game based around breeding, battling, and collecting player-owned assets, it's an open question—one that Zirlin shared with Decrypt Editor-in-Chief Dan Roberts at the Messari Mainnet conference in New York this week. "Axie is only maybe ... (full story)