Blocknative
Real-time transaction monitoring & gas prediction infrastructure
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About Blocknative
Blocknative works on the pre-chain data layer: a self-run node network captures mempool events in real time and streams each transaction's lifecycle, from broadcast and pending to inclusion, drop or replacement, to wallets and dApps, alongside gas price prediction, transaction simulation and MEV data. Its Gas Platform sets tiered fee estimates from block-space supply and demand so wallets can choose a priority fee, and its monitoring endpoints suggest replacement or acceleration when a transaction stalls, cutting the uncertainty of a pending state.
Customers are wallets, trading tools, stablecoin issuers and analytics firms that embed the streaming interfaces into the moments before confirmation rather than replacing RPC. Against indexers that only read confirmed data, its value is seeing transactions before inclusion, which also means coverage is squeezed as private order flow grows: transactions routed through private channels never reach the public mempool. The public Ethernow explorer ended support on 1 March 2025, and the company's earlier MEV-Boost relay business has also shut down.
Blocknative was founded in 2018, focusing on Ethereum mempool monitoring and gas fee prediction, providing real-time transaction visibility tools for wallets, protocol teams, and institutions. In November 2020, it raised $5 million led by Blockchain Capital; in December 2022, it secured a $15 million Series A-1 round. Its research revealed that private transactions dominate Ethereum order flow, consuming over 50% of gas and impacting transaction fairness. In 2026, the team joined Deloitte to focus on Web3 innovation; its standalone API services and Gas Network will cease operations on June 19, 2026, marking the end of its independent infrastructure provider status.
Over the past six months, Blocknative completed its transition into Deloitte. On May 19, Blocknative announced that its team had joined Deloitte and that the company was ceasing operations; its API services and Gas Network stopped responding on June 19. The infrastructure firm, founded in 2018, thus wound down its mempool monitoring, gas prediction, and transaction management business.
The move came as enterprises accelerated adoption of AI and agentic workflows. Blocknative's public product lines have all been shut down, and the team's work has shifted into Deloitte client engagements, with its capabilities reapplied to enterprise scenarios.
On future strategy, Blocknative has not published an independent roadmap. The team plans to continue research on blockchain and cryptographic systems inside Deloitte, focusing on trust, coordination, and verification gaps introduced by enterprise-grade AI agents, while advancing Web3 innovation across Deloitte's client portfolio. This direction builds on Blocknative's technical experience in mempool visibility, transaction orchestration, and pricing, but shifts the application context from public-chain infrastructure to enterprise services. Founder Matt Cutler said the work would continue in a different setting and at a different scale. As of October 2026, no specific timeline or product plan has been disclosed publicly.
Matt Cutler — Founder & CEO; MIT mechanical engineering background, former Cisco product management director, founder & CEO of Collaborate.com.
Chris Meisl — Co-founder & CTO; leads technology.
Blocknative has undergone significant team changes recently. Co-founder and CTO Chris Meisl departed in May 2026, ending his tenure since October 2018.
According to related online sources, the Blocknative team has joined Deloitte as a whole, and the company is gradually ceasing operations, with its API and Gas Network services scheduled to be shut down on June 19, 2026. This change marks the end of independent operations for this Web3 infrastructure company focused on mempool visibility and gas fee prediction.