In recent discussions surrounding blockchain technology, a significant concern has emerged regarding the effectiveness of interoperability solutions. Billions of dollars have been invested in interoperability infrastructure over the past few years, yet the progress has been minimal. The primary advancement has been the ability to transfer tokens across different chains, but this has not resolved the underlying issues that developers face. Users continue to bridge tokens to execute actions, and developers are still dedicating substantial resources to create decentralized finance (DeFi) primitives for their rollups. This situation has led to a fragmented ecosystem where applications like Pendle operate across multiple protocols and chains. The current state of rollups is described as intra-operable rather than truly interoperable, which poses a significant challenge for developers building on-chain applications. The risk is that a developer may invest considerable effort into creating an application, only to find that the chosen blockchain lacks adequate bridge connectivity, effectively isolating their project. The critique of traditional interoperability solutions highlights their failure to address fragmentation. True interoperability should eliminate the need for bridges and liquidity bootstrapping, allowing applications to function seamlessly across chains without sacrificing performance or security. However, the expansion of blockchain networks remains slow and costly. Solutions that rely on point-to-point connections, such as LayerZero, impose high costs and lengthy engineering timelines for each new connection. This model is not sustainable as the number of rollups continues to grow rapidly. Hub and spoke protocols, like those offered by Axelar, present some improvements but still suffer from throughput and latency issues. The argument against these solutions is that they often rely on third-party setups or multi-signature arrangements for security, which may not be as robust as leveraging the security of established networks like Ethereum. To address these challenges, the introduction of Polymer Hub is proposed as a solution. Polymer Hub aims to provide applications with high-performance connectivity and minimal overhead. It promises free and rapid expansion, real-time latency, and protection against reorganization, creating a new design space for applications akin to cloud-native environments. The creators of Polymer Hub, including Peter Kim and his collaborator, believe that this approach can alleviate the interoperability concerns that currently plague developers in the blockchain space. They invite developers to reach out for more information on how Polymer Hub can simplify their interoperability needs.