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Enterprise Ethereum Alliance

Enterprise Ethereum Alliance

Ethereum's intrinsically trusted system is the most promising solution for enterprise Blockchain adoption, given its maturity and multi-purpose design. Privacy and Performance improvements will be mandatory to achieve enterprise-ready status and will be the focus of Enterprise Ethereums roadmap. In partnership with the dedicated and robust Ethereum community, Enterprises are coming together to produce the industry standard, open source, free to use blockchain solutions that will be the foundation for businesses going forward. This form needs Javascript to display, which your browser doesn't support. Sign up here instead Continue reading >>

What Are Smart Contracts

What Are Smart Contracts

Home The Ethereum Wiki What Are Smart Contracts A smart contract is just computer code that defines certain parts of an agreement and can self-execute if terms are met. Contracts are normal thing which we people make in our daily lives. There are basically many types of contracts like, business contracts, education contracts, and many more. These contracts define a deal between two people which a mutual understanding of rules and regulations that make anagreement. But these days this system has changed and the latest version of making a contract is asmart contract. These smart contracts especially help in exchanging money, properties, shares or anything valuable in complete transparency. There will be no middleman making deals with side parties here and thats the best part. The best way to understand what a smart contract is to use a simple and real-world example. Imagine if you and friend wanted to bet 1 ETH each on which team would be the winner in the next Superbowl. Well, you and your friend could create a smart contract using a dApp to write out a simple contract. Inside the smart contract would be the terms of the bet and a source of who would verify the winner such as ESPN.com or NFL.com. You and your friend would then deposit 1 ETH into the smart contract and on the day of the Superbowl the smart contract will execute and the winner will be paid out the 2 ETH that originally deposited in the contract. Smart contracts are defined as protocols which are used by a computer to verify and negotiate the contract performance. Here everything will be done by computer and so it will be useful and makes it easy for people to handle tasks in a smooth way. These smart contracts apply the same rule and regulations which we do in traditional contracts and in addition there w Continue reading >>

Ethereum - Wikipedia

Ethereum - Wikipedia

This article has multiple issues. Please help improve it or discuss these issues on the talk page . This article relies too much on references to primary sources . Please improve this by adding secondary or tertiary sources . Some of this article's listed sources may not be reliable . Please help this article by looking for better, more reliable sources. Unreliable citations may be challenged or deleted. The Ethereum Project's logo, first used in 2014 Ethereum is an open-source , public, blockchain -based distributed computing platform featuring smart contract (scripting) functionality. [2] It provides a decentralized Turing-complete virtual machine , the Ethereum Virtual Machine (EVM), which can execute scripts using an international network of public nodes. Ethereum also provides a cryptocurrency token called "ether", which can be transferred between accounts and used to compensate participant nodes for computations performed. [3] "Gas", an internal transaction pricing mechanism, is used to mitigate spam and allocate resources on the network. [2] [4] Ethereum was proposed in late 2013 by Vitalik Buterin , a cryptocurrency researcher and programmer. Development was funded by an online crowdsale between July and August 2014. [5] The system went live on 30 July 2015, with 11.9 million coins "premined" for the crowdsale. [6] This accounts for approximately 13 percent of the total circulating supply. In 2016, as a result of the collapse of The DAO project, Ethereum was forked into two separate blockchains - the new forked version became Ethereum (ETH), and the original continued as Ethereum Classic (ETC). [7] [8] [9] Ethereum was initially described in a white paper by Vitalik Buterin , [10] a programmer involved with Bitcoin Magazine , in late 2013 with a goal of buildin Continue reading >>

The Status Network Whitepaper

The Status Network Whitepaper

A strategy towards mass adoption of Ethereum Draft for open community review. Subject to change. Status is an open source messaging platform and mobile interface to interact with decentralized applications that run on the Ethereum Network. This document presents a utility network token for Status, the first ever mobile Ethereum client built entirely on peer-to-peer technologies. The messenger form-factor is chosen to make Ethereum feel as familiar as possible to the average smartphone user, while providing a flexible platform for DApp developers, aimed to maximise the amount of daily use of Ethereums public blockchain. The Status Network token is a modular utility token that fuels the Status network. This includes a Decentralized Push Notification Market, Governance of the Status client, Community Curation of content, along with social communication tools such as Tribute to Talk. We also propose a fiat-to-crypto 'Teller Network', DApp Directory, Sticker Market, and demonstrate our research on a User Acquisition Engine to grow the Network. The Status Network Token (SNT) will be distributed at a rate of 10,000 SNT per 1 ETH to participants in the Contribution Period, and is expected to begin on June 20th. The Contribution Period will run for 14 days, or within 24 hours of the first ceiling of 12M CHF (Swiss Francs) having been reached (outlined on Page 27). Prevalent on the internet today are social bots, a type of automated software that controls a social media account, designed to advocate certain ideas, support campaigns, and sway public relations. These bots pollute online discussion by lending false credibility to their messages and influence of real users ( Ferrara et al. 2016a , Aiello et al. 2012 ). Recent studies quantify the extent to which automated systems ca Continue reading >>

