International Association for Cryptologic Research

International Association
for Cryptologic Research

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Cryptography Engineer Internship
Dfns Labs
Dfns Labs, the research division of Dfns, seeks MS/Ph.D scholars with a substantial aptitude in applied cryptography for remote internships spanning 10-12 weeks. These internships encompass designing and implementing threshold cryptographic protocols. Opportunities for internships are available throughout the year, commencing in the summer of 2023. We welcome applications from individuals of diverse backgrounds with distinctive outlooks.

Dfns is a cybersecurity company that builds custody SaaS solutions for web3 apps. Dfns gives financial institutions and businesses—from fintechs to e-commerce sites—the freedom to own and transfer crypto using a battle-designed security infrastructure.

Job Description
  • Develop proof-of-concepts exhibiting common MPC, threshold cryptography, and zero-knowledge proof implementations.
  • Collaborate with the research and engineering team on technical research tasks.
  • Contribute to academic articles and blog posts.
  • Stay apprised of the newest advancements in crypto, DeFi, and blockchain.
  • Interact with a team of cryptographers and engineers to contribute to the company's research plan.

  • Basic Qualifications
  • Must be enrolled in a Ph.D. or Masters program in Computer Science or a related technical field.
  • Must possess formidable software engineering skills in common programming languages (e.g. C/C++, Rust (preferred), Python, Java).
  • Should possess a working knowledge of cryptography and privacy-enhancing technologies.
  • Must possess superior written and verbal communication skills.

  • Additional Information
  • Compensation: Attractive salary, equity options, paid time-off, etc.
  • Location: Hybrid – Home or Office-based

  • Contact: Please send your CV to
    Contact Xianrui Meng ( and Jon Katz ( for more information.

    Last updated: 2023-04-10 posted on 2023-04-04