Скачать или смотреть What is Blockchain Authentication?

https://www.udemy.com/course/master-i... *Blockchain Authentication Overview:*

Blockchain Authentication is a security process within the realm of blockchain technology that utilizes the principles of distributed ledger and digital identity verification to enhance user security. This authentication method safeguards data exchange on the blockchain network by ensuring the privacy of user information and protecting against unauthorized access. Blockchain Authentication involves verifying a user's identity through the blockchain's distributed ledger, contributing to a secure and tamper-resistant system.

*Key Points:*

1. *Digital Decentralized Public Ledger:*
Blockchain serves as a digital decentralized public ledger designed to record every data exchange on its network, ensuring transparency and accountability in transactions.

2. *Verification of User and Digital Identity:*
The process involves verifying both the user and their digital identity simultaneously, aiming to protect user passwords and data from unauthorized access.

3. *Security in Data Exchange:*
Blockchain Authentication is implemented to ensure the security of data exchanges on the blockchain network, utilizing distributed ledger technology for enhanced privacy and protection.

4. *Self-Sovereign Identity:*
By storing personal information on the block's hash (e.g., username or password), Blockchain Authentication contributes to achieving a self-sovereign identity, providing users with more control over their digital identities.

5. *Use of Blockchain's Distributed Ledger:*
The authentication system utilizes the blockchain's distributed ledger technology to verify user identities and enhance the privacy and security of authentication processes.

*Topics Covered in the Article:*

1. *Examples of Blockchain Authentication:*
Financial transactions, supply chain management, healthcare, cybersecurity, and personal identity are highlighted as areas where blockchain authentication is applied for enhanced security.

2. *2-Factor Authentication (2FA):*
Definition and importance of 2-Factor Authentication, its working mechanism, and the reasons why it is considered a crucial element in securing user accounts.

3. *Blockchain for 2-Factor Authentication:*
The article explores the application of blockchain technology in implementing 2-Factor Authentication, emphasizing its role in providing advanced security controls, particularly in cybersecurity.

*Examples of Blockchain Authentication Use Cases:*

1. *Financial Transactions:*
Blockchain enhances financial security by processing and recording all transactions on its network, improving the overall security of payments and financial transactions.

2. *Supply Chain Management:*
Blockchain supply chain applications help manage and secure the supply chain by recording relevant information such as price, date, location, quality, and certification.

3. *Healthcare:*
Blockchain technology is utilized in healthcare to trace medicines securely, combating counterfeiting and addressing a major concern in the pharmaceutical industry.

4. *Cybersecurity:*
Blockchain contributes to advanced security controls in cybersecurity by using public key infrastructure for identity verification and encrypted communications.

5. *Personal Identity:*
Blockchain's decentralized nature provides users with more control over their digital identities, offering secure and tamper-resistant records for identity management purposes.