Herong's Tutorial Examples: Ethereum

Free Chinese Calendar 2025 - Year of the Snake
Want to know when is the 2025 Chinese New Year day? Look for free Chinese calendars for 2025? Chinese New Year Date for Year 2025 The Snake 2025 January 29 Wednesday Chinese New Year ⇒ Free Chinese Calendar 2026 - Year of the Horse ⇐ Free Chinese Calendar 2024 - Year of the Dragon ⇑ Chinese New Y... 2025-01-12, ≈151🔥, 3💬

💬 2025-01-12 Al Sun: The yearly calendar is very clear and useful. Thank you. Would you have monthly calendars also, in simplified or traditional chi...

💬 2025-01-03 Herong: Hi Don, thanks for the suggestion. I will try to create a monthly calendar. Happy new year to everyone!

💬 2025-01-01 Don Tai: Thank you for sharing your time with the world. Your calendar is very nice. Maybe you could do a version with a single month on ...

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Deprecated: Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io. 2024-04-24, ≈89🔥, 585💬

💬 2024-04-07 Usman Ali: Please help

💬 2024-03-12 sum: 0x6C65998EFc3B07be2dDFAbf1c54d35DCA3 aeFF56

💬 2024-03-04 p: yes

💬 2024-03-02 Antonia: Hello, I do not see Ropsten in my Metamask. What to do?

(More comments ...)

Add Ethereum Test Network in MetaMask
This section provides a tutorial example on how to add a MetaMask test account on test networks in order to receive free Ether money for testing. 2023-11-17, ≈36🔥, 38💬

💬 2023-11-17 Mezieuzor: 0x3c2559Fd046FedCcA03252EFc442972B43 BaA5A3

💬 2022-10-05 My Test Account: Good websites keep it up

💬 2022-10-05 Jeffrey: Good website I love it

💬 2022-09-30 account1: 0xc62506bE4Bef79b35D1f5EdcF8F0767B71 79C845

💬 2022-09-16 Kelvin: 0xAd1dea4AA9dE1a1A08F56Af650cc544eff 3F0a06

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Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account. 2025-02-21, ≈29🔥, 99💬

💬 2025-02-21 Abdulla: Друзья спрашивать не нужно стесняться тоже в любое время скидывайте сколько ...

💬 2025-01-16 Killa: Помогите кому не жалко,въехал на долг в 4.5к баксов по глупой ошибке 0x34b8766e1cd1d3a44d3217d55...

💬 2024-10-11 Dennis A.: Если не жалко положить, что то: 0xc6DCB12A516B6f4C23A90E5B5853E3a656 b58eD3

💬 2024-04-01 abc: hello

💬 2024-03-30 Ana: 0x0297d4c7F870987A9664064F6bd37eCB07 697D0CPlease help so that my life is not destroyed

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View Account QR Code in MetaMask
This section describes how to view account QR code in MetaMask. 2023-09-26, ≈25🔥, 2💬

💬 2021-12-29 Davco: @ Get Free Ether From faucet.ropsten.be 0x71B149051e29658bccD85297D0CCBDe144 635DEf

Deprecated: Get Free Ether from faucet.ropsten.be
This section describes how to get some free Ether from faucet.ropsten.be. 2024-02-07, ≈10🔥, 100💬

💬 2024-02-07 Ppdudek: 0x05162BEDEeEF9cd2727d8857d7c463847E 65782e

💬 2023-11-29 Ivan: 0x0c06280C0c39EFC750275433C3AA9ce0e8 EA3588

💬 2023-11-20 DR DENNIS: Message me for powerful obsession Black magik LOVE spell and falling in love with me spell that really working perfect with vood...

💬 2023-10-23 rahul: thanku

💬 2023-09-25 Nvard: 0xC0669381d85031c58dC2C08e2B7Ccd48E0 30304Dtnx in advance

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Connect MetaMask to Local "geth" Node
This section describes how to connect MetaMask to the 'geth' on the local host. 2019-10-05, ∼8218🔥, 2💬

💬 2019-10-05 Herong: I am in the process of rebuild my local Ethereum node. Can anyone provide help to kbhar?

💬 2019-09-30 kbhar: I am not able to connect to metamask after selecting the localhost 8545 network. I am getting "something went wrong" error. Can ...

"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, ∼6385🔥, 2💬

💬 2020-01-28 Herong: Sword, a “light” node only stores block headers. So it can not perform any transactions without the help from a “full” or “fas...

💬 2020-01-23 sword_smith: Can you tell us what a 'fast' node can do that a 'light' node cannot do? Are there any RPC calls that will be slower or disabled...

Ethereum Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial examples on Ethereum and blockchain. Topics include include: What is Ethereum; What is blockchain; Ethereum market value; What is Go Ethereum (Geth); Running a private Ethereum network with Geth; What is Ethereum Mist wallet; What is MetaMask wallet; Ethereum mi... 2023-12-06, ∼5971🔥, 5💬

💬 2022-07-10 Lori: Thanks for such a good book. It helps me a lot!

