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Learn how the network protecting you works.

Two modules, eight chapters, no jargon for its own sake. The first explains what a distributed ledger is and why it removes the need to trust an intermediary. The second, why quantum computing puts an expiry date on the encryption holding up the internet — and what is being done about it.

  1. MODULE 1

    Decentralization 101

    What a distributed ledger is and why it removes the need to trust an intermediary.

    • DLT fundamentals: blocks and chains of information
    • Nodes: the backbone of every decentralized network
    • Cryptography: symmetric vs. asymmetric, RSA/ECC and their limits
    • Peer consensus, without mining or wasted energy
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  2. MODULE 2

    Quantum 101

    From bit to qubit: why quantum computing changes everything, and how to prepare.

    • The “quantum apocalypse” and Shor's algorithm
    • NIST final standards: FIPS 203/204/205 + HQC (2025)
    • “Harvest now, decrypt later”: why to act today
    • Xatoxi is not preparing for the future: it already lives there
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