Ethereum Classic Community

Ethereum Classic Community

Vitalik Buterin and The Ethereum Foundation create the first blockchain-based turing-complete smart contract platform Slock.it construct TheDAO Ethereum Contract; a security audit is completed by Dejavu TheDAO smart contract is deployed; members of the public send it value in return for DAO tokens Slock.it announce a $1.5 Million USD proposal, paid in Ether by the crowdfund, 'to guarantee the integrity of The DAO' On the last day of the crowdsale, DAO curator Vlad Zamfir calls for a moratorium on TheDAO, citing many game-theoretical security issues The crowdsale completes to become the world's largest and raising an incredible $150 Million USD Peter Vessenes publicly discloses the existence of a critical security vulnerability overlooked in many Solidiy contracts Stephan Tual publicly claims that TheDAO funds are safe despite the newly-discovered critical security flaw Ether is slowly and silently drained from TheDAO as the re-entry bug is applied The price of Ether is slashed in half as Griff Green announces that TheDAO has been hacked TheDAO's splitting mechanism gives around a month for a solution to be found that recovers the funds; Foundation and community developers race to implement a soft fork A group of 'white-hat' hackers secure 70% of TheDAO funds but protocol-level action is required to save the remaining 30% split by the hacker The Ethereum Foundation releases a 'Soft Fork' client to censor transactions coming from the hacker; mining pools vote to enable it by lowering gas limit Critical Denial of Service flaws are found in the Soft Fork implementation, miners quickly decide not to use it Many days of intense arguing goes on in the Ethereum community about the pros and cons of implementing a Hard Fork The only remaining option is a controversial Hard Fork. Continue reading >>

Parity

Parity

Parity comes with an extensive, easy-to-use, in-built Ethereum Wallet and app environment that can be accessed via your Web browser of choice. Account, address book and multi-sig management Hardware and electronic cold wallet support Develop smart contracts and decentralised applications with Parity or build protocol extensions. Check out our Wiki , Gitter and Bug Bounty Program Parity is designed for mission critical use in enterprise environments. Parity has a number of features that make it perfect for deployment in private or consortium setting. The Parity Ethereum client is built from the ground up to the highest standards of software development. Tuned, hand optimised use of low-level Rust language JITEVM turbocharges execution of complex contracts Multi-level in-memory caching Memory and concurrency safety guaranteed by Rust language Actor-based modularity ensures maximal resilience Unit tested and peer reviewed from day one Standard, JSON-based, chain-specification format EVM plugins allow native speed contracts Actor-based modular architecture with IPC Rust's ownership tracking facilitates minimal memory footprint Cache management gives fine control to user State-trie pruning minimises storage footprint 1-line install on Mac and Linux Docker images available Library APIs are fully documented 100% consensus test conformant implementation Complies with standard devp2p network protocol Fully compatible with JSON-RPC API Stable is the most mature and tested software Beta comes with additional features and better performance but may yet have quirks and issues to be fixed Nightly is a cutting edge software build but comes with a strong caveat against using it for managing anything of value From RLP and the Trie to the network subsystem. We aim for our unit tests to Continue reading >>

