Engineers of digital-asset infrastructure since 2016
Protofire integrates, builds and operates the infrastructure behind onchain financial products: 250+ projects since 2016. Part of the Altoros group, with registered entities in Warsaw, Oslo and San Juan.
Real assets and regulated products, brought onchain.
Smart contracts, oracles, and the backend behind live products.
Core infrastructure, developer tooling, and long-term maintenance.
Work shipped for 60+ networks and 95+ protocols, including
How an engagement runs: tell us what you are building, an engineer reads it, and a written proposal follows one business day after the call. How we work →
Our story
From a small Ethereum team in 2016 to infrastructure for protocols, DeFi platforms, and institutions.
See the conferences, hackathons and rooms we have shown up in since 2016, on the events page →
Long-term partners
The ecosystems we have helped build, and the work behind each.
The GraphBuilt 30+ subgraphs and ran a top-3 Graph indexer by indexing rewards, 2020 to 2024.
Filecoin12 million daily mainnet requests, 99.58% average yearly API uptime, and 229,258 total unique IPs.
Gnosis ecosystemContributed to Safe (the multisig for managing digital assets collectively), Gnosis Auction, CowSwap DEX and the Explorer apps, the Conditional Token framework, and Omen, a decentralized prediction market.
ChainlinkIntegration acceptance testing across 7+ networks and 20+ External Adapters that developers use to feed data into their smart contracts, plus tooling to spin up a local Chainlink node with Foundry.
Swarm MarketsBuilt the DEX core (an AMM on a Balancer base) and the subgraph for Swarm Markets, a BaFin-licensed venue at launch where only KYC-verified wallets trade, and contributed to dOTC, its OTC venue.
Delivered 15+ proof-of-reserve and real-time attestation deployments for asset-backed tokens, and spun up and maintain 25 nodes across 11 networks.
Our team
Since 2016, this team has been building the open financial infrastructure that protocols, fintechs, and banks now run on.
Get a proposal
Tell us what you are building. An engineer reads it, we have a short call, and the written proposal follows within one business day.