Ethereum – Wikipedia


Original author(s)Vitalik ButerinGavin WoodDeveloper(s)Ethereum Foundation, Hyperledger, Nethermind, OpenEthereum, EthereumJSInitial release30 July 2015; 5 years agoStable releaseBerlin / 15 April 2021; 3 months agoDevelopment statusActiveSoftware usedEVM 1 BytecodeWritten inGo, Rust, C#, C++, Java, PythonOperating systemCross-platformPlatformx86-sixty four, ARMSize300 GB (2020-03)TypeDistributed computingLicenseOpen-source licensesActive hosts10,335 (2021-01)

Ethereum is a decentralized, open-source blockchain with smart contract functionality. Ether (ETH or Ξ) is the native cryptocurrency of the platform. After Bitcoin, it is the biggest cryptocurrency with the aid of marketplace capitalization.[1] Ethereum is the maximum actively used blockchain.[2][3]

Ethereum turned into ethereum proposed in 2013 with the aid of programmer Vitalik Buterin. In 2014, development became crowdfunded, and the community went stay on 30 July 2015.[four] The platform lets in builders to deploy everlasting and immutable decentralized programs onto it, with which customers can engage.[5][6] Decentralized finance (DeFi) packages provide a large array of financial offerings with out the want for traditional financial intermediaries like brokerages, exchanges, or banks, together with allowing cryptocurrency customers to borrow in opposition to their holdings or lend them out for interest.[7][8] Ethereum additionally permits for the creation and change of NFTs, which might be non-interchangeable tokens linked to digital works of art or different real-global objects and sold as specific digital property. Additionally, many different cryptocurrencies function as ERC-20 tokens on pinnacle of the Ethereum blockchain and have applied the platform for preliminary coin services.

Ethereum has started implementing a sequence of improvements referred to as Ethereum 2.0, which incorporates a transition to proof of stake and targets to boom transaction throughput the use of sharding.[9][10]


Ethereum became initially defined in a white paper with the aid of Vitalik Buterin,[eleven] a programmer and co-founder of Bitcoin Magazine, in overdue 2013 with a aim of building decentralized programs.[12][thirteen] Buterin argued that Bitcoin and blockchain generation may want to benefit from other programs besides cash and wished a scripting language for application development that could result in attaching actual-international property, which include shares and property, to the blockchain.[14] In 2013, Buterin briefly labored with eToro CEO Yoni Assia on the Colored Coins assignment and drafted its white paper outlining additional use instances for blockchain technology. However, after failing to benefit settlement on how the mission ought to continue, he proposed the improvement of a new platform with a greater fashionable scripting language that could finally grow to be Ethereum.[sixteen]

Ethereum changed into introduced on the North American Bitcoin Conference in Miami, in January 2014.[17] During the convention, Gavin Wood, Charles Hoskinson, and Anthony Di Iorio (who financed the challenge) rented a residence in Miami with Buterin to increase a fuller sense of what Ethereum would possibly turn out to be.[17] Di Iorio invited friend Joseph Lubin, who invited reporter Morgen Peck, to bear witness.[17] Peck in the end wrote about the experience in Wired.[18] Six months later the founders met again in a house in Zug, Switzerland, where Buterin advised the founders that the project could proceed as a non-income. Hoskinson left the undertaking at that point.[17]

Ethereum has an unusually long listing of founders. Anthony Di Iorio wrote: “Ethereum was founded by Vitalik Buterin, Myself, Charles Hoskinson, Mihai Alisie & Amir Chetrit (the preliminary 5) in December 2013. Joseph Lubin, Gavin Wood, & Jeffrey Wilcke were introduced in early 2014 as founders.” Formal development of the software commenced in early 2014 via a Swiss business enterprise, Ethereum Switzerland GmbH (EthSuisse).[19]

