Decentralized Web3 data service taps ZK-proofs for tamper-proof SQL queries

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Decentralized Web3 data service Space and Time has tapped into zero-knowledge-proof technology to cryptographically verify information queries within its ecosystem.

The company’s proprietary Proof of SQL allows the platform to generate a SNARK cryptographic proof of a query within its decentralized data network, allowing users to trust that a data query is accurate and has not been manipulated.

Space and Time intends for the service to provide tamper-proof on-chain and off-chain data to blockchain services, advanced computing, artificial intelligence and large language models. Space and Time co-founder Jay White told Cointelegraph that the innovation could prove useful across a range of blockchain-based solutions, including financial services, retail, health care and gaming:

“We believe that data will enhance the interoperability between the on-chain and off-chain ecosystems, fostering greater collaboration between decentralized and traditional systems.”

Proof of SQL will enable decentralized applications (DApps) to run a query to Space and Time’s data warehouse and create a rollup of the result to a smart contract. The Proof of SQL ensures trustless but verified proofs of data that are efficient and privacy-preserving.

The firm notes that the service could provide significant value to industries where monetary value is directly linked to data, with financial services as a prime example.

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The company also sees potential in the technology to verify that large language models were trained on accurate, tamper-proof data. This could become an important aspect as tools like OpenAI’s ChatGPT become integrated into business processes.

Space and Time’s service includes a blockchain data indexing service that features pre-built Web3 APIs that allow DApps to access real-time data from the Ethereum, Polygon, BNB Smart Chain, Sui and Avalanche blockchains. The platform also integrates with Chainlink oracles and decentralized storage platforms.

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Space and Time’s Proof of SQL is currently being used by credit-scoring blockchain protocol Lendvest. The service calculates an on-chain credit score based on a user’s on-chain and off-chain financial data.

According to Lendvest co-founder Joshua Gottlieb, Proof of SQL is being used to prove that credit scores are verified, calculated correctly and associated with a correct wallet address.

The system is intended to allow decentralized finance (DeFi) lending platforms to algorithmically establish the risk profile of a user, which is aimed at improving returns for both users and DeFi protocols.

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