Shreyas Londhe

Shreyas Londhe

Applied cryptographer working on zero-knowledge proof systems. Building production ZK stacks at ZkEmail; research on ZK regex (PoPETs 2026). Based in India.

New ZK Regex paper accepted at PoPETs 2026

Featured Work

  • zk-email-verify

    Core contributor @ ZkEmail

    Verify any text in any sent or received email, cryptographically — trusting only the sending mailserver.

  • zk-regex v2

    Author @ ZkEmail

    Regex-to-circuit compiler (Circom/Noir) with off-circuit NFA traversal and in-circuit proof.

  • WHIR

    Contributor

    Reed–Solomon proximity testing with super-fast verification. Added batch prove/verify and recursive verification support.

  • ProveKit

    Contributor @ World

    Client-side zero-knowledge proving.

Publications

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