On December 13th, Celestia has integrated its data availability layer with Polygon Labs' chain development toolkit (CDK). This integration introduces a dedicated data availability solution for Layer2 projects (such as OKX, Immutable, Astar, IDEX, Palm, etc.) using Polygon CDK to reduce their gas fees.

KuCoin Labs has invested in Dovi, a provider of solutions for Bitcoin Layer2. The amount of the investment has not been disclosed. Dovi plans to use the funds to expand its operations and development efforts. The company is led by CEO Dovi and offers a community-driven Bitcoin Layer 2 and EVM-compatible smart contract platform, which aims to improve scalability, lower transaction costs, and promote a more secure and decentralized financial ecosystem.

L2BEAT data shows that the total value locked (TVL) in Ethereum's Layer2 network is currently $16.03 billion, with a 7-day increase of 7.43%. The top five locked values are: Arbitrum One ($8.48 billion, 7-day increase of 6.1%); OP Mainnet ($4.41 billion, 7-day increase of 9.3%); Base ($648 million, 7-day increase of 4.91%); zkSync Era ($593 million, 7-day increase of 13.72%); dYdX V3 ($360 million, 7-day increase of 6.05%).

L2BEAT data shows that the total value locked (TVL) in Ethereum Layer 2 is now reported at $16.12 billion, with a 7-day increase of 11.29%. The top five locked amounts are: ArbitrumOne ($8.55 billion, 7-day increase of 9.79%); OPMainnet ($4.48 billion, 7-day increase of 15.24%); Base ($650 million, 7-day increase of 7.5%); zkSyncEra ($569 million, 7-day increase of 14.5%); and dYdX ($361 million, 7-day increase of 7.05%).

According to L2BEAT data, the current total value locked (TVL) in Ethereum Layer2 is reported at $16.15 billion, with a 7-day increase of 12.02%. The top five locked assets are: Arbitrum One ($8.52 billion, 7-day increase of 9.92%); OP Mainnet ($4.55 billion, 7-day increase of 18.32%); Base ($651 million, 7-day increase of 7.96%); zkSync Era ($570 million, 7-day increase of 11.28%); and dYdX ($359 million, 7-day increase of 6.9%).

According to DeBank data, the total value of assets held by the Blast contract address launched by Pacman, the founder of Blur, on the Layer 2 network, exceeds $800 million, including $715 million worth of ETH deposited into the Lido protocol and $93.13 million worth of assets deposited into the Maker protocol.

On December 8th, according to market data, Layer 2 tokens are generally rising, including:<br>OP is now priced at $2.16, with a 24-hour increase of 26.1%.<br>SKALE is now priced at $0.045, with a 24-hour increase of 14.2%.<br>IMX is now priced at $1.54, with a 24-hour increase of 11.3%.<br>ARB is now priced at $1.17, with a 24-hour increase of 10.8%. <br>

According to L2beat data , the total amount locked in Layer 2 networks has risen to a historical high of $15.04 billion, with a 3.01% increase in the past 7 days. Among them, ArbitrumOne has the highest amount locked, with a 3.22% increase in the past 7 days, currently reaching $8.06 billion, also setting a historical high; OP Mainnet ranks second, with a 1.48% increase in the past 7 days, reaching $4 billion. Base ranks third, with a 4.90% increase in the past 7 days, rising to $626 million.

On December 4th, according to DeBank data, the total value of assets held by the contract address of Blast, a Layer 2 network founded by Blur's founder Pacman, is currently 711 million US dollars. Among them, 623 million US dollars worth of ETH is deposited into the Lido protocol, and 88.06 million US dollars worth of DAI is deposited into the Maker protocol.

L2BEAT data shows that the total value locked (TVL) in Ethereum Layer2 network is currently 14.56 billion US dollars, with a 0.94% decrease in the past 7 days. The top five locked assets are: Arbitrum One (7-day decrease of 0.59%, with a total value of 7.81 billion US dollars); OP Mainnet (7-day decrease of 1.98%, with a total value of 3.92 billion US dollars); Base (7-day increase of 1.39%, with a total value of 0.607 billion US dollars); zkSync Era (7-day decrease of 0.56%, with a total value of 0.498 billion US dollars); dYdX V3 (7-day decrease of 1.54%, with a total value of 0.337 billion US dollars). In addition, the locked value of Mantle is 225 million US dollars, with a 7-day increase of 37.23%, ranking sixth; the locked value of Linea is 148 million US dollars, with a 7-day decrease of 37.34%, ranking ninth.