BlockBeats News, December 5th: Ethereum Mainnet Activity Cools Down, Mainnet Transaction Fees have Fallen below Some Layer 2 Networks, as tested by EmberCN:The current mainnet transaction fee is only 0.0017 USD, while several mainstream Layer 2 networks (such as Base, Arbitrum, Optimism) range from 0.0055 USD to 0.0079 USD, which is 3-5 times higher than the mainnet.As of the time of writing, Ethereum mainnet Gas fee is temporarily at 0.031 gwei.