The Real Cost of Trust in DeFi – Fidesium

In this episode of HardWired, Harry sits down with Abraham Polishchuk, founder and CTO of Fidesium, to explore how one of crypto’s most critical but often overlooked infrastructure layers, security auditing and developer tooling, is evolving as the industry matures. From Abraham’s early days mining Bitcoin on his laptop to building a Web3-native security firm, the conversation digs into why “code is law” no longer cuts it, and how protocols can stay safe in an era of institutional capital, AI-assisted development, and increasingly sophisticated attackers.

By Harry Crabtree // August 19, 2026 @ 09:14 AM Make AlphaWire Logo preferred on Google News

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We discuss why manual audits alone are no longer enough, how Fidesium combines human expertise with automated tooling to help teams ship faster without sacrificing safety, and what really went wrong in high-profile exploits like Kelp DAO. Abraham breaks down the key failure modes in DeFi, from broken invariants and oracle manipulation to privileged role abuse and OPSEC lapses, and explains why defense-in-depth, surface-area mapping, and real-time monitoring are now table stakes for any serious protocol.

Some ideas explored:

  • Abraham’s journey from early Bitcoin miner to Web3 security founder
  • The origin story behind Fidesium and its mission to raise the security bar in Web3
  • Why institutions and mature protocols can’t rely on “no admins” idealism anymore
  • How Fidesium audits code, tooling, and operational processes end-to-end
  • The Kelp DAO exploit: malicious RPC nodes, bad data feeds, and trusted external systems
  • Why AI both helps and harms security — and why “vibe coding” is a terrible fit for DeFi
  • How protocols should think about risk registers, audit frequency, and change management
  • The future of DeFi security as banks, regulators, and Web2 engineers enter the space
  • A conversation about exploits, audits, and the infrastructure needed for crypto to stop getting hacked and start scaling safely.

You can learn more about Fidesium here: https://fidesium.xyz
This episode was brought together by AlphaWire: https://alphawire.xyz

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Harry Crabtree

Harry is a Web3 consultant and advisor with a background in crypto and blockchain dating back to 2017. Over the years, he’s worked across different parts of the space, building a perspective shaped by both the fast-moving nature of the industry and the people in it. His interest in Web3 has grown from early curiosity into a long-term focus on where the space is heading, what’s changing, and how founders, investors, and communities are shaping that future.

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