Blockchain Security & Cryptography Research

I'm seeking a specialist with substantial experience in blockchain technology to aid in researching existing blockchain systems, with a primary focus on security and cryptography.

Key Responsibilities:
- Investigate current blockchain security measures and cryptographic methods
- Propose enhancements to existing protocols

Ideal Skills and Experience:
- Extensive knowledge of blockchain technology
- Proficient in security and cryptography
- Previous experience in improving blockchain protocols is a plus.