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Ethereum Summary information
Ticker Coin Name Price, $ Coin Turnover 24H Market Cap, Available supply Total supply
ETH Ethereum 121.659447111 ~20 606 625,69 12 704 063 561,00 104,423,157 (100%) 104,423,157

Project Description

Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference. In the Ethereum protocol and blockchain there is a price for each operation. The general idea is, in order to have things transferred or executed by the network, you have to consume or burn Gas. The cryptocurrency is called Ether and is used to pay for computation time and for transaction fees.

If you want to earn block rewards from the network, you can join the network as a miner. Follow the link for a guide on how to mine Ethereum on a Windows Pc. The much easier but a bit more expensive way is to buy an Ethereum mining contract. 

Ethereum is how the Internet was supposed to work. As long as you have enough funds to pay for your code to be run by the network, your contacts will always be up and running.

It was crowdfunded during August 2014 by fans all around the world. It is developed and maintained by ETHDEV with contributions from great minds across the globe. There is also an Ethereum foundation and there are multiple startups working with the Ethereum blockchain.

Ethereum is currently on the "Homestead" stage and all its related software is still considered Beta until the release of the next stage "Metropolis". 

If you are looking for a GUI interface for your wallet, try the Ethereum Wallet DApp. It's still in beta so be careful when you use it.

Our block explorer data bellow is freely provided by and 

Technical specifications

Sandwich complexity model: the bottom level architecture of Ethereum should be as simple as possible, and the interfaces to Ethereum (including high level programming languages for developers and the user interface for users) should be as easy to understand as possible. Where complexity is inevitable, it should be pushed into the "middle layers" of the protocol, that are not part of the core consensus but are also not seen by end users - high-level-language compilers, argument serialization and deserialization scripts, storage data structure models, the leveldb storage interface and the wire protocol, etc. However, this preference is not absolute.

Freedom: users should not be restricted in what they use the Ethereum protocol for, and we should not attempt to preferentially favor or disfavor certain kinds of Ethereum contracts or transactions based on the nature of their purpose. This is similar to the guiding principle behind the concept of "net neutrality". One example of this principle not being followed is the situation in the Bitcoin transaction protocol where use of the blockchain for "off-label" purposes (eg. data storage, meta-protocols) is discouraged, and in some cases explicit quasi-protocol changes (eg. OP_RETURN restriction to 40 bytes) are made to attempt to attack applications using the blockchain in "unauthorized" ways. In Ethereum, we instead strongly favor the approach of setting up transaction fees in such a way as to be roughly incentive-compatible, such that users that use the blockchain in bloat-producing ways internalize the cost of their activities (ie. Pigovian taxation).

Generalization: protocol features and opcodes in Ethereum should embody maximally low-level concepts, so that they can be combined in arbitrary ways including ways that may not seem useful today but which may become useful later, and so that a bundle of low-level concepts can be made more efficient by stripping out some of its functionality when it is not necessary. An example of this principle being followed is our choice of a LOG opcode as a way of feeding information to (particularly light client) dapps, as opposed to simply logging all transactions and messages as was internally suggested earlier - the concept of "message" is really the agglomeration of multiple concepts, including "function call" and "event interesting to outside watchers", and it is worth separating the two.

Have No Features: as a corollary to generalization, the dev team often refuses to build in even very common high-level use cases as intrinsic parts of the protocol, with the understanding that if people really want to do it they can always create a sub-protocol (eg. ether-backed subcurrency, bitcoin/litecoin/dogecoin sidechain, etc) inside of a contract. An example of this is the lack of a Bitcoin-like "locktime" feature in Ethereum, as such a feature can be simulated via a protocol where users send "signed data packets" and those data packets can be fed into a specialized contract that processes them and performs some corresponding function if the data packet is in some contract-specific sense valid.

