Welcome to r/ethereum – the Reddit frontpage of the Web 3.0; seriously: Read this to get started! :)


## Welcome!

With the magical influx of new readers, I would like to welcome everyone to r/ethereum warmly. Please protect this community’s philosophy by respecting our rules (see sidebar or scroll down). Let me quote the most important ones here for reference:

– Keep price discussion and market talk to subreddits such as /r/ethtrader.
– Keep mining discussion to subreddits such as /r/ethermining.
– Keep ordinary ICO advertisements to subreddits such as r/ethinvestor.

Feel free to use this thread to say ‘Hi, I’m new!’ or ‘Hi, I’m _not_!’. If you have a question, feel free to comment and ask it below. But first **make sure you are fully synchronized** and **have a look at FAQ** on [Ethereum Stack Exchange](https://ethereum.meta.stackexchange.com/q/431). Do you have any question that feels dumb? Try r/ethereumnoobies 😀

Don’t forget to check out /r/ethdev for the Ethereum developer community and post your diamond-shaped cat findings on r/ethsightings (don’t forget to subscribe!). Thanks for flying with r/ethereum! 🙂

## Getting Started

### What is Ethereum?

Ethereum is a cutting-edge blockchain-based distributed computing platform, featuring smart contract functionality. It provides a decentralized virtual machine, the Ethereum Virtual Machine (EVM), that can execute peer-to-peer contracts using a crypto-fuel called _Ether_.

– General [White Paper](https://github.com/ethereum/wiki/wiki/White-Paper), Technical [Yellow Paper](https://ethereum.github.io/yellowpaper/paper.pdf) (pdf)
– [Ethereum the world computer](https://www.youtube.com/watch?v=j23HnORQXvs) (video)
– [Gavin Wood’s Ethereum vision at Devcon 0](https://www.youtube.com/watch?v=_BvvUlKDqp0) (video)
– [Vitalik Buterin’s Ethereum introduction at Devcon 1](https://www.youtube.com/watch?v=gjwr-7PgpN8) (video)
– [Joseph Lubin’s interview on building decentralized applications](https://www.youtube.com/watch?v=MgLmY9oedTM) (video)
– [BBC explains Ethereum](https://www.youtube.com/watch?v=0X33lgMbvdI) (video)
– [Techcrunch on Ethereum](https://www.youtube.com/watch?v=WfULutvxvzY) (video)
– [ELI5 attempts](https://www.reddit.com/r/ethereum/comments/60hhjm/eli5_what_is_ethereum/), [this one is pretty good](https://np.reddit.com/r/ethtrader/comments/6gkd6v/welcome_to_rethtrader_new_people_let_me_save_you/dir6ah6/) 🙂
– Ethereum: [A Visual Explanation](http://veenspace.com/ethereum).

### Where do I start?

You want to start by getting yourself set up with a wallet. You have some choices:

– [Download the Mist Wallet](https://github.com/ethereum/mist/releases/latest) powered by a [Geth node](https://github.com/ethereum/go-ethereum/)
– [Download the Parity Wallet](https://github.com/paritytech/parity/releases/latest) powered by a [Parity node](https://parity.io)
– [Download the Harmony Wallet](https://github.com/ether-camp/ethereum-harmony/releases/latest) powered by an [EthereumJ node](https://github.com/ethereum/ethereumj/)
– [Install the MetaMask Chrome extension](https://metamask.io/)
– [Use the client-side MyCrypto account manager](https://mycrypto.com/)
– [**Secure your keys** with Ledger Nano S](https://theethereum.wiki/w/index.php/Ledger_Nano_S) or [Trezor hardware wallets](https://blog.trezor.io/trezor-integration-with-myetherwallet-3e217a652e08)

### What next?

Get Ether, write smart contracts, build DApps, and dive into Ethereum:

