In today's Web3 community, activities are becoming more frequent, but the speed of collaboration between projects is still limited. The reason often isn't the consensus layer, but the lack of a unified event stream architecture across multiple chains. Spaace is taking a completely different approach. Through its EventSync Relay Network, it standardizes multi-chain event streams, allowing applications on different chains to connect and sync events at the same level, instead of maintaining separate sets of listening and validation logic. This network-level event relay structure significantly reduces cross-domain call failure rates and compresses data confirmation delays to a range imperceptible to applications. At the same time, @spaace_io's Omni-State Indexer enables developers to directly read multi-chain states from a unified indexing layer, without having to parse each chain's blocks and logs individually. This unified indexing architecture turns cross-chain data access from an engineering challenge into a universal interface, which is highly meaningful for DApps, GameFi, and asset management products, as data consistency is a core component of user experience. Spaace also embeds Protocol-Level Incentive Hooks into the foundational layer, allowing applications to define incentive trigger conditions directly at the protocol level without deploying complex contract matrices. This eliminates the need for external tools for growth systems, making ecosystem expansion costs more controllable. If the first two generations of multi-chain were about 'connecting,' then Spaace's approach is more like 'making them truly work together.' The engineering value runs much deeper than it appears on the surface.