Non-risk-aversion: the dev team is okay with higher degrees of risk if a risk-increasing change provides very substantial benefits (eg. generalized state transitions, 50x faster block times, consensus efficiency, etc)

Project Features

Ethereum is a platform that is intended to allow people to easily write decentralized applications (Đapps) using blockchain technology. A decentralized application is an application which serves some specific purpose to its users, but which has the important property that the application itself does not depend on any specific party existing. Rather than serving as a front-end for selling or providing a specific party's services, a Đapp is a tool for people and organizations on different sides of an interaction use to come together without any centralized intermediary.

Contracts generally serve four purposes:

- Maintain a data store representing something which is useful to either other contracts or to the outside world; one example of this is a contract that simulates a currency, and another is a contract that records membership in a particular organization.

- Serve as a sort of externally owned account with a more complicated access policy; this is called a "forwarding contract" and typically involves simply resending incoming messages to some desired destination only if certain conditions are met; for example, one can have a forwarding contract that waits until two out of a given three private keys have confirmed a particular message before resending it (ie. multisig). More complex forwarding contracts have different conditions based on the nature of the message sent; the simplest use case for this functionality is a withdrawal limit that is overrideable via some more complicated access procedure.

- Manage an ongoing contract or relationship between multiple users. Examples of this include a financial contract, an escrow with some particular set of mediators, or some kind of insurance. One can also have an open contract that one party leaves open for any other party to engage with at any time; one example of this is a contract that automatically pays a bounty to whoever submits a valid solution to some mathematical problem, or proves that it is providing some computational resource.

- Provide functions to other contracts; essentially serving as a software library.

Contracts interact with each other through an activity that is alternately called either "calling" or "sending messages". A "message" is an object containing some quantity of ether (a special internal currency used in Ethereum with the primary purpose of paying transaction fees), a byte-array of data of any size, the addresses of a sender and a recipient. When a contract receives a message it has the option of returning some data, which the original sender of the message can then immediately use. In this way, sending a message is exactly like calling a function.

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Ethereum Latest Updates
May 11, 2018

Devcon4 Announcement

Přátelé, Now that we’re well into the year, we know that many of you have started to plan ahead for changing weather, holiday celebrations, and (of course) Devcon! We’re excited to announce today that Devcon4 will take place in Prague from 30 October – 02 November of this year. The...

From: Hudson Jameson

May 02, 2018

Announcing May 2018 Cohort of EF Grants

Thank you all for applying, and we’re excited to announce the latest Ethereum Foundation grants! We funded 22 recipients for a total of $2.84M. Apply here for the next round! ???? Background The Ethereum project seeks to support useful dapps and smart contracts on the Ethereum blockchain, and...

From: Ethereum Team

April 01, 2018

Announcing World Trade Francs: The Official Ethereum Stablecoin

We have long recognized that in order for cryptocurrency to reach mass adoption, a form of cryptocurrency that has higher price stability than existing cryptocurrencies like BTC and ETH would be needed so that people can use the currency to store funds and engage in commerce without worrying...

From: Vitalik Buterin

March 07, 2018

Announcing Beneficiaries of the Ethereum Foundation Grants

We’re excited to share the results of the first wave of grants from the Ethereum Foundation. As a reminder, the Ethereum project seeks to support useful dapps and smart contracts on the Ethereum blockchain, and the goal of the Ethereum Foundation is to empower developers with best-in-class...

From: Ethereum Team

February 14, 2018

Geth 1.8 – Iceberg¹

After waaay too much time under development, we’re proud to finally announce version 1.8.0 of the Go Ethereum client: Iceberg! The release fixes a lot of pain points felt by the community and ships a few notable new features, tallying up to ~170 modifications! Please note, this release...

From: Péter Szilágyi

January 31, 2018

Farewell and Welcome

It is with sadness that we announce the departure of Ming Chan, who has served as Executive Director at the Ethereum Foundation for nearly three years. Since her arrival in 2015, she has played a critical role in the development and success of the Foundation. We will miss the leadership,...

