CoinMeta data: According to Dune data, on the sixth day of operation (September 21st) for the mainnet of ARC under Circle, the network transaction fees dropped to approximately $9,218, which is a 96.7% decrease from the first day of operation. During the same period, the daily fees for Robinhood Chain, Base, Arbitrum, and SUI were approximately $312,000, $139,000, $22,300, and $11,500 respectively. ARC officially launched on September 16th and uses USDC to charge network fees, mainly targeting payment, financial markets, and real-time settlement applications.