ChainCatcher news, according to Cointelegraph, Ethereum Layer 2 developer Polymer Labs has launched a real-time interoperability protocol called Polymer Hub. It is reported that Polymer Hub can verify and store all connected aggregated headers, allowing applications to prove any state in the aggregation with significantly reduced overhead.It is said that Polymer Hub initially supports the OP Stack ecosystem, including OP Mainnet, World Chain, and the Base network incubated by Coinbase, and plans to expand to other Ethereum Rollup ecosystems.

ChainCatcher news, according to The Block, the on-chain credit market Clearpool is developing a Layer2 network called Ozean based on the OP Stack, and will donate a portion of its revenue to the Optimism Collective.Ozean plans to integrate real-world assets into DeFi in a compliant manner, providing native on-chain yields through a new staking mechanism using the CPOOL token.

ChainCatcher news, the Celo Foundation has launched Celo's L2 testnet Dango, which is a key step for core contributor cLabs to bring an EVM-compatible blockchain to Ethereum. The plan was first proposed during EthCC 2023, intending to fork the Alfajores test network to Dango, allowing ecosystem developers to start transitioning their projects to the latest version of the blockchain built for the real world, aimed at achieving fast and low-cost payments.

ChainCatcher news, OP Labs developer vex released the MVP (Minimum Viable Product) version of the OP Stack Rollup state transition component kona yesterday.Optimism co-founder Mark Tyneway commented on this, saying: "The OP Stack can be used for ZK Rollups faster than you might think."

ChainCatcher news, Optimism announced on social media that the Alt-DA model has now been launched in the OP Stack beta, allowing any DA layer to build its own DA server for integration into the OP Stack.It is reported that three decentralized DA layers have been launched so far: Celestia, EigenDA, and Avail.

ChainCatcher news, Optimism officials announced that after the latest update to its architecture, the OP Stack has officially entered Stage 1, starting from the OP Mainnet, and will now focus on the decentralization work of Stage 2.

ChainCatcher news, OP Labs posted on X that the test version of the custom gas token feature for OP Stack has been released. Layer2 or Layer3 based on OP Stack can enable this feature during deployment and launch, and use ERC20 tokens other than ETH to pay for gas fees.

ChainCatcher news, Coinbase engineer Roberto Bayardo proposed a Fjord network upgrade for the OP Stack.It is reported that the upgrade includes the introduction of EIP-7212, which utilizes the secp256r1 elliptic curve for secure and efficient signature verification, significantly reducing gas costs for smart wallet applications.In addition, the upgraded version also employs Brotli compression technology to lower data availability costs. EIP-7212 has been implemented on Polygon, and other L2s such as Arbitrum and zkSync are expected to support it as well. The Fjord upgrade aims to further reduce overall transaction fees on the OP Stack chain. The upgrade is scheduled to be implemented on July 10, 2024, and is currently awaiting approval from the Optimism governance committee.

ChainCatcher news, Binance Labs announced an investment in Aevo, a high-performance L2 built on the OP Stack that allows for perpetual trading, pre-release futures, and options with a single margin account on the same platform. The technology architecture operates as an off-chain order book and settles on-chain on Ethereum, using Celestia as a high-throughput DA layer for scalability.With support from Paradigm, Dragonfly, and Coinbase Ventures, Aevo is a rebranded version of the previous DeFi options protocol Ribbon Finance and was voted on in Ribbon Finance's RGP-33 governance proposal. In the next phase of growth, various DAO committees will launch new initiatives for incentives, token liquidity, and community development to attract more users and liquidity to the platform.So far this year, Aevo's derivatives trading volume has exceeded $80 billion, generating over $30 million in fees, with an average monthly active user (MAU) count of 50,000 on the platform. As part of its future roadmap, Aevo will introduce vault strategies, yield products, and Aevo staking. It will allow developers to deploy their dApps on Aevo L2 without permission, leveraging its growing user base and unique features to expand its derivatives ecosystem.

ChainCatcher message, according to the governance page, the Celo community voted to approve the temperature check proposal for launching its Ethereum Layer 2 chain using the OP Stack.

ChainCatcher message, Optimism stated on X that L3 built using OP Stack can now join the Superchain ecosystem. To support L3 builders, OP Stack will launch 2 key features: custom Gas tokens and Plasma Mode.

ChainCatcher news, according to official sources, Whales Market has announced the launch of the Mode points trading on the L2 network based on OP Stack.