From: Ethereum Team

To Infinity and Beyond!

Dear Ethereum community (and wonderful Etherheads!), Today, January 31, 2018, is my last day as Executive Director of the Ethereum Foundation. I’m pleased to have been able to guide the Foundation as ED with my fellow directors, team leads, and outstanding group of team members, each of whom...

From: Ming Chan

January 02, 2018

Ethereum scalability research and development subsidy programs

The Ethereum community, key developers and researchers and others have always recognized scalability as perhaps the single most important key technical challenge that needs to be solved in order for blockchain applications to reach mass adoption. Blockchain scalability is difficult primarily...

From: Vitalik Buterin

Q4 Roundup

Ethereum has grown very rapidly in the last few months. Transaction volume on the blockchain has more than doubled, surpassing 10 transactions per second for days at a time. The number of new accounts created per day passed 100,000, and the number of nodes has increased despite rising system...

From: Ethereum Team

December 15, 2017

Security alert — Chromium vulnerability affecting Mist Browser Beta

Due to a Chromium vulnerability affecting all released versions of the Mist Browser Beta v0.9.3 and below, we are issuing this alert warning users not to browse untrusted websites with Mist Browser Beta at this time. Users of “Ethereum Wallet” desktop app are not affected. Affected...

From: Everton Fraga

November 25, 2017

Devcon3 videos available now!

To accommodate the biggest post-devcon request, we’re happy to announce that Devcon3 videos are now available for viewing! As promised, we recorded sessions from both the main hall and breakout hall on all four days of Devcon3. Given we had two halls instead of one this year, and also...

From: Ming Chan

November 15, 2017


A note from the ED: A big thanks to our attending dev community, presenters, internal team, sponsors, enthusiasts, volunteers, event team, students and other stakeholders for coming together for another phenomenal Devcon3! First of all, yes, video of all sessions, both from the Main Hall and...

From: Ming Chan

October 12, 2017

Byzantium HF Announcement

The Ethereum network will be undergoing a planned hard fork at block number 4.37mil (4,370,000), which will likely occur between 12:00 UTC and 13:00 UTC on Monday, October 16, 2017. The Ropsten test network underwent a hard fork on September 19th (UTC) at block number 1.7mil (1,700,000). A...

From: Ethereum Team

October 09, 2017

Roundup #6

Metropolis is finally (almost) here! The fork for Byzantium, the first and larger part of Metropolis, succeeded on the testnet over two weeks ago, and the likely date for the fork on the mainnet has been set to block 4.37 million, which is expected to be on Oct 17. New features include opcodes...

From: Ethereum Team

September 14, 2017

Geth 1.7 – Megara

The Go Ethereum team is proud to announce the next release family of Geth, the first incarnation focusing on laying the groundwork for the upcoming Metropolis hard forks (Byzantium and Constantinople), consisting of 125+ code contributions for various parts of the project. Byzantium fork The...

From: Péter Szilágyi

August 23, 2017

Roundup #5

Development has steadily continued over the last month and a half as we approach the launch of Metropolis. Over a series of core dev calls over the last few months, we have specified and finalized the EIPs for Metropolis, and made the appropriate changes to the Yellow Paper. Metropolis has now...

From: Ethereum Team

August 21, 2017

Statement Objecting To EME as a W3C Recommendation

The Foundation believes Encrypted Media Extensions (EME) should not be published as a W3C Recommendation, and we are now making public the formal objection the Ethereum Foundation submitted to the W3C opposing the recommendation of EME. As a member of the W3C, the Ethereum Foundation...

From: James Pitts

July 08, 2017

Roundup Q2

Thanks to all the developers and team leads who contributed to the sections on their projects In the last month and a half, the Ethereum network went through a rapid growth in usage, to the point that it now processes as many transactions per second as Bitcoin. To accommodate the increased load,...

