On episode 454 of the epicenter podcast, a question was raised about the relationship between Ethereum and its layer 2 chains. After explaining how Ethereum benefits from L2s using it as a settlement layer, the question was posed: what do the L2s actually receive in return? No answer was provided, leaving the listener left to wonder whether the relationship between Ethereum and its L2s is a sustainable one.My takeIsn’t the relationship very clearly bidirectional? In that:L2s provide additiona...