While chatting with a friend, I discovered an interesting thing: this round of $ETH vs $SOL seems so similar to the last round of $DOT vs $ETH. Last round: Polkadot had various ceiling technologies, cross-chain, parallel chains, governance mechanisms, with a roadmap drawn more beautifully than poetry. Ethereum was just a "slow learner", and DeFi Summer told you in the most savage way - "as long as it works". This round: Ethereum has become a "tech nerd", Rollup