On-chain data shows that as of now, the total locked-up volume on Ethereum Layer 2 is US$9.09 billion, up 0.49% in the past seven days. Among them, the expansion solution ArbitrumOne has the highest amount of locked positions, with approximately US$5.97 billion, accounting for 65.65%, followed by Optimism, with a locked amount of US$1.95 billion, accounting for 21.48%.