October 27, 2025 - 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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Chadi Sebbar’s Journey into Smart Contract Security

October 27, 2025 No Comments

Web3 security isn’t just about code, it’s about the people who dedicate their careers to protecting the ecosystem, and with it a vision for a

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Abraham Polishchuk

Chadi Sebbar’s Journey into Smart Contract Security

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