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Get Free Ether from
This section describes how to get some free Ether form
2022-01-29, 38177👍, 213💬

💬 2022-01-29 KAVYA: 0xcbEaa31D09EB158ee710d8A2e46a363A28 Bb014a

💬 2022-01-28 Yaniv: 0x5CEb2C3B300a966b67e50b3Abf2B44B984 01F2b3

💬 2022-01-28 antonini: 0xDed5B47e0F8a4217fF2595010681911Ad0 1fAC7b

💬 2022-01-27 Dmitry: 0xbEe5387781279d4bD073D1f0A785E832Cf 733524

💬 2022-01-27 Ganny: I need some eth 0x8aE5ACFD9F073e5bDEDfb79Aa9E5204063 4890b7

(More comments ...)

Get Free Ether from
This section describes how to get some free Ether from
2022-01-25, 3557👍, 28💬

💬 2022-01-25 Max: 0x4d6581dE62f9eA3553C59110B70cAf4220 64c018

💬 2022-01-24 plssend me eth ropsten: 0xfE84E548d4aD0040634Cdf2cCEfD89D6FD 05d6FF

💬 2022-01-24 Eugene: Can anyone send rETH for me too, please? I have EOA address and my test contract address: 1) 0xFe5175CbB2aFBf2e4edfeaB795DF9B7D2. ..

💬 2022-01-23 KAVYA: Please send me Eth Ropsten

💬 2022-01-23 plssend me eth ropsten: 0xfE84E548d4aD0040634Cdf2cCEfD89D6FD 05d6FF

(More comments ...)

Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account.
2022-01-09, 10254👍, 19💬

💬 2022-01-09 bkr: Thanks

💬 2022-01-02 sina: 0x400668a34A85aac222608004130fb26E8e 853eBD

💬 2021-12-26 stones: Stolen Bitcoins Recovered My Cash App was hacked and all my Cash and Bitcoins was stolen , but after I reported to Mrs Debra Sab...

💬 2021-12-11 Aashu: 0x400668a34A85aac222608004130fb26E8e 853eBD

💬 2021-12-03 asd: 0x5709faB0715f1BcBd6Ac007d2c574982ba CFb71D

(More comments ...) - Mining Ether with Browser
This chapter describes - mining ether with browser.
2021-12-23, 210👍, 2💬

💬 2021-12-23 Herong: Niels, is a pure Ether faucet now.

💬 2021-12-17 Niels: No mining service provided... - Block Explorer
This section describes what is
2021-09-06, 378👍, 1💬

💬 2021-09-06 albert: thanksal

Testnet - Ropsten network
This chapter introduces Ethereum testnet: Ropsten network.
2021-08-28, 288👍, 1💬

💬 2021-08-28 Cit: Hi

Managing Ethereum Account
This chapter describes Ethereum accounts - How to create and manage them.
2021-08-03, 222👍, 1💬

💬 2021-08-03 chris: 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, 1813👍, 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 --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode
2020-01-28, 3775👍, 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...

Connect MetaMask to Local "geth" Node
This section describes how to connect MetaMask to the 'geth' on the local host.
2019-10-05, 3989👍, 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 ...

What Is Ethereum
This section describes what is Ethereum.
2019-06-17, 218👍, 2💬

💬 2019-06-16 Herong: Google translation of Shimon's comment: "I'm developing a Cipher factory that takes the data from Redis".

💬 2019-06-12 Shimon: Sto sviluppando una factory di Cipher che prenda i dati sorgenti da Redis

PDF Printing Version: Ethereum
Information on how to obtain the PDF version of this book for printing.
2019-03-14, 425👍, 1💬

💬 2019-03-14 Edmond: Thanks

Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet.
2019-01-01, 2552👍, 2💬

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

💬 2018-03-11 Ed: Thanks!

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