💬 2022-06-22 vinay: very good and clear

💬 2018-05-11 meizumx4pkwn: tanxs so much Doc..request to share this to myFam n Frenz..

💬 2018-03-11 Ed: Thanks!

"Head State Missing" Error on Restarting "geth"
This section describes the issue with 'Head State Missing' error on restarting 'geth' on a private network. 2020-07-22, ∼3990🔥, 5💬

💬 2020-07-15 Herong: lhq, it might be resolved in newer versions. But I haven't get any chance to verify this.

💬 2020-07-11 lhq: How was it resolved? consult

💬 2020-07-11 lhq: 最后怎么解决的？请教

💬 2019-03-23 Herong: Zach, Thanks for your explanation. I will setup a two-peer network to try it later.

💬 2019-03-14 Zach S: From my project understanding: From interrupted exit. The node can't sync and must restart a full boot up from block 1. If you c...

"geth" Commands for Ethereum Accounts
This section describes 'geth' commands to manage Ethereum accounts. 2023-09-08, ∼2369🔥, 2💬

💬 2023-09-08 Richard Radigan: I want to test let me in

Deprecated: What Is Ethereum Testnet: Ropsten Network
This section describes what is Ethereum Testnet: Ropsten Network. 2022-09-14, ∼2349🔥, 6💬

💬 2022-09-09 Herong: Mango, do you have the exchange wallet address? We can find and review the transaction if you provide address.

💬 2022-09-08 Mango: I transferred 8.26 etherum to an exchange through rospten testnet but till now the transfer is successful but I have not receive...

💬 2022-07-08 Herong: Jay, there is no way to convert.

💬 2022-07-08 Jay: Can I convert Ropsten Eth to Bitcoin on my wallet

💬 2022-05-26 Rhino: I have been contacted by a person claiming to be able to "wave" test eth to other walkets,. that "wave" it to other wallets........

(More comments ...)

Ethereum Account Keystore File
This section describes the keystore file that contains the private key of an Ethereum account. 2024-03-23, ∼1770🔥, 2💬

💬 2024-03-23 bug!: Hello there. If you're know the approximate combinations of words, phrases, or even letters and symbols from your forgotten pass...

💬 2023-01-17 Agba: How can I decrypt one??

Deprecated: Get Free Ether from faucet.dimensions.network
This section provides a tutorial example on how to get some free Ether money from faucet.dimensions.network. 2024-01-03, ∼1569🔥, 5💬

💬 2024-01-03 HAMID: THANKS FOR GOOD SITE

💬 2024-01-03 HamidHabibzadeh: Thanks for good site.

💬 2023-05-02 micky: please sites not opening help me with eth 0x8519a91Abe468d9dA7777bedcB0529b544 e575e5

💬 2022-04-21 Jake Thompson: Hello my names Jake or Dj Kutta , Thank you for the test eth! this is helpful in learning about wallets and the network. Thank y...

Deprecated: Testnet - Ropsten Network
This chapter introduces Ethereum testnet: Ropsten network. 2023-02-24, ∼1499🔥, 3💬

💬 2023-02-24 Ace: 0xb11252EB359B676d2e530E8728f57E39A3 Aa0Dc6

💬 2022-06-06 myth: 0x339d58bff8b8C5dAAfaF08fA77ad39C790 9B194E

💬 2021-08-28 Cit: Hi

Deprecated: ropsten.etherscan.io - Block Explorer
This section describes what is ropsten.etherscan.io. 2021-09-06, ∼1480🔥, 1💬

💬 2021-09-06 albert: thanksal

"geth attach" - Geth Client Console
This section describes 'geth attach' command to attach as a client JavaScript console to a running Ethereum node. 2022-10-01, ∼1463🔥, 0💬

Send Ether from One Account to Another
This section describes how to send Ether from one account to another. 2022-01-07, ∼1434🔥, 1💬

💬 2022-01-07 John: Hi

Download and Read MetaMask State Logs
This section describes what is the MetaMask stat logs and how to download and read it. 2022-10-01, ∼1420🔥, 0💬

Full Version in PDF/EPUB
Information on how to obtain the PDF version of this book for printing. 2022-06-12, ∼1221🔥, 2💬

💬 2019-03-14 Edmond: Thanks

Stop "geth" Ethereum Node
This section describes how to stop 'geth' Ethereum. 2022-10-01, ∼1181🔥, 0💬

Import Private Key to "geth" Account
This section describes how to import a private key from MetaMask wallet to a 'geth' account. 2022-10-01, ∼1178🔥, 0💬

Start "geth" Miner
This section describes how to start the 'geth' miner on a private Ethereum Blockchain. 2022-10-01, ∼1066🔥, 0💬

MetaMask - Browser Based Ethereum Wallet
This chapter describes MetaMask - a browser based Ethereum light wallet. 2022-10-01, ∼950🔥, 0💬

Download and Install "geth" 1.8.2
This section describes how to download and install 'geth' 1.8.2. 2022-10-01, ∼869🔥, 0💬

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