加密和哈希概述

Cryptography and Hashing Overview

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加州大学尔湾分校
Coursera
  • 完成时间大约为 8 个小时
  • 初级
  • 英语
注:本课程由Coursera和Linkshare共同提供,因开课平台的各种因素变化,以上开课日期仅供参考

课程概况

Continue learning about blockchain technology by diving into the nature of ownership and how the blockchain is one way to approach decentralized transaction handling. This course also demystifies cryptography and hashing, which are critical for authenticating users and guaranteeing transaction privacy.

课程大纲

The Nature of Ownership

This week we will examine and study the ways that the blockchain keeps track of ownership transactions through the use of electronic ledgers. After an item changes hands many times, one can literally see each handoff by looking at the continuously growing string of data blocks in the blockchain.

Organizational Usage of Blockchain Technology

In this second week we will explore and discuss the vast array of benefits that a blockchain technology system can bring to different industries and business markets. We will also consider together how Blockchain technology is an ideal system to manage educational achievement and merit.

Cryptography and Hashing

The key to the blockchain’s success is the use of hash values and encryption. These are the same technologies that allow you to log into your favorite website without revealing your password and the same technologies that allow you to send a private, encrypted text message. By the end of the week you will apply a hashing algorithm to a character string and see the results.

Applying Hashes

As you will see in this final week, it is sometimes important to step back from a purely functional discussion of what the blockchain can do to what it means when it does it. You will apply cryptography and hashing to a simple scenario in order to determine the authenticity of a simulated email message.

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