From: Vitalik Buterin

May 24, 2017

Roundup Round III

Over the last month and a half we saw vigorous ongoing research and development on all sides of the Ethereum roadmap, and progress is rapidly starting to translate into real results that can be run and verified inside of an Ethereum client. On Metropolis: Agendas for core dev meetings 15 and 16...

From: Vitalik Buterin

May 03, 2017

Solidity optimizer bug

A bug in the Solidity optimizer was reported through the Ethereum Foundation Bounty program, by Christoph Jentzsch. This bug is patched as of 2017-05-03, with the release of Solidity 0.4.11. Background The bug in question concerned how the optimizer optimizes on constants in the byte code. By...

From: Martin Swende

July 27, 2016 11:29

Formal Verification of Smart Contracts: Dr. Christian Reitwiessner - IC3-Ethereum Crypto Boot Camp


Slides -

Dr. Christian Reitwiessner
IC3-Ethereum Crypto Boot Camp


Writing code correctly is hard!
Key goal: align mental model with machine model
Easy to test desired behaviour, hard to check absence of undesired behaviour
Reason: testing catches only finite amount of cases
This is important for Ethereum.
Like for a web service, attacker can be anywhere
Source code often available (good and bad)
Prominent example: The DAO

June 29, 2016 11:55

Swarm and the Ethereum Name Service - Viktor Trón & Nick Johnson, Ethereum

First of all we are really sorry for the lack of video - we used the slides instead. Both our cameras stopped working at different times during the event and we had to use the slides as background rather than video from the meetup. Luckily the sound recorder was still working and we have sound throughout the presentation. The quality sound quality on the questions in the Q&A is not great either but we'll do our best to improve on it next time.

Viktor Trón is a core developer of the go client working for the Ethereum Foundation, mainly on Swarm. He strongly believes in decentralization supported by crypto 2.0 vision is a conduit for peaceful social change and brings new momentum towards a free voluntary society. A long-time contributor to the open source community he advocates free software, open source, open data and open collaboration models.He is against against copyright and patent laws. Viktor worked on Machine learning, AI, speech, language technology and big data.

Swarm is a server-less hosting and delivery solution that acts a native base layer service of the Ethereum web 3 stack. It allows participants of the Ethereum ecosystem to efficiently pool their storage and bandwidth resources in order to provide a robust distributed storage platform and content distribution service. Users can host dapps, store media, databases, blockchain and state, public archives or private backups. Due to Swarm being a decentralized peer-to-peer network, it is DDOS-resistant, zero-downtime, fault-tolerant and censorship-resistant as well as self-sustaining due to a built-in incentive system.

Swarm is designed to deeply integrate with Ethereum and gives a unique setting to support the web3 vision of the internet where browsing no longer just clicking through links and rendering content but where contractual interactions are the norm.
In this talk, we demonstrate all the features of the web3 experience emerging from this synergy such as name services, versioning and update, contract verification, IP attribution and licensing, insuring availability and auto scaling for popularity.

We’d like to thank the London Ethereum Meetup ( event sponsors and organizers:

Havas Media:

June 15, 2016 15:36

Law & Ethereum Panel Discussion - Ethereum London Meetup

First of all we are really sorry, both our cameras stopped working half way through the video, luckily the sound recorder was still working and we have sound, but we lost video after minute 45.

The Panel is split into two sections. The first section Law and the DAO will be covering questions like:

• What is the DAO and what is the community of token holders?

• Who is legally responsible for and liable for acts or omissions of the DAO?

• Can the DAO or the token holders sue or be sued?

• Is the DAO creating (or can it create) a new legal paradigm, or will existing legal frameworks (legal corporate structure, etc) simply be applied onto/around the core automated processes of DAOs.

The second section Law and Blockchain will be addressing:

• Can smart contracts function as legal contracts and vis-a-versa.

• What will the practice of law look like in the era of smart contracts and blockchain? What will change? Will all lawyers be coders? Will human judgment still be required? Will courts and judges be replaced?

