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SubQuery

SQT

Open-source multi-chain data indexer providing decentralized GraphQL APIs

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0.14%2.02%10.12%37.67%93.99%23.08%

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This content is generated by RD AI and is for reference only

SubQuery is an open-source, decentralized data indexer that provides flexible and fast GraphQL APIs for Web3 projects. It supports multiple blockchains including Polkadot, Ethereum, and Cosmos, allowing developers to extract, transform, and aggregate on-chain data by configuring a project manifest, defining a GraphQL schema, and writing mapping functions. Developers can run the indexer locally or deploy it to the SubQuery decentralized network, which is maintained by Indexers, Consumers, and Delegators, enabling full decentralization of data infrastructure.

Event Calendar

Mar 12, 2021
SubQuery raised $ 1.8 M in Seed round
Sep 8, 2021
SubQuery raised $ 9 M in Series A round
Feb 29, 2024
SQT is live for trading

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About SubQuery

SubQuery is a decentralized data indexing and RPC infrastructure platform for Web3. It provides developers with tools to index blockchain data and turn it into queryable formats, while also offering decentralized RPC endpoints for low-latency data access. The platform supports multiple chains, including EVM and non-EVM networks, and integrates AI applications to enable intelligent services on-chain. Its core value lies in replacing centralized infrastructure with a token-incentivized network of node operators, which reduces costs, improves reliability, and ensures censorship resistance. The main pain point it addresses is the inefficiency, high cost, and fragility of traditional centralized data services for dApps, which often suffer from latency, scalability bottlenecks, and single points of failure. By decentralizing indexing and RPC, SubQuery helps developers build faster, cheaper, and more resilient applications. Regarding recent developments (2026-02-28 to 2026-08-29), no reliable public information is available within the provided sources, so this section is omitted.

Updated: Aug 29, 2026

Sam Zou (Founder & CEO)

Sam Zou is the founder and CEO of SubQuery. He previously served as General Manager at Centrality, where he led a team that won 2nd place in the world's first Substrate/Polkadot Hackathon in 2019. Prior to that, he gained significant experience in large-scale infrastructure at Alipay and Yihaodian.com. His LinkedIn: https://www.linkedin.com/in/sam-zou-5b8169a/, Twitter: https://x.com/zoujialiu.

Updated: Aug 31, 2026