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California-based crypto startup Space and Time has released a new high-performance ZK prover to improve on-chain transactions and defi growth. 
Space and Time (SxT), a custom-built compute layer, granted public access to its sub-second zero-knowledge (ZK) prover stack, dubbed Proof of SQL. The ZK-proof system was previously made available to a few SxT clients in alpha last August. 
ZK provers were necessitated by privacy needs, a cornerstone of cryptographic technology. The fundamental thesis of ZK models allows users to demonstrate that data or transactions are valid or true without revealing additional information.&nbsp; 
Several web3 developers, including Ethereum’s <a href="https://crypto.news/?s=Vitalik+Buterin" rel="">Vitalik Buterin</a>, have stressed the role of <a href="https://crypto.news/what-is-zero-knowledge-proof-how-it-works/" target="_blank" rel="">ZK stacks</a> in building reliable decentralized finance (defi) ecosystems.&nbsp;The technology is viewed as crucial for ensuring safe on-chain interactions for smart contract protocols and end-users. However, ZK proofs have been known to sometimes slow down execution.&nbsp; 
 You might also like: <a href="https://crypto.news/what-is-zero-knowledge-proof-how-it-works/" rel=""> What is zero knowledge proof and how does it protect your data? </a> 
SxT co-founder and head of research Jay White, PhD, said his team developed the Proof of SQL program “so that smart contracts and AI agents can ask questions about a chain’s activity, as well as off-chain data, and receive back trustless SQL query results on-chain during a transaction without having to wait for 30 minute proof times.” 
The web3 data warehouse said its Proof of SQL delivers better-optimized processing architecture for large-scale operations compared to generalized zk-Virtual Machines and co-processors.&nbsp; 
According to SxT and White, the ZK prover executed queries for over 100,000 row tables in under one second on a single GPU united. The model can be integrated into zkVMs on blockchains like Ethereum (<a href="https://crypto.news/price/ethereum/" rel="">ETH</a>) for faster speeds and bigger tasks. 
 Read more: <a href="https://crypto.news/the-missing-link-in-a-decentralized-internet-is-confidentiality-opinion/" rel=""> The missing link in a decentralized internet is confidentiality | Opinion </a>

Space and Time debuts sub-second ZK prover

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