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The Blockchain and Cryptography Overview course is a part of the Certified Blockchain Security Professional (CBSP) Exam Prep Specialization and introduces you to fundamental cryptographic principles. You will gain insight into concepts such as hash functions in blockchain, core components and advantages of blockchain, and assumptions and challenges in blockchain security. You will also learn about core blockchain concepts, highlight security measures against prevalent threats, and comprehend consensus security challenges while exploring well-known algorithms like Proof of Work and Proof of Stake. By the end of this course, you will be able to: 1. Describe the purpose of hash functions and public key cryptography in blockchain security. 2. Explore the fundamentals of blockchain technology, including blocks, chains, and network security, and identify and encounter basic threats. 3. Analyze the security of Proof of Work (PoW) and Proof of Stake (PoS) and alternative consensus methods. The courses in this specialization are designed for individuals interested in blockchain security and cybersecurity and are suitable for both coding and non-coding professionals.