Blockstream
Applied Cryptographer (Bitcoin, Post-Quantum Focus)
This job is now closed
Job Description
- Req#: 6859234
- 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.
- 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.
- 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.
Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry.
Our research team sits at the forefront of Bitcoin innovation, aiming to be a trusted, innovative, and impactful force in the space. We advance Bitcoin protocol and application development through cryptographic research, specifications, code, and active technical discussions within the community. We foster a collaborative, quality-focused environment that values deep thinking, long-term impact, and transparent, open-source contributions, empowering each member to contribute optimally.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 (Responsibilities):
What We Look For In You (Required Qualifications):
Nice To Haves (Preferred Qualifications):
About the company
Blockstream is a blockchain technology company led by co-founder Adam Back, headquartered in Victoria, Canada, with offices and staff worldwide.
Notice
Talentify is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.
Talentify provides reasonable accommodations to qualified applicants with disabilities, including disabled veterans. Request assistance at accessibility@talentify.io or 407-000-0000.
Federal law requires every new hire to complete Form I-9 and present proof of identity and U.S. work eligibility.
An Automated Employment Decision Tool (AEDT) will score your job-related skills and responses. Bias-audit & data-use details: www.talentify.io/bias-audit-report. NYC applicants may request an alternative process or accommodation at aedt@talentify.io or 407-000-0000.