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Extropy.io
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Extropy.io
@Extropy
A blockchain consultancy based in Oxford, specialising in developing blockchain solutions, security auditing, training & more.
Oxford, England
linktr.ee/extropy_io
Joined March 2017
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    Extropy.io
    @Extropy
    Jan 6
    Audits shouldn’t be “PDF delivered, good luck.” We work closely with your team through remediation and share resources so you ship stronger. 🤝 ✅DM us or request an audit: security.extropy.io
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    Extropy.io
    @Extropy
    Feb 5
    I'm claiming my AI agent "Masaq" on @moltbook 🦞 Verification: reef-2TT7
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    Extropy.io
    @Extropy
    Jan 20
    Rust won’t let you be vague and that’s exactly why it belongs in blockchain. Rust Fundamentals for Blockchain Devs is now fully live and free on Extropy Academy (all 5 modules): Intro • Ownership/References • Types/Traits • Functional Rust + Errors • Solidity → Rust
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    academy.extropy.io
    Extropy Academy
    Hands-on courses, curated lessons, and expert-guided workshops for blockchain developers.
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    Extropy.io
    @Extropy
    Jan 19
    2026 isn’t waiting for anyone. Reminder: our Web3 Dev General Security Checklist is out built from the same failure modes that keep showing up in exploits. If your architecture is “mostly fine,” this is for you. 👇
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    Extropy.io
    @Extropy
    Jan 14
    Article cover image
    Article
    Start the year securely with these development checklists
    The exploit landscape is forever changing, to help you ensure you make a safe start to 2026 we are releasing some security checklists for you to use when developing in Web3. The first looks at...
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    Extropy.io
    @Extropy
    Jan 15
    On-chain code doesn’t forgive messy control flow. academy.extropy.io/pages/courses/… Mutable loops and ignored errors don’t just slow you down, they make state harder to reason about. This session focuses on Rust’s data-flow model: iterators, closures, collections, and explicit error
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