Aragon Wiki

Aragon Wiki

We believe decentralized organizations can solve the worlds worst problems . That's why we are building Aragon. This wiki for the Aragon Project contains much of the content and resources available publicly. If you feel like contributing to the wiki, like changing or adding things, feel free to create an Issue or submit a Pull Request at . You can use the menu to the left to navigate the wiki. Here is a brief summary of the contents: Documents and papers related to the project Finalized versions of the Aragon Governance Proposal documents Information about the Aragon multisig structure and wallets Technical descriptions and documentation for Aragon software projects App UI, brand guidelines, logos, merchandise, and more Information and agendas for our public meetings Details about our culture, work conditions and guide for applying to work at Aragon Contact information for media/press inquiries Old, deprecated documents and files that are kept for archiving purposes only Translations of documents into non-English languages The first step towards a more fair, efficient world We are building Aragon because we believe decentralized organizations can solve the worlds worst problems . Aragon is a project that aims to disintermediate the creation and maintenance of organizational structures by using blockchain technology. We want to empower people across the world to easily and securely manage their organizations. We provide the tools for anyone to become an entrepreneur and run their own organization, to take control of their own lives. By making it possible for everyone in the world to organize, we are enabling a borderless, permissionless and more efficient creation of value. Aragon organizations are powered by Ethereum, a global blockchain for running unstoppable applica Continue reading >>

Encyclopedia Blockchainica: Wikipedia Co-founder To Disrupt His Own Creation

Encyclopedia Blockchainica: Wikipedia Co-founder To Disrupt His Own Creation

Encyclopedia Blockchainica: Wikipedia Co-Founder to Disrupt His Own Creation Dec 6, 2017 at 17:00 UTC|UpdatedDec 6, 2017 at 21:24 UTC A co-founder of Wikipedia doesn't like what Wikipedia has become. Dr. Larry Sanger has been an outspoken critic of the online encyclopedia he helped found for some time, but his latest move, joining venture-backed startup Everipedia as its chief information officer shows just how serious he is about disrupting the model. Revealed today alongside news of Sanger's hire, Everipedia is moving the entire process of approving articles, making edits and storing information to the EOS blockchain. According to the Everipedia team, using smart contracts to record the editing workflow and store articles standsto create a truly censorship-proof system. And by incentivizing contributors with a cryptocurrency token, the company hopes it can create a platform for more accurate information. In interview, Sanger explained his decision to join the startup as part of what he considers the next evolution of online encyclopedias. "The biggest problem with online information today is that it is centralized and controlled by a very few players, that it benefits to have the most salacious and hype-ridden information. We can do much better." In an unpublished draft of Everipedia's white paper provided to CoinDesk, the company details how this move to blockchain might create an improved Wikipedia. Instead of a centralized server, content would be hosted by nodes - similar to how bitcoin's ledger of transactions is held. But as has been clear throughout this year's scaling debates , many of the largest blockchains in the space would face significant challenges storing the amount of data needed for an online encyclopedia. In an effort to steer clear of those hurdle Continue reading >>

Ethereum Mining Wikia | Fandom Powered By Wikia

Ethereum Mining Wikia | Fandom Powered By Wikia

The most important part of your mining RIG. What should i use? Again there are many different options and most of them work but i will list a few of the best ones. All prices are based on what I found on the big selling websites. It might differ but not by a lot so please don't get upset if it turns out more as prices change. Operating system - (Windows 7, Windows 8.1, Windows 10 ,Ubuntu) CPU - Intel Celeron G1840 (40$) - Not much of a power is needed from the Cpu for mining. Every 40-50$ CPU will do just fine. Mobo - AsRock H81 Pro Btc (60$) - The king of mining supports 6 GPUs and is cheap. Look for how many GPUs a motherboard supports. Best motherboards PSU - Depends on how many cards and which cards you use. Avarage ( 3x GPU = 850W PSU, 6x GPU = 2x 750w PSU) (70-180$) EASIEST WAY to know how much PSU you need is to just calculate your WATT usage. ( 6x280x = around 1000 watts and CPU,motherboard 120Watts. Soo you need 1120 PSU ( 2x750.)) Molex connectors,Ribbon raisers, Usb 3.0 power supply cables ( 5-12$) - Totally your choice. GPU - The hardest and most important choice! Next section will be all about GPUs IMPORTANT! Don't forget motherboard,ram,ssd,CPU also need power, when calculating WATTage and PSU power always add an extra 120Watts for these components. These graphic cards are too old now. I'm to lazy to update everything. The guide works great and everything is still the same in mining only newer GPUs are used. and the rx 5xx series which is almost the same as the rx 4xx series. NVidia cards have also become more useful for mining with recent updates to mining software, and ability to lower their power consumption. Combined with the fact that the Radeon cards are often out of stock, or have a marked up price, the GTX series NVidia cards can be just as profit Continue reading >>

