#ChainAbstraction redefines user interaction with decentralized applications (#dApps) across different blockchains. Users can seamlessly engage with any dApp on any chain by employing a single NEAR Wallet and a unified interface facilitated by #BOS, eliminating the necessity for intricate bridging mechanisms. This innovative concept integrates various elements, including Decentralized Frontends, Universal Wallets, NEAR Data Availability, and zk Provers. These components collectively contribute to a harmonious #Web3 user experience and foster cross-chain interoperability. The user-centric approach ensures simplicity and accessibility, paving the way for a more inclusive and interconnected blockchain ecosystem. With #ChainAbstraction, the complexities associated with navigating diverse blockchain environments are mitigated, allowing users to enjoy a streamlined and efficient interaction with decentralized applications. The synergy of these technologies empowers users to explore the full potential of the Open Web without grappling with the intricacies of managing multiple wallets or grappling with cross-chain compatibility challenges. In essence, #ChainAbstraction signifies a significant leap towards a more user-friendly, interconnected, and versatile blockchain landscape, marking a pivotal moment in the evolution of decentralized technology. The convergence of Decentralized Frontends, Universal Wallets, NEAR Data Availability, and zk Provers sets the stage for a new era of user-centric and interoperable blockchain applications.