Space and Time (SXT) is a decentralized data warehouse and Layer-1 blockchain that delivers verifiable, tamperproof data to smart contracts and AI applications. Launched in 2022 by Nate Holiday and Scott Dykstra, the project is headquartered in Los Angeles. Space and Time said it has raised $50 million in funding. Central to its technology is Proof of SQL, a zero-knowledge (ZK) coprocessor that generates cryptographic proofs, ensuring the accuracy of SQL query results and the integrity of the underlying data. ^[1]​

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History

Space and Time was founded in 2022 by Nate Holiday and Scott Dykstra. The company has focused on creating a decentralized framework that merges blockchain technologies with traditional data processing capabilities. Space and Time said it has raised a $20 million Series A round and listed investors including Framework Ventures, OKX, Hivemind, M31 Capital, and Alumni Ventures. ^[1]​

Technology & Architecture

Space and Time features a decentralized three-layer network architecture designed for efficiency and security. It consists of Indexer nodes, Validator nodes, and Prover nodes. Indexer nodes retrieve raw data from blockchains such as Ethereum, Bitcoin, Polygon, and ZKsync, while Validator nodes verify data integrity and reach Byzantine Fault Tolerant consensus. Prover nodes use Proof of SQL to generate ZK proofs for query execution, enabling fast, verifiable computations. Proof of SQL is a ZK coprocessor that enables SQL queries to be verifiable after execution; the process ensures that query results are accurate and that the underlying data has not been altered. ^{[2] [4]}​

Products & Use Cases

Space and Time powers a variety of applications by providing a platform for data-driven smart contracts and decentralized applications (dApps). By allowing smart contracts to query both onchain and offchain data with verifiable outcomes, Space and Time supports use cases across decentralized finance (DeFi), gaming, and enterprise applications. For instance, in DeFi, smart contracts can utilize historical and real-time data to execute complex financial transactions securely and reliably. ^[4]​

The Space and Time ecosystem also includes features such as self-service blockchain indexing, secure offchain data tables, and APIs that seamlessly integrate with applications. These tools are designed to facilitate real-time data processing and analytics in a decentralized environment. ^[3]​

Team & Governance

The founding team of Space and Time includes Nate Holiday (CEO) and Scott Dykstra (CTO). Additional co-founders listed by the company include Jay White and Craig Holiday. Governance is centered on a decentralized network of validators, which stake the native SXT token to participate in consensus processes. The native SXT token is used for staking, validator payouts, query payments, data-provider rewards, and governance functions. ^[2]​