Ethereum Project

Ethereum Project

You are responsible for your own computer security. If your machine is compromised you will lose your ether, access to any contracts and possibly more. You are responsible for your own actions. If you mess something up or break any laws while using this software, it's your fault, and your fault only. You are responsible for your own karma. Don't be a jerk and respect the rights of others. What goes around comes around. The user expressly knows and agrees that the user is using the Ethereum platform at the users sole risk. The user acknowledges that the user has an adequate understanding of the risks, usage and intricacies of cryptographic tokens and blockchain-based open source software, eth platform and ethereum The user acknowledges and agrees that, to the fullest extent permitted by any applicable law, the disclaimers of liability contained herein apply to any and all damages or injury whatsoever caused by or related to risks of, use of, or inability to use, ethereum or the Ethereum platform under any cause or action whatsoever of any kind in any jurisdiction, including, without limitation, actions for breach of warranty, breach of contract or tort (including negligence) and that neither Stiftung Ethereum (i.e. Ethereum Foundation) nor Ethereum team shall be liable for any indirect, incidental, special, exemplary or consequential damages, including for loss of profits, goodwill or data that occurs as a result. Some jurisdictions do not allow the exclusion of certain warranties or the limitation or exclusion of liability for certain types of damages. Therefore, some of the above limitations in this section may not apply to a user. In particular, nothing in these terms shall affect the statutory rights of any user or exclude injury arising from any willful misconduct Continue reading >>

Home Ethereum/wiki Wiki Github

Home Ethereum/wiki Wiki Github

This is the community-maintained wiki covering all sorts of information on the next-generation peer-to-peer technology platform Ethereum, as well as sister protocols such as Whisper and Swarm. Users signed in with GitHub can edit and add pages using the browser or locally . The fourth major live release of Ethereum aka Spurious Dragon was released in Nov 2016. Development continues towards the versions named Metropolis and Serenity (v1.1). Spurious Dragon is aiming for Dapp developers as well as end users for limited categories of applications, and has a number of security enhancements compared to previous versions, and the upcoming Metropolis is aiming to introduce various privacy and functionality improvements that are listed under the "Accepted EIPs" heading here . Serenity is meant to move from consensus through Proof-of-Work to Proof-of-Stake . Further releases will focus on massive scalability increases through sharding as well as virtual machine improvements and other features. To get the basic concepts of Ethereum visit the Ethereum homepage over at . If you want to get a deeper understanding, start by reading the whitepaper and the design rationale . For a more formal review, read the yellow paper . Continue reading >>

Ethereum. All About Cryptocurrency - Bitcoin Wiki

Ethereum. All About Cryptocurrency - Bitcoin Wiki

Ethereum was initially described in a white paper by Vitalik Buterin, a programmer involved with Bitcoin Magazine , in late 2013 with a goal of building decentralized applications. Buterin had argued that Bitcoin needed a scripting language for application development. Failing to gain agreement, he proposed development of a new platform with a more general scripting language. At the time of public announcement in January 2014, the core Ethereum team was Vitalik Buterin, Mihai Alisie, Anthony Di Iorio, and Charles Hoskinson. [3] Formal development of the Ethereum software project began in early 2014 through a Swiss company, Ethereum Switzerland GmbH (EthSuisse). Subsequently, a Swiss non-profit foundation, the Ethereum Foundation (Stiftung Ethereum), was created as well. Development was funded by an online public crowdsale during JulyAugust 2014, with the participants buying the Ethereum value token (ether) with another digital currency, bitcoin . While there was early praise for the technical innovations of Ethereum, questions were also raised about its security and scalability. Several codenamed prototypes of the Ethereum platform were developed by the Foundation, as part of their Proof-of-Concept series, prior to the official launch of the Frontier network. "Olympic" was the last of these prototypes, and public beta pre-release. The Olympic network provided users with a bug bounty of 25,000 ether for stress testing the limits of the Ethereum blockchain. "Frontier" marked the tentative experimental release of the Ethereum platform in July 2015. [4] Since the initial launch, Ethereum has undergone several planned protocol upgrades called milestones, which are important changes affecting the underlying functionality and/or incentive structures of the platform. "Homestea Continue reading >>