• How will DAOs, blockchains and smart contracts change the law itself (property law, IP law, tax law, criminal law)?

• Part of the vision of blockchain is freedom and empowerment, but with public blockchains, what happens to the right of privacy and the right to be forgotten?

The panel was chaired by Stuart Mast - with over 15 years of experience practicing law at some of the biggest international law firms. He has been involved with startups as a founder, partner, investor and evangelist. As a lawyer, Stuart is particularly excited about the role law can play in helping to advance the developments in the blockchain ecosystem, as well as the remarkable opportunity we now have to think about how law, and the ways we regulate ourselves and resolve disputes, can be reinvented.

Stuart was joined by:

• Stephen D. Palley is of counsel in the Washington D.C. office of Anderson Kill. He focuses his practice on litigation, trial practice and insurance coverage. He has recently published articles on determining jurisdiction when a DAO is sued, and on how to sue a DAO.

• Lorna Brazell is a partner at Osbourne Clarke. Her work includes litigation in the English courts, oppositions and appeals at the European Patent Office and the management of parallel actions across Europe and beyond, as well as IP diligence reviews, opinions, international portfolio management and patent licensing. She is a contributing author to Hoegner's 2015 book on the Law of Bitcoin.

• Raoul Lumb is an attorney in Hill Hofstetter’s Technology Team. He assists clients with a wide range of commercial contract issues, as well as advising on intellectual property and regulatory matters. He acts for clients drawn from all across the Technology sector, including software developers, online entrepreneurs and hardware manufacturers.

• Sean Murphy is a corporate partner in Norton Rose Fulbright's London office. He advises a broad range of clients on FinTech-related matters, including financial institutions, regulators, investors, start-ups and mature technology companies. Sean is the global co-chair of Norton Rose Fulbright's technology international business group and leads the global distributed ledger and blockchain practice group.

We’d like to thank the London Ethereum Meetup ( event sponsors and organizers:

Havas Media:

May 25, 2016 12:22

State Of The DApps - Joris Bontje, EtherCasts

Joris Bontje is a software engineer with experience in the fields of big data, blockchain and smart contract technology. Joris hosts the educational YouTube channel EtherCasts, which educates people on how to create decentralized applications with Ethereum. Joris is actively involved in advising large corporations on how to take advantage of the disruptive possibilities of blockchain technology and building Ethereum-based solutions which demonstrate these possibilities.

Joris will be talking about the State of the DApps. For more than a year he has been hosting and curating a list of all the Ethereum DApps known to mankind (except some obvious scams / ponzi schemes) on . In his talk he'll reflect on the kind of DApps that are being developed by the community. What trends can we see? What are the favorite languages, frameworks and licenses? And of course answer the important question: does a "Tinder for Horses" already exist?

We’d like to thank the London Ethereum Meetup ( event sponsors and organizers:


Also a big thank you for the video recording and editing to Maria Lusitano Santos:

May 24, 2016 10:09

An Ethereum Platform For Decentralized Autonomous Organizations, Jack du Rose, Colony

Jack du Rose is cofounder of Colony, an Ethereum platform for decentralised organisations. Colony seeks to make building an organisation online as easy as creating a Facebook group by allowing people from all over the world to collaborate on projects without the need for formal hierarchy or trust.

In this presentation, Jack will be discussing the theoretical, practical and legal challenges surrounding decentralised autonomous organisations, and the kinds of organisations Colony is bringing to the Ethereum ecosystem.

We’d like to thank the London Ethereum Meetup ( event sponsors and organizers:


Also a big thank you for the video recording and editing to Maria Lusitano Santos:

May 18, 2016 10:16

The Decentralisation Of Finance - Nick Zeeb, Clearmatics

Nick Zeeb is the tech lead at Clearmatics. He's been obsessed by the blockchain since reading Satoshi Nakamoto's white paper and now finally gets paid to hack on blockchain technology.

