About Us

We envision Firewall as a part of every smart contract network, acting as an embedded security system that intelligently guards against threats.

Our focus is not on marginal improvements; rather, we bring a required paradigm shift in the usability of blockchains.
Build your careers with us

Firewall is building the safety rails that enable the everyday person to use the next era of the Internet. Today, billions of dollars are stolen from users, through irreversible transactions that are classifiable as theft.

Our Team

The Firewall team is made up of blockchain and AI experts, combining deep knowledge of both fields to create cutting-edge security solutions. With a shared commitment to innovation and safety, we are dedicated to making DeFi secure and trustworthy for users.
COMPUTER ENGINEER
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Computer engineer with dual MSc in CS. Authored a Bitcoin Lightning Network paper @ IEEE ICBC. Passionate about Layer 2 solutions, game theory, and emerging blockchain technologies.

CO-FOUNDER
Devan Purhar

Founding engineer & employee #1 @ Staked (acq. by Kraken). Ethereum engineer, AI & ML.

Inventor of the DeFi yield aggregator and MEV team @ Kraken. Optimistic cypherpunk.

CO-FOUNDER
Sam Mitchell

Early employee, product team and sales engineer @ Staked. Programmable contracts.

Recently product lead and rust engineer for MEV-capture @ Primitive on the AMM frontier.

ETHEREUM ENGINEER
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Smart contract engineer, and DeFi degen specializing in blockchain data intersected with security.

Studied comp sci, focused in AI & ML. Previously, Software Engineer @ Central 1 serving institutional fintech infrastructure

EVM ENGINEER
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Ethereum Foundation Protocol Fellowship 2023. Mathematician + Rust Ethereum, contributing to OSS such as the Reth client, Revm and Alloy.

Co-Author alongside @aantanop @gavofyork of Mastering Ethereum 2nd Edition. Founder of one of the biggest crypto community's in Italy.

AI ENGINEER
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Mathematician and Computational Neuroscientist (PhD) with deep expertise at the intersection of ML and blockchain. Formerly at OpenZeppelin, with experience at Fintech and Amazon.

SYSTEMS ENGINEER
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Early lead engineer at Monad, where he built the parallel-EVM execution client. Previously an HFT specialist on Wall Street.

BLOCKCHAIN ENGINEER
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Previously @Farcaster and @Flashbots, before that Founding Engineer @ Coinbase Cloud, Bison Trails

Press

Business Insider
The Block
CoinTelegraph
Decrypt

(we're backed by the best)