According to ChainCatcher, the latest data from Dune Analytics shows that the total value of cross-chain bridge storage of Arbitrum, Ethereum's Layer2 expansion solution, has exceeded 2 million ETH. As of now, it has reached 2,001,134 ETH, which is approximately US$2.37 billion at the current price. The number of users participating in bridge transactions is 459,381.

In terms of other L2 cross-chain bridges, the current total storage value of Optimism cross-chain bridge is 435,680 ETH, zkSync is 185,174 ETH, and StarkNet is 4,412 ETH. (Source link)