Category: verifiable data blockchain / zk-SQL coprocessor / onchain-finance data infrastructure
Summary: Space and Time is a data-focused blockchain and verifiable compute platform built around indexed blockchain data, tamperproof offchain tables, and zero-knowledge SQL proofs. Its official materials present it as more than a query layer or analytics vendor: the product surface spans a chain for cryptographic data commitments, prover nodes for ZK query execution, smart-contract query routers, app-facing data APIs, staking/validator docs, and the open-source Proof of SQL stack.
What it does:
Runs a decentralized data blockchain that secures database-style tables with validator-signed commitments instead of treating raw query infrastructure as a centralized service
Lets developers query indexed blockchain data and custom offchain datasets with SQL, then generate proofs that the results were computed correctly over untampered data
Supports smart-contract integrations where ZK-proven query results are returned onchain through query-router style contracts and callback flows
Exposes app-facing APIs and docs for offchain product usage alongside validator, node, and staking surfaces that show a real network/operator layer
Maintains public repos for Proof of SQL, GPU acceleration, node software, token and node-operation contracts, and ZKPay-style contract examples
Key claims:
The homepage calls Space and Time “a decentralized replacement for your database, blockchain indexing service, and API servers, all secured by a novel ZK coprocessor for SQL”
The docs describe Space and Time as an “open-source, decentralized Layer 1 blockchain designed to secure financial data onchain” and say validators sign data commitments while prover nodes execute and prove queries
The docs and llms.txt index show a broad operating surface spanning validator-node operation, delegated staking, indexed chain data, chain security and commitments, smart-contract query flows, and app-facing APIs
The Proof of SQL README says the prover can execute analytic queries over 1M+ rows in less than a second and is designed for both onchain and offchain verification
The GitHub organization shows active public repos across Proof of SQL, GPU acceleration, node software, token contracts, and node onboarding/staking contracts, reinforcing that this is infrastructure rather than a dashboard-only product
The project is best understood as verifiable data and computation infrastructure for onchain finance, especially where historical, cross-chain, or offchain data must be consumed by contracts or financial applications with cryptographic assurances
Whitepaper: An official whitepaper is linked from the Proof of SQL README and was saved locally as ../whitepapers/space-and-time-whitepaper.pdf. A broader primary-source snapshot was also saved in ../whitepapers/space-and-time-primary-sources-2026-04-26.md.