June 1, 2026 - Fidesium

Abraham Polishchuk

Abraham Polishchuk is Co-Founder and CTO of Fidesium, the UK smart contract security firm he co-founded with Greg Bock in March 2023. He spent fifteen years leading development teams and computing actuarial risk on large data sets in real time, writing and auditing smart contracts along the way. He writes most of Fidesium's published engineering work, including the Adrena and Sumvin audit case studies and the quarterly platform updates. He is based in London.

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Fidesium × Adrena: a Case Study

June 1, 2026 1 Comment

Auditing a Solana Perps DEX at Production Scale TL;DR: Fidesium audited Adrena – a Solana-native perpetual futures DEX run by the Autonom Foundation – across

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Abraham Polishchuk

Fidesium × Adrena: a Case Study

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