Crypto L1/L2: Polygon has unveiled Polygon 2.0, a network of ZK-powered Layer 2 chains, aiming to enable secure and instant cross-chain interactions and establish the "Value Layer of the Internet”. Ordinals has introduced recursive inscriptions on Bitcoin, allowing NFTs to reference each other and overcome the 4 MB block size limitation, leading to improved storage efficiency, reduced transaction fees, and potential use cases like 3D video games and an internal internet on Bitcoin. DeFi: Uniswap Labs has released the code for Uniswap v4, introducing customizable liquidity pools through the use of "hooks," enabling the development of on-chain limit orders and other innovative features, with the deployment of v4 planned after gathering community feedback. EigenLayer, a re-staking protocol, is now live on Ethereum, enabling holders of liquid staking tokens to double down for additional yield with an initial limit of 3,200 per asset. Singapore-based Ribbon Finance announces the launch of Aevo, an options exchange offering Bitcoin and Ethereum derivative products.