What do wallets do when they move to L2? An illustration using Etherscan’s V2 API to investigate and visualize cross-chain activities. This post is also published in Etherscan’s Information Center Ethereum’s second layers (L2s) represent a large and still growing ecosystem allowing cheaper, faster transactions — running on rails tuned by Dencun , Pectra and other upgrades. L2s have seen rapid rise in usage in the past year. Coinbase’s Base L2 , for example, now processes 10 times as many daily t