数据：1 月 14 日仅有 3 条以太坊 L2 链单日手续费收入超过 5,000 美元

Group 1 - The core point of the article highlights that on January 14, only three Ethereum Layer 2 (L2) chains generated daily transaction fees exceeding $5,000, namely Base (approximately $147,000), Arbitrum (approximately $39,000), and Starknet (approximately $9,000) [1] - Base's revenue accounts for nearly 70% of the total revenue generated by all Ethereum L2 chains, indicating a significant competitive advantage [1] - The combined revenue of all other L2 chains is slightly above $15,000, showcasing a stark contrast in performance compared to Base [1]