– [Read a **beginner’s guide** to Ethereum](https://blog.coinbase.com/a-beginners-guide-to-ethereum-46dd486ceecf) (by Coinbase)
– [Get the current week’s news in Ethereum](http://www.weekinethereum.com/) or [the DApp Daily](https://dappdaily.com/)
– [Find out **how to buy Ether**](https://ethereum.stackexchange.com/q/1915) or [compute your GPU’s mining profitability](https://badmofo.github.io/ethereum-mining-calculator/)
– [Build your own crypto-currency with Ethereum](https://www.ethereum.org/token)
– [Raise funds from friends without a third party](https://www.ethereum.org/crowdsale)
– [Build a democracy on the blockchain](https://www.ethereum.org/dao)
– [Build **your first DApp** in ten steps](https://paritytech.github.io/wiki/Dapp-Tutorial)
– [Monitor the network status](https://ethstats.net/) ([mirror](http://stats.parity.io/)) and [the gas price market](http://ethgasstation.info/)
– [Read the documentation](http://ethdocs.org/en/latest/) (for Homestead)
– [Check out some **DApps**, that run on Ethereum](http://dapps.ethercasts.com/)
– [Learn **Solidity**, an Ethereum smart contract language](https://solidity.readthedocs.io/)
– [Browse the Ethereum Ecosystem Business Directory](http://ethereumall.com/)
– [Ask questions at **Ethereum Stack Exchange**](http://ethereum.stackexchange.com/)
– [Live chat with Ethereum developer teams on Gitter](https://gitter.im/orgs/ethereum/rooms)
– [Join the Ethereum community chat on Discord](https://discord.gg/srKTm5S)
– [Check out Ethereum **Meetups** in your area](https://www.meetup.com/topics/ethereum/)

### I want more in-depth details!

The annual Ethereum Developer Conference (Devcon):

– [Devcon 0 (Berlin, 2014) talks and videos](https://www.youtube.com/watch?v=_BvvUlKDqp0&list=PLJqWcTqh_zKEjpSej3ddtDOKPRGl_7MhS)
– [Devcon 1 (London, 2015) talks and videos](https://www.youtube.com/watch?v=BUARih8_f68&list=PLJqWcTqh_zKHQUFX4IaVjWjfT2tbS4NVk)
– [Devcon 2 (Shanghai, 2016) talks and videos](https://www.youtube.com/watch?v=1wayaZ1-iBE&list=PLaM7G4Llrb7xqzgOwbvNv63_KM7VH84Rd)
– [Devcon 3 (Cancún, 2017) talks and videos](https://www.youtube.com/channel/UCNOfzGXD_C9YMYmnefmPH0g/search?query=devcon+3)
– **Devcon 4 (2018)** _to be announced_

Other conferences, workshops, meetups, or tutorials:

– [Community Ethereum Development Conference](https://www.youtube.com/channel/UC5NL-IbFyN72qme66EqX5-A/videos) ([**EDCON**](https://edcon.io/))
– Ethereum Community Conference ([**EthCC**](https://ethcc.io/))
– [London Ethereum](https://www.youtube.com/watch?v=Uya2rd5pN0o&list=PLaM7G4Llrb7xTHkSwbDfDP9MeZ_6WKI6Z) (meetup)
– [Berlin Ethereum](https://www.youtube.com/watch?v=KWeNSvori4I&list=PLaM7G4Llrb7wPiT2G75tj2JQr8qg6P5hi) (meetup)
– [Ethereum Core Developer Meetings](https://www.youtube.com/watch?v=ex51Gb3SVqo&list=PLaM7G4Llrb7zfMXCZVEXEABT8OSnd4-7w) (call)
– [Building Ethereum DApps using Solidity](https://www.youtube.com/watch?v=9_coM_g7Dbg&list=PLH4m2oS2ratdoHFEkGvwvd7TkeTv4sa7Z) (tutorial)

List of protocol updates and hard-forks:

– Olympic pre-release (Testnet, Chain #0 – May 9, 2015)
– [Blog post](https://blog.ethereum.org/2015/05/09/olympic-frontier-pre-release/)
– **Frontier** public release (Ethereum Genesis, Chain #1 – July 30, 2015)
– [Blog post](https://blog.ethereum.org/2015/07/30/ethereum-launches/)
– **Homestead** (Block #1,150,000 – March 14, 2016)
– [Blog post](https://blog.ethereum.org/2016/02/29/homestead-release/), [Meta-EIP-606](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-606.md) [EIP-2](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2.mediawiki), [EIP-7](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-7.md), [EIP-8](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-8.md)
– DAO Fork (Block #1,920,000 – July 20, 2016)
– [Blog post](https://blog.ethereum.org/2016/07/20/hard-fork-completed/), [Meta-EIP-779](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-779.md), opposition at r/EthereumClassic
– Tangerine Whistle (Block #2,463,000 – October 18, 2016)
– [Blog post](https://blog.ethereum.org/2016/10/18/faq-upcoming-ethereum-hard-fork/), [Meta-EIP-608](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-608.md), [EIP-150](https://github.com/ethereum/EIPs/issues/150), [EIP-158](https://github.com/ethereum/EIPs/issues/158)
– Spurious Dragon (Block #2,675,000 – November 22, 2016)
– [Blog post](https://blog.ethereum.org/2016/11/18/hard-fork-no-4-spurious-dragon/), [Meta-EIP-607](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-607.md), [EIP-155](https://github.com/ethereum/EIPs/issues/155), [EIP-160](https://github.com/ethereum/EIPs/issues/160), [EIP-161](https://github.com/ethereum/EIPs/issues/161), [EIP-170](https://github.com/ethereum/EIPs/issues/170)
– **Byzantium** (Block #4,370,000 – October 16, 2017, Metropolis part #1)
– [Meta-EIP-609](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-609.md), [EIP-100](https://github.com/ethereum/EIPs/issues/100), [EIP-140](https://github.com/ethereum/EIPs/pull/206), [EIP-196](https://github.com/ethereum/EIPs/pull/213), [EIP-197](https://github.com/ethereum/EIPs/pull/212), [EIP-198](https://github.com/ethereum/EIPs/pull/198), [EIP-211](https://github.com/ethereum/EIPs/pull/211), [EIP-214](https://github.com/ethereum/EIPs/pull/214), [EIP-649](https://github.com/ethereum/EIPs/pull/669), [EIP-658](https://github.com/ethereum/EIPs/pull/658)
– **Constantinople** will be scheduled end of 2018 (Metropolis part #2).
– **Serenity** will be scheduled for 2019 (the proof-of-stake fork)
– [Why does Ethereum plan to move to Proof of Stake](http://ethereum.stackexchange.com/questions/9)?

List of bridged networks or sidechains:
– POA Network, Proof-of-Authority [open Ethereum **sidechain**](https://poa.network/) (Bridged, Parity only)
– Another PoS/PoA hybrid network is currently being prepared …

List of public testnets:

– Olympic, pre-release public test network with ID #0 (replaced by Morden)
– Morden, Frontier-based public test network with ID #2 ([replaced by Ropsten](https://blog.ethereum.org/2016/11/20/from-morden-to-ropsten/))
– **Ropsten**, Homestead-based public test network with ID #3 ([recently revived](https://www.reddit.com/r/ethereum/comments/61bawv/ropsten_revived_thanks_to_generous_miners/))
– ConsenSys, Proof-of-Work [public test network](https://github.com/ConsenSys/ConsenSys.github.io/wiki/ConsenSys-public-testnet)
– Kovan, Proof-of-Authority [public test network](https://github.com/kovan-testnet/proposal) (Parity only)
– Rinkeby, Proof-of-Authority [public test network](https://www.rinkeby.io/) (Geth only)
– A Casper PoS/PoA hybrid testnet is [currently being prepared](http://34.203.42.208:3000/) …

## Rules

Below are the rules that Reddit users on /r/ethereum must follow to participate. These can be used as reasons to remove posts/comments and ban users.

### Golden Rule

You are expected to treat everyone with a certain level of respect and refrain from inappropriate behavior. Examples of inappropriate behavior include:

– Personal insults
– Threats of violence or attempts to organize attacks
– Slurs of any kind
– Posting people’s private information

If you can’t play nice with others, you will not be allowed to post here.

