Blockstream

Applied Cryptographer (Bitcoin, Post-Quantum Focus)

Remote

Not SpecifiedCompensation
Junior (1 to 2 years)Experience Level
Full TimeJob Type
UnknownVisa
Cryptocurrency, Blockchain Technology, Financial TechnologyIndustries

Requirements

Candidates should possess a deep understanding of cryptographic principles and the ability to apply them to analyze complex technical problems and devise innovative solutions, demonstrating a commitment to high-quality, dependable work and a long-term perspective suitable for research and development. Applicants should also have excellent communication skills and a collaborative, team-player attitude, along with a Master’s degree or PhD in Computer Science or a related field, and preferred experience with post-quantum cryptography, Bitcoin and Layer 2’s at the protocol level, previous academic work on cryptocurrencies, digital signatures, zero-knowledge proofs, or other areas of cryptography, and experience implementing cryptography in practical systems.

Responsibilities

The Applied Cryptographer will adapt state-of-the-art post-quantum cryptography research to the Bitcoin domain, exploring features relevant for Bitcoin and contributing to Bitcoin Improvement Proposals (BIPs), while also exploring, evaluating, and benchmarking various approaches for integrating post-quantum schemes into Bitcoin, implementing cryptography for potential usage, analyzing their implications, and emphasizing performance and correctness.

Skills

Post-Quantum Cryptography
Bitcoin Protocol
Threshold Signatures
Signature Aggregation
Taproot Tweaking
Silent Payments
HD Wallets
Cryptographic Research
Cryptography Implementation
Cryptography Evaluation
Cryptography Benchmarking
Bitcoin Improvement Proposals (BIPs)

Blockstream

Blockchain solutions for Bitcoin and digital assets

About Blockstream

Blockstream enhances the infrastructure of the cryptocurrency market, focusing on Bitcoin and digital assets. Their main products include the Liquid Network, which allows for faster and more private transactions; Blockstream Mining, offering mining services and investment opportunities; Core Lightning, which enables quicker and cheaper Bitcoin transactions; and secure wallets like Blockstream Green and Jade for storing Bitcoin and Liquid assets. They also provide global access to Bitcoin data through Blockstream Satellite, which broadcasts the Bitcoin blockchain via satellite. Blockstream serves a wide range of clients, from individual users to institutional investors, and generates revenue through transaction fees, mining services, hardware sales, and partnerships. Their goal is to improve the security, scalability, and functionality of Bitcoin and other digital assets, making them a versatile player in the digital asset ecosystem.

Key Metrics

Montreal, CanadaHeadquarters
2014Year Founded
$604.1MTotal Funding
CONVERTIBLECompany Stage
Crypto & Web3, Financial ServicesIndustries
51-200Employees

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Flexible Work Hours
Remote Work Options
Stock Options
401(k) Retirement Plan
Performance Bonus

Risks

Competition from Ledger and Trezor challenges Blockstream's Jade wallet market share.
New CIO Sean Bill may shift asset management strategies, affecting partnerships.
Convertible note financing increases financial risk if market conditions change.

Differentiation

Blockstream Satellite provides Bitcoin access without internet, enhancing global accessibility.
Liquid Network offers faster, confidential transactions, appealing to traders and exchanges.
Core Lightning facilitates cheaper Bitcoin transactions, improving scalability and efficiency.

Upsides

Rising demand for non-custodial wallets boosts Blockstream Green Wallet adoption.
Growing interest in satellite-based solutions aligns with Blockstream Satellite's capabilities.
Bitcoin's hash rate increase benefits Blockstream's mining operations and investment products.

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