Ryan S.
Ryan S.
Security engineer | Blockchain Developer

Blog specialized on Security, Crypto and blockchain.

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2026 © Ryan S.

    The EU Money Market Fund Regulation (EU) 2017/1131 — Fund Types, Portfolio Rules, Valuation and Liquidity Tools

    The EU Money Market Fund Regulation (EU) 2017/1131 — Fund Types, Portfolio Rules, Valuation and Liquidity Tools

    How Regulation (EU) 2017/1131 governs EU money market funds: VNAV, LVNAV and CNAV types, eligible assets, WAM/WAL limits, the 20 bp collar and gates.

    2026, Oct 01   —  35 minute read
    Building a Compliant EU Money Market Fund Portfolio — Eligible Assets, Diversification Limits, Credit Assessment and WAM/WAL

    Building a Compliant EU Money Market Fund Portfolio — Eligible Assets, Diversification Limits, Credit Assessment and WAM/WAL

    A worked EUR 1 billion EU money market fund portfolio checked against the MMF Regulation: eligible assets, group limits, credit assessment, WAM and WAL.

    2026, Oct 01   —  22 minute read
    Is Aztec's Note Encryption Constrained? AES-128, the Three Delivery Modes and What Each One Proves

    Is Aztec's Note Encryption Constrained? AES-128, the Three Delivery Modes and What Each One Proves

    Whether Aztec proves in-circuit that a note was encrypted correctly: what onchain_constrained guarantees, where the AES-128 constraints live, and what the other two delivery modes do not prove.

    2026, Sep 30   —  13 minute read

    Mermaid Diagrams on GitHub Pages — A Rendering Test

    Why a Mermaid diagram renders on github.com but not on a GitHub Pages site, and a working test page covering flowcharts, sequence diagrams and theme switching.

    2026, Sep 29   —  3 minute read

    Reading KMSGeneration.sol — How the Zama Protocol Requests, Certifies and Activates Its FHE Keys On-Chain

    A line-by-line reading of KMSGeneration.sol: the two-phase key generation ceremony, what 'consensus' means when thirteen KMS nodes sign an EIP-712 digest, contexts and epochs, CRS generation, key migration, aborts, and what the contract deliberately does not verify.

    2026, Sep 28   —  17 minute read
    Malachite Consensus on Arc — How Circle's L1 Finalises a Block, Compared with CometBFT, HotStuff and Gasper

    Malachite Consensus on Arc — How Circle's L1 Finalises a Block, Compared with CometBFT, HotStuff and Gasper

    How Arc runs Malachite, a Tendermint-family BFT engine, over Reth, and how its rounds, proposers and validator sets compare with CometBFT, HotStuff and Gasper.

    2026, Sep 25   —  20 minute read
    The ARC Token Whitepaper — Circle's Coordination Asset Read Against the Arc Node

    The ARC Token Whitepaper — Circle's Coordination Asset Read Against the Arc Node

    Circle's ARC whitepaper proposes staking, fee-to-ARC conversion and burn for Arc. The live chain credits USDC fees to the proposer and burns nothing.

    2026, Sep 25   —  19 minute read
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