U4L3 (1.4.5) Hashing, Digital Signatures, and Blockchain
Автор: CyberTeaches
Загружено: 2026-01-24
Просмотров: 1
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Hashing, digital signatures, and blockchain are core technologies that keep modern cybersecurity systems trustworthy and secure. In this lesson, you’ll learn how hashing protects passwords, why salting and key stretching make hashes stronger, and how digital signatures verify that data has not been altered. We also break down how cryptography works, why keys must be protected, and how authenticated encryption ensures data integrity.
The video finishes by explaining blockchain as a distributed and immutable public ledger, showing how repetitive hashing prevents tampering and builds trust across systems. This lesson is perfect for anyone studying cybersecurity concepts, preparing for classes or certifications, or looking to understand how data integrity and authentication work behind the scenes.
Note: This video is created with the help of AI for educational purposes. Some visuals may be AI-generated.
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