What sectors does Protofire focus on?

Protofire focuses on Crypto & Web3, Developer Tools, Fintech.

Protofire

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Andrei Yurkevich44 people can intro you
Arsenii Petrovich14 people can intro you
Ivan Bandaryk4 people can intro you

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✨ Fox Verdict

Investment thesis

Protofire is an engineering firm that has designed, built, and operated on-chain blockchain infrastructure since 2016 for Web3 protocols, DeFi platforms, and institutions tokenizing real-world assets.

Invests inCrypto & Web3 Developer Tools Fintech Global

Source: firm website, verified Aug 3, 2026.

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Founded

2016

Team · 7 people

from the firm's website & curated

Andrei Yurkevich· Founding Member· San Francisco Bay Areain

Andrei Yurkevich is a founding member at Protofire, where he leads the commercial operations of arenas.fi, a credit marketplace that connects specialty lenders with institutional capital for faster deployment and fewer covenants than traditional warehouse facilities. The platform serves lenders across embedded finance, revenue-based lending, invoice finance, B2B BNPL, earned wage access, and merchant cash advances. Protofire has developed financial infrastructure over two decades, applying that experience to address capital access constraints for specialty lending businesses.

Renat Khasanshyn· Chief Executive Officer· San Juan, Puerto Ricoin

Renat Khasanshyn is a Founding Member at ProtoFire Dev DAO, focused on applying blockchain technology to insurance product development. His work spans cryptoeconomics, game theory, insurance product design, and tokenization of risk through insurance-linked securities. His interests include platform ecosystem architecture, distributed computing, and neural network-based risk modeling.

Luís Medeiros· Venture Studio Co-founder - Growth & Strategy· São Paulo, São Paulo, Brazilin

Field CTO at ProtoFire.

Alejandro Losa· Offer Owner· Spainin

Alejandro Losa is Head of Sales and Business Development at Protofire, where he has built a $10M pipeline and generated over $2M in annual direct revenue by closing 35+ blockchain networks and DeFi protocols on deals ranging from $200K to $500K. Previously, he co-founded BIT Protocol, a Protofire spin-off, where he achieved $4M in total value locked and $100K annual recurring revenue within 12 months with full P&L responsibility. He brings over 10 years of B2B sales experience, including five years in Web3 infrastructure, DeFi, and real-world asset markets.

Arsenii Petrovich· SubDAO Owner· Warsaw, Mazowieckie, Polandin

Arsenii Petrovich is Co-Founder and CTO of Chain.Love, a platform designed to simplify Web3 services discovery for developers across blockchain networks. He brings approximately 10 years of DevOps experience, including 5 years in leadership roles, with expertise spanning blockchain technology and cloud infrastructure. Petrovich is a speaker at industry conferences covering Web2 and Web3 topics.

Cristian Malfesi· Offer Owner· Santa Fe, Santa Fe, Argentinain

Cristian Malfesi is Field CTO and founder of VaultOS.Finance at Protofire, developing private vault infrastructure for institutions seeking to deploy and operate tokenized products with governance and compliance controls. Previously, he co-founded Protofire's Venture Studio SubDAO and served as Field CTO for the Seed Projects Pool, where he scaled delivery operations and managed concurrent blockchain projects across DeFi, infrastructure, and protocol integrations. His work spans technical architecture, product ownership, and institutional blockchain adoption across ecosystems including The Graph, Chainlink, Polkadot, Safe, and MakerDAO.

Ivan Bandaryk· SubDAO Owner· Poznan Metropolitan Areain

Ivan Bandaryk is Field CTO at ProtoFire.io, bringing over 10 years of commercial software development experience and more than 7 years in CTO roles focused on Web3, blockchain, and DeFi technologies since 2014. He has launched multiple business lines and established partnerships with major Web3 companies, while managing substantial sales pipelines and leading cross-functional teams.

Frequently asked questions

What sectors does Protofire focus on?: Protofire focuses on Crypto & Web3, Developer Tools, Fintech.

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