Learning Blockchain by coding a very simple example in Java смотреть онлайн

This video will provide you an approach from writing a very program to understand the Blockchain. In this tutorial, I will use Netbeans IDE, there are steps in this guide:
1. Create noobchain project
2. Making the Block class of the Blockchain (A blockchain is just a chain/list of blocks..)
3. Create class StringUtil and the function to generate a digital signature by using SHA256 algorithm
4. Add function isChainValid to check the integrity of the blockchain
5. Write the function to print the blockchain as Json by using Google Json
5. Write the function mineBlock() for mining blocks (proof of work)
6. Run the project and look the result of blockchain and mining block progress

In this video, I follow the guideline from the website medium.com:
https://medium.com/programmers-blockchain/create-simple-blockchain-java-tutorial-from-scratch-6eeed3cb03fa

- You can download the source code here:
https://github.com/taminhtu/noobchain-Hello-World-Blockchain-by-Java-

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