The cumulative total value locked (TVL) in Ethereum layer-2 (L2) networks has surpassed $51.5 billion, setting a new record.Total TVL has increased by more than 205% from $16.6 billion in November 2023.The increase to more than $51 billion TVL was mainly caused by Arbitrum One and Base.Arbitrum, the dominant L2, has 35% of the entire TVL in the L2 ecosystem, which is valued at about $18.3 billion.