According to L2BEAT data, the total locked value in Ethereum's Layer2 network is currently $37.7 billion, with a 0.85% decrease over the past seven days. The top five are: Arbitrum One ($16.38 billion, down 0.83% in seven days); OP Mainnet ($6.35 billion, down 0.41% in seven days); Base ($5.25 billion, down 5.98% in seven days); Blast ($2.62 billion, up 4.28% in seven days); Mantle ($1.24 billion, down 0.64% in seven days).