From a visual perspective, Optimism displays an inverse relationship between each couple of variables, while the same doesn’t happen for Arbitrum. A deeper analysis with correlation coefficients confirms that the variables considered have opposite correlations in the two rollups. Correlation Matrix for Arbitrum, on the left, and Optimism, on the right. Source: https://dune.com/filarm/rollups In Optimism, a moderate negative correlation exists (-0.25) between the amount of data posted to Ether...