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Papers

Formal papers and preprints from a PhD-by-publication track on zero-knowledge proof systems, consensus-layer privacy, and the cryptographic interfaces between humans and AI agents. Drafts are rough; preprints are circulating; submitted is under peer review. Papers-only Atom feed →

Preprints

  1. preprint

    Production Round-Constant Selection for Poseidon-128 over BN254

    Hayden 'Dax' Porter-Aylor · Zera Labs / Independent

    Poseidon-128 over BN254 has converged on a small number of canonical parameter sets, but the round-constant tables shipped by widely deployed implementations diverge subtly. We document the methodology by which a production parameter set should be selected — the Grain-LFSR…

    • Poseidon
    • round constants
    • BN254
    • parameter selection
    • zero-knowledge
  2. preprint

    Asymmetric Tool Surfaces for AI-Agent Cryptographic Primitives

    Hayden 'Dax' Porter-Aylor · Zera Labs / Independent

    We argue that SDKs exposing cryptographic primitives to autonomous AI agents must obey an explicit asymmetry rule: read and pure-compute operations may be exposed without privilege, but state-changing authority must remain behind an out-of-band human or hardware confirmation. We…

    • zero-knowledge
    • MCP
    • AI agents
    • SDK design
    • threat modelling

Drafts

  1. draft

    L1 Nullifier Sets: Consensus-Layer Double-Spend Prevention in a UTXO-Based Privacy Chain

    Hayden 'Dax' Porter-Aylor · Zera Labs / Independent

    We formalise the choice of locating the nullifier set in consensus state, rather than in wallet-side software, for a UTXO-based privacy chain derived from Bitcoin. We give a chain model extending the Bitcoin backbone protocol with a shielded UTXO type, a soundness theorem…

    • nullifier
    • consensus
    • privacy
    • UTXO
    • Bitcoin