The share of OpenSea on Ethereum chain and Magic Eden on Solana chain, are still absolute monopolies. According to Dune Analytics, despite the fact that NFT trading volume on both chains continues to stagnate or even shrink, these two centralized NFT exchanges are still ahead in all data metrics.For Solana, Magic Eden has basically dominated the entire NFT market. But for Ethereum, the rising star X2Y2 seems to have caught up in terms of trading volume. But is that really the case? For this t...