Before joining Clearmatics he worked as a senior engineer at a low latency FX exchange, an investment bank and a hedge fund. He holds a master's degree in engineering and computer science from the University of Oxford.

Nick will be talking about the potential of blockchain technology in the world of finance. He will give an overview of the current financial system and its problems, talk about the opportunities for blockchain technology and suggest practical approaches of how we can work with existing financial institutions to achieve these.

We’d like to thank the London Ethereum Meetup ( event sponsors and organizers:


Also a big thank you for the video recording and editing to Maria Lusitano Santos:

May 05, 2016 12:47

Blockchain and Ethereum Security on the Higher Level - Vitalik Buterin

The Finer Challenges in Bringing User Sovereignty from Cypherpunk Dream to Reality.

Vitalik Buterin ( is a programmer & writer. He is primarily known as a co-founder of Ethereum, and as a co-founder of Bitcoin Magazine. In 2014, Buterin won the World Technology Award for the co-creation and invention of Ethereum.

We’d like to thank the London Ethereum Meetup ( event sponsors:


Also a special thanks to Thea Dumitrescu for recording and editing the video

April 18, 2016 13:38

IoT and Blockchain Used for Security, Identity, Coordination and Privacy - Stephan Tual,

Stephan is the Founder and COO of, a project at the intersection of the IoT and blockchain that aims to address security, identity, coordination and privacy over billions of devices. first product, the Ethereum Computer, disrupts the billion dollar disruptors by enabling anyone to rent, sell or share their property without middleman. And because it's build on top of the Ethereum blockchain, is always on, suffers no downtime, features cryptographic security by default, requires no login or signup, and can be audited by anyone.

Stephan is the former CCO of Ethereum, has three startups under his belt and brings 20 years of enterprise IT experience to the project.

We’d like to thank the London Ethereum Meetup ( event sponsors:

Thomson Reuters:
Havas Media:

April 15, 2016 11:10

De-centralisation & New Forms of Value Exchange in a Multi-National Corporation - RWE

De-centralisation and New Forms of Value Exchange Inside a Multi-National Corporation - Carsten Stöcker, RWE

Dr. Carsten Stöcker is working in the “RWE Innovation Hub” on blockchain technology use cases for physical delivery. Prior to joining RWE he worked for the German Aerospace Center (DLR) and Accenture GmbH. Carsten's talk will be focused on how RWE is trying to take advantage of the recent developments in blockchain technology. He will present a few use cases of smart contracts and talk about Chained Delivery Networks: Blockchain/IPFS + IoT + Physical Delivery. He will also address how the Ethereum blockchain can help with sharing, de-centralisation, access to assets and create new forms of value exchange inside a multi-national corporation.

We’d like to thank the London Ethereum Meetup ( event sponsors:

Thomson Reuters:
Havas Media:

April 14, 2016 12:38

Reinventing the Retail Energy Market in the UK - Paul Ellis, Electron and Toby Proctor, Innovate UK

Paul Ellis, spent 13 years in Investment Banking, following that he founded a development business and fintech incubator. He subsequently created and ran a very successful electronic trading platform for credit derivatives for a number of years.

Recently he started Electron, a new platform focusing on reinventing the retail energy market in the UK using the Ethereum blockchain. Electron is still under development, but has already attracted a number of industry heavyweights as investors and was recently announced as the recipient of a highly sought after Innovate UK grant.

Paul will talk about development of the Electron Platform, including some of the technologies they are using. He will also cover some of the block chain visualisation work they are currently doing including an R module and .NET library for Ethereum which they are planning to open source.

Toby has most recently worked in a number of positions at the Defence Science and Technology Laboratory in horizon scanning, technology transfer. He was a programme lead in Cyber security before moving to Innovate UK, the UKs Innovation agency, where he helps companies in the UK turn emerging technologies into new products and services.

We’d like to thank the London Ethereum Meetup ( event sponsors:

Thomson Reuters:
Havas Media: