ARTIFACT_PATH

The path of the artifact JSON file of the VendingMachine smart contract

CONTRACT_ADDRESS

The address of the VendingMachine smart contract

PROVIDER_URL

CHAIN_ID

CLIQUE_PERIOD

The period of the Clique consensus algorithm

CLIQUE_EPOCH

The epoch of the Clique consensus algorithm

NODE_BALANCE

NODE_DATA_DIR

It is the directory where the node's data is stored

NODE_LISTEN_PORT

It is the port number the node uses for peer-to-peer communication

NODE_DISCOVERY_PORT

It is the port number the node uses for discovery protocol communication

MINER_ETHERBASE

It is the account address that mining rewards will be sent

BOOTNODE

It is the enode URL of the bootnode that this node will connect to during network initialization

SYNC_MODE

To specify the synchronization mode for the node

DATA_DIR

NODE_ADDRESS

MINER_THREADS

It is the number of CPU threads to use for mining

The external IP address of the node (in the form extip:<IP_ADDRESS>)

Gain insights into blockchain technology foundations, learn about cryptography, explore Ethereum, develop smart contracts, and discover how to set up and run a private blockchain from scratch.

Building a Blockchain and Cryptocurrency from Scratch.jpg

exportDocker.tar.gz

ExtendVendingMachine

Compile

Deploy

Execute

StartNode

If you’re a beginner looking to get started in the world of blockchain technology, this course will provide you with the knowledge and skills you need to set up and run a private blockchain.

You’ll learn the foundations of blockchain technology, from cryptography to digital signatures. Then, you’ll cover more advanced topics such as consensus algorithms, decentralized applications, and cryptocurrency. You’ll delve into the Ethereum blockchain, learning to develop smart contracts and configure and start a blockchain node. You’ll finish with the creation of a private blockchain.

By the end of the course, you'll have a solid understanding of the technology and a great familiarity with the technical and practical aspects of a blockchain. As blockchain technology continues to gain popularity, the demand for skilled people in this field is expected to grow, making it an exciting and promising career path.

Building a Blockchain from Scratch Using Solidity and Ethereum

Test your knowledge of the Geth Ethereum Client.

Introduction

Cryptography

Blockchain Fundamentals

Cryptography and Blockchain Exam

Ethereum Basics

Ethereum Exam

Blockchain Development

Develop a Voting System Smart Contract

Build Your Blockchain

Conclusion

Quiz: Build Your Blockchain

Geth knowledge check