According to L2BEAT data on October 15th, the total value locked (TVL) in Ethereum Layer2 is currently reported at $10.37 billion, with a 7-day decrease of 3.23%. The top five locked values are:
Arbitrum One ($5.69 billion, 7-day decrease of 2.54%);
OP Mainnet ($2.56 billion, 7-day decrease of 5.59%);
Base ($543 million, 7-day decrease of 2.42%);
zkSync Era ($409 million, 7-day decrease of 5.68%);
dYdX ($324 million, 7-day decrease of 5.70%).
In addition, Mantle Network is ranked seventh in TVL, with a TVL of $124 million, and a 7-day increase of 41.27%.