Space and Time

Market Stats

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About Space and Time

Space and Time (SXT Chain) is a decentralized data platform designed to overcome the limitations of traditional smart contracts, which lack the ability to process complex data or securely interface with external sources. At its core is Proof of SQL, a novel zero-knowledge (ZK) cryptographic protocol that enables the verification of SQL queries over tamperproof datasets without exposing raw data or trusting centralized intermediaries. This mechanism is supported by the ZK Coprocessor, a high-performance computational engine that executes queries and generates ZK-proofs that smart contracts can verify. Space and Time acts as a decentralized backend and database, indexing real-time data from multiple blockchains (Ethereum, Bitcoin, Polygon, Avalanche, ZKsync, and others) and also ingesting off-chain datasets, creating a unified and verifiable layer of cross-chain information. This enables smart contracts to conduct accurate, auditable decision-making based on historical or real-time data without bridging. By storing only cryptographic commitments on-chain, SXT Chain avoids blockchain bloat while securing an unlimited amount of structured data. Use cases include building more reliable bridges, running financial derivatives based on ZK-proven token prices, delivering verifiable gaming rewards, or operating decentralized settlement systems for institutions. Through its serverless infrastructure, SQL APIs, and built-in support for business logic via Python, Space and Time empowers developers to build data-rich, interoperable dapps with cryptographic trust guarantees.