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Applied Cryptographer at Blockstream, Remote (Global)

  • Full Time
  • Mid-level
  • Remote
  • Remote

Website Blockstream

Description

Job Title: Applied Cryptographer

We are seeking a talented Applied Cryptographer to join our research team and play a key role in our Post-Quantum Cryptography (PQC) initiative. You will be instrumental in researching, evaluating, and implementing post-quantum cryptographic solutions tailored for the unique challenges and opportunities within the Bitcoin ecosystem. This is a chance to contribute significantly to the long-term security and evolution of Bitcoin.

What You’ll Be Doing :

  • Adapt state-of-the-art post-quantum cryptography research to the Bitcoin domain, exploring features particularly relevant for Bitcoin (e.g., threshold signatures, signature aggregation, Taproot tweaking, silent payments, HD wallets).
  • Explore, evaluate, and benchmark various approaches for concretely integrating post-quantum schemes into Bitcoin, analyzing their implications.
  • Contribute to and review Bitcoin Improvement Proposals (BIPs) and adapt standardized cryptography for use in Bitcoin.
  • Implement cryptography for potential usage in Bitcoin, emphasizing performance and correctness.

What We Look For In You :

  • Deep understanding of cryptographic principles and the ability to apply them to analyze complex technical problems and devise innovative solutions.
  • Commitment to high-quality, dependable work, reflected in a strong appreciation for robust and misuse-resistant cryptographic designs.
  • A long-term perspective suitable for research and development efforts that may take years to reach fruition.
  • Excellent communication skills and a collaborative, team-player attitude.

Nice To Haves:

  • Specific academic or practical experience with post-quantum cryptography.
  • Familiarity with Bitcoin and Layer 2’s at the protocol level.
  • Previous academic work on cryptocurrencies, digital signatures, zero-knowledge proofs, or other areas of cryptography.
  • Proven experience implementing cryptography in practical systems.
  • Experience with C or Rust.
  • Experience contributing to open-source projects.
  • Master’s degree or PhD in Computer Science or a related field.

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To apply for this job please visit job-boards.greenhouse.io.

Applied Cryptographer at Blockstream, Remote (Global)
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