StreamingFast
Venture studioPre-Seed–Seed
Investment thesis
StreamingFast is primarily a blockchain data infrastructure company, best known for its Firehose and Substreams technologies that enable high-performance indexing on high-throughput chains. Launched in 2018 and now employee-owned following a core developer grant from The Graph in 2021, it integrates its products into The Graph stack to open the protocol to new data use cases. In addition to this technical work, StreamingFast incubates projects alongside its partner Diagram Ventures and invests in early-stage companies with a focus on infrastructure.
Source: firm website, verified Aug 3, 2026.
Frequently asked questions
- What stage does StreamingFast invest at?
- StreamingFast invests at the Pre-Seed, Seed stages.
- What sectors does StreamingFast focus on?
- StreamingFast focuses on Crypto & Web3, Data & Infrastructure, Deep Tech.
Media · Podcasts & interviews
from their channelWhat are Substreams? Rob interviews Sally, a new StreamingFast Devrel
StreamingFast
Tracking Factory Smart Contracts with the Substreams CLI
StreamingFast
Substreams Tutorial - Sink events from an Ethereum smart contract to an SQL database
StreamingFast
Introducing Substreams
StreamingFast
Images
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