The simple idea of placing executable smart contracts within the blockchain needed to be exact earlier than the software might be carried out. This paintings turned into completed via Gavin Wood, then the chief generation officer, inside the Ethereum Yellow Paper that distinctive the Ethereum Virtual Machine.[20] Subsequently, a Swiss non-income basis, the Ethereum Foundation (Stiftung Ethereum), changed into created as well. Development turned into funded with the aid of a web public crowdsale from July to August 2014, with the contributors shopping for the Ethereum fee token (Ether) with some other virtual foreign money, Bitcoin. While there was early praise for the technical innovations of Ethereum, questions were additionally raised approximately its security and scalability.[12]

In 2019, Ethereum Foundation employee Virgil Griffith become arrested by using the US government for imparting at a blockchain conference in North Korea.[21]


Buterin selected the name Ethereum after surfing a listing of factors from technological know-how fiction on Wikipedia. He stated, “I without delay found out that I appreciated it higher than all the different alternatives that I had visible; I suppose it was the truth that [it] sounded great and it had the word ‘ether’, regarding the hypothetical invisible medium that permeates the universe and allows mild to journey.”[17] Buterin wanted his platform to be the underlying and imperceptible medium for the packages strolling on pinnacle of it.

Launch and milestonesEthereum protocol upgradesCode name

Release date

Release blockFrontier

30 July 2015

0Ice Age

8 September 2015


15 March 2016

1,one hundred fifty,000DAO Fork

20 July 2016

1,920,000Tangerine Whistle

18 October 2016

2,463,000Spurious Dragon

23 November 2016


16 October 2017


28 February 2019


28 February 2019


eight December 2019

9,069,000Muir Glacier

1 January 2020


15 April 2021

12,244,000London (scheduled)

four August 2021


Several codenamed prototypes of Ethereum have been evolved by means of the Ethereum Foundation as part of their proof-of-idea series. “Olympic” became the remaining prototype and public beta pre-release. The Olympic community supplied customers with a malicious program bounty of 25,000 Ether for strain trying out the limits of the Ethereum blockchain. In July 2015, “Frontier” marked the tentative experimental release of the Ethereum platform.[23]

Since the initial launch, Ethereum has gone through numerous deliberate protocol enhancements, that are vital changes affecting the underlying capability and/or incentive structures of the platform.[24][25] Protocol upgrades are carried out via a hard fork. The present day upgrade to Ethereum was “Berlin”, carried out on April 14, 2021.[26] The subsequent improve, “London”, is slated to be released in August. London will consist of Ethereum Improvement Proposal (“EIP”) 1559, so one can reduce transaction fee volatility and reason a part of the Ether paid in transaction fees each block to be destroyed as opposed to given to the miner, potentially resulting in a reduction of the overall deliver of Ether over ethereum time.[27]

The DAO occasion

In 2016, a decentralized independent corporation called The ethereum DAO, a fixed of clever contracts developed at the platform, raised a document US$a hundred and fifty million in a crowdsale to fund the undertaking.[28] The DAO was exploited in June 2016 whilst US$50 million of DAO tokens had been stolen by means of an unknown hacker.[29][30] The event sparked a debate within the crypto-network approximately whether Ethereum have to perform a contentious “tough fork” to reappropriate the affected funds.[31] It resulted in the network splitting intoblockchains: Ethereum with the theft reversed and Ethereum Classic which persisted on the authentic chain.[32] The difficult fork created a contention among the 2 networks. After the difficult fork, Ethereum sooner or later forked two times within the fourth quarter of 2016 to address different assaults.

Enterprise Ethereum Alliance and Corporate Adoption

In March 2017, numerous blockchain startups, studies organizations, and Fortune 500 organizations announced the creation of the Enterprise Ethereum Alliance (EEA) with 30 founding individuals.[33] By May 2017, the nonprofit corporation had 116 company participants – inclusive of ConsenSys, CME Group, Cornell University’s studies organization, Toyota Research Institute, Samsung SDS, Microsoft, Intel, J. P. Morgan, Cooley LLP, Merck KGaA, DTCC, Deloitte, Accenture, Banco Santander, BNY Mellon, ING, and National Bank of Canada.[34][35] By July 2017, there have been over a hundred and fifty participants within the alliance, inclusive