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Answers to questions about Ethereum


What is Ethereum?

There are several ways to answer this question, such as here, as well as the dedicated What is Ethereum wiki page, which was made at the time of the Frontier release, so it is outdated.

If you prefer to learn by watching videos, see:

How do I buy Ether or ETH?

Read this.

Where can I learn more about Ethereum?

Where can I find the main project repositories?

Where can I learn about the Ether sale and mining?


If you have an issue with your wallet, an exchange or other matters relating to using the Ether cryptocurrency or making transactions, see this MyEtherWallet knowledge base. It answers many FAQs such as:


Where can I find official releases?



How to install development builds?

How to install the clients from source?


How can I mine Ether?

With eth/AlethZero

  • To process transactions
    • Disable "Debug" > "Force Mining"
    • Click "Mine"
  • To force mine (Use sparingly, unless stress testing)
    • Enable "Debug" > "Force Mining"
    • Click "Mine"

With the eth client

# Only force mine to acquire ether or stress test
$ eth --force-mining --mining on [YOUR OPTIONS...]


Where can I learn about contract development?

Where can I learn Serpent, the Python-like language?

Where can I learn LLL, the Lisp-like language?

Where can I learn Solidity, the JavaScript-like language?

How to test contracts?

Where to find example contracts?


Where can I learn about the Ethereum APIs?

Where can I learn about ÐApp development?

Where can I find ÐApp development tools?

Where can I find example ÐApps?


How can I join the Ethereum IRC channels?

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