Blockchain and Cryptography Overview
Completed by Roman Liger
August 14, 2026
7 hours (approximately)
Roman Liger's account is verified. Coursera certifies their successful completion of Blockchain and Cryptography Overview
What you will learn
Describe the purpose of hash functions and public key cryptography in blockchain security.
Explore the fundamentals of blockchain technology, including blocks, chains, and network security, and identify and encounter basic threats.
Analyze the security of Proof of Work (PoW), Proof of Stake (PoS), and alternative consensus methods.
Skills you will gain
- Category: Blockchain
- Category: Network Security
- Category: Cyber Risk
- Category: Cybersecurity
- Category: Cryptography