### Ether Price, Market, and Mining discussions

Discussion related to the price of ether, buying, trading, market speculation, or any other price/market talk should be posted on /r/ethtrader, a third-party Subreddit not moderated by us. Besides, keep mining discussion to Subreddits such as /r/EtherMining and obvious ICO advertisements to r/ethinvestor or similar.

### Duplicate threads

Duplicate threads may be deleted. It is up to the discretion of the mods.

### No spamming or drive by posting

Spamming will lead to post deletion and a possible ban. Posts created by accounts that self-delete immediately will be deleted right away – no _drive by posting_.

### Using multiple accounts

Creating multiple accounts to get around Reddit or Subreddit rules is not allowed and will likely result in a permanent ban.

### Misleading titles

Posts with purposely misleading or unsubstantiated titles will be removed.

### Karma & age requirements for posting submissions

All post submissions should be made from accounts at least ten days old with a minimum of 20 comment karma. This is to keep trolls and spam-bots to a minimum. Exceptions may be made on a discretionary basis; please do not message the mods for more information.

## Moderation philosophy

/r/ethereum is a place for the open discussion about the Ethereum software, protocol, distributed applications, and related technologies. As moderators, we are here to make sure the conversation stays civil and productive. We will not censor posts based on personal ideology and welcome constructive discourse.

### What we ask our users

– Please utilize the up-vote and down-vote buttons. This is a built-in moderation tool that is very powerful.
– If you submit a report about a post or comment, please provide as much detail as possible to help us more quickly sort through our reported posts/comments.
– Please don’t report posts or comments you disagree with, only about things that break the rules.
– We welcome discussions about other crypto-currencies and Ethereum implementations, but if the topic is already being extensively covered by other threads, we kindly ask you to consider posting it to a more specific Subreddit. You can check an extensive (but not comprehensive) list of Ethereum-related Subreddits on the [“All Ethereum” Multireddit](https://www.reddit.com/user/all_ethereum/m/all_ethereum).

### Moderation logs

The moderation logs are [public and available for review here](http://snew.github.io/r/ethereum/about/log).

## FAQ

– [How would I **explain Ethereum** to a non-technical friend?](https://ethereum.stackexchange.com/q/45)
– [What are the Ethereum **disk space needs**?](https://ethereum.stackexchange.com/q/143)
– [What is **”gas”** and **transaction fee** in Ethereum?](https://ethereum.stackexchange.com/q/3)
– [What is the **total supply** of Ether?](https://ethereum.stackexchange.com/q/443)
– [Help with **very slow Mist sync**!](https://ethereum.stackexchange.com/q/603)
– [How to **backup** mist wallets?](https://ethereum.stackexchange.com/q/946)
– [How do I **backup** my ether accounts?](https://ethereum.stackexchange.com/q/108)
– [What is the recommended way to **safely store Ether**?](https://ethereum.stackexchange.com/q/1239)
– [How to **reduce the chances** of your Ethereum wallet **getting hacked**?](https://ethereum.stackexchange.com/q/3887)
– [How do I **buy Ethereum** with USD?](https://ethereum.stackexchange.com/q/1915)
– [How can I get a Geth node to **download the blockchain quickly**?](https://ethereum.stackexchange.com/q/392)
– [**How to mine** Ether on GNU + Linux?](https://ethereum.stackexchange.com/q/111)
– [**Ropsten** testnet is under kind of attack? What can we do?](https://ethereum.stackexchange.com/q/12477)
– [Is **CPU mining** even worth the Ether?](https://ethereum.stackexchange.com/q/2325)
– [What’s the **best Hardware** for Mining Ether?](https://ethereum.stackexchange.com/q/2719)
– [Why is my node **synchronization stuck**/extremely slow at block 2,306,843?](https://ethereum.stackexchange.com/q/9883)
– [Is there a limit for **transaction size**?](https://ethereum.stackexchange.com/q/1106)
– [How to **Mine Ether** and use Ethereum on Windows?](https://ethereum.stackexchange.com/q/110)
– [**How many transactions** can the network handle?](https://ethereum.stackexchange.com/q/1034)



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