Private Key - Bitcoin Wiki

Private Key - Bitcoin Wiki

This page contains sample addresses and/or private keys. Do not send bitcoins to or import any sample keys; you will lose your money. A private key in the context of Bitcoin is a secret number that allows bitcoins to be spent.Every Bitcoin wallet contains one or more private keys, which are saved in the wallet file.The private keys are mathematically related to all Bitcoin addresses generated for the wallet. Because the private key is the "ticket" that allows someone to spend bitcoins, it is important that these are kept secure.Private keys can be kept on computer files, but in some cases are also short enough that they can be printed on paper. Some wallets allow private keys to be imported without generating any transactions while other wallets or services require that the private key be swept.When a private key is swept, a transaction is broadcast that sends the balance controlled by the private key to a new address in the wallet.Just as with any other transaction, there is risk of swept transactions to be double-spending. In contrast, bitcoind provides a facility to import a private key without creating a sweep transaction.This is considered very dangerous, and not intended to be used even by power users or experts except in very specific cases.Bitcoins can be easily stolen at any time, from a wallet which has imported an untrusted or otherwise insecure private key - this can include private keys generated offline and never seen by someone else [1] [2] . In Bitcoin, a private key is usually a 256-bit number (some newer wallets may use between 128 and 512 bits), which can be represented one of several ways.Here is a private key in hexadecimal - 256 bits in hexadecimal is 32 bytes, or 64 characters in the range 0-9 or A-F. E9873D79C6D87DC0FB6A5778633389_SAMPLE_PRIVATE Continue reading >>

Ether - Wikipedia

Ether - Wikipedia

For the substance whose common name is ether, see Diethyl ether . For other uses, see Aether (disambiguation) . The general structure of an ether. R and R' represent any alkyl or aryl substituent . Ethers ( /ir/ ) are a class of organic compounds that contain an ether group an oxygen atom connected to two alkyl or aryl groups. They have the general formula ROR, where R and R represent the alkyl or aryl groups. Ethers can again be classified into two varieties: if the alkyl groups are the same on both sides of the oxygen atom, then it is a simple or symmetrical ether, whereas if they are different, the ethers are called mixed or unsymmetrical ethers. [1] A typical example of the first group is the solvent and anesthetic diethyl ether , commonly referred to simply as "ether" (CH3CH2OCH2CH3). Ethers are common in organic chemistry and even more prevalent in biochemistry, as they are common linkages in carbohydrates and lignin . Ethers feature COC linkage defined by a bond angle of about 110 and CO distances of about 140 pm . The barrier to rotation about the CO bonds is low. The bonding of oxygen in ethers, alcohols, and water is similar. In the language of valence bond theory , the hybridization at oxygen is sp3. Oxygen is more electronegative than carbon, thus the hydrogens alpha to ethers are more acidic than in simple hydrocarbons. They are far less acidic than hydrogens alpha to carbonyl groups (such as in ketones or aldehydes ), however. Depending on the groups at R and R, ethers are classified into two types: In the IUPAC nomenclature system, ethers are named using the general formula "alkoxyalkane", for example CH3CH2OCH3 is methoxyethane . If the ether is part of a more complex molecule, it is described as an alkoxy substituent, so OCH3 would be considered a " me Continue reading >>

What Is Ether?

What Is Ether?

Ether is a necessary element a fuel for operating the distributed application platform Ethereum. It is a form of payment made by the clients of the platform to the machines executing the requested operations. To put it another way, ether is the incentive ensuring that developers write quality applications (wasteful code costs more), and that the network remains healthy (people are compensated for their contributed resources). If you just want to test the technology, you probably don't need real ether. Download the latest Wallet app and switch to the Test Network Check your ether presale balance safely here: The total supply of ether and its rate of issuance was decided by the donations gathered on the 2014 presale. The results were roughly: 60 million ether created to contributors of the presale 12 Million (20% of the above) were created to the development fund, most of it going to early contributors and developers and the remaining to the Ethereum Foundation 5 ethers are created every block (roughly 15 seconds) to the miner of the block 2-3 ethers are sometimes sent to another miner if they were also able to find a solution but his block wasn't included (called uncle/aunt reward) Note that after the Byzantium update is implemented, the mining and uncle reward is reduced to 3 ethers and 0.625-2.625 ethers, respectively. No. According to the terms agreed by all parties on the 2014 presale, issuance of ether is capped at 18 million ether per year (this number equals 25% of the initial supply). This means that while the absolute issuance is fixed, the relative inflation is decreased every year. In theory if this issuance was kept indefinitely then at some point the rate of new tokens created every year would reach the average amount lost yearly (by misuse, accidental key Continue reading >>

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