Ethereum Tutorials - Herong's Tutorial Examples

∟Private Network with Custom Genesis Block

This chapter introduces Ethereum private network with custom genesis block.

Build Genesis Block Manually

Run "miner" with Lower Difficulty

Check Mining Rewards on My Account

Pre-Allocate Ether in Genesis Block

Build Ethereum Private Network Properly

Blockchain Difficulty Level and Growth Rate

"Head State Missing" Error on Restarting "geth"

Download and Install "geth" 1.8.2

Run and Restart with "geth" 1.8.2

Takeaways:

• You can customize the genesis block when starting a new private Ethereum network.
• You can build a custom genesis block using a genesis block file in JSON format.
• You can set the difficult level to a lower value in the genesis block.
• You can pre-allocate Ether money to an Ether account in the genesis block.
• "difficulty = 10000000" seems to be reasonable for the "geth" miner on a home computer, which generates 1 new block every 2 or 3 minutes.
• "geth" 1.8.1 has a bug that cause data issue when closing the node. When restarting the node, all blocks will be removed except the genesis block.

Table of Contents

 About This Book

 Introduction of Ethereum

 Ethereum Blockchain

 Ethereum Mist Wallet

 geth - Go Ethereum

 Deprecated: Testnet - Ropsten Network

 Private Ethereum Network

 64-Bit "geth" for Private Ethereum Network

►Private Network with Custom Genesis Block

 Transferring Funds between Ether Accounts

 MetaMask - Browser Based Ethereum Wallet

 Using MetaMask Wallet

 Getting Free Ether on Test Networks

 Managing Ethereum Account

 Mining Ether with Your Computer

 Archived Tutorials

 References

 Full Version in PDF/EPUB

Private Network with Custom Genesis Block - Updated in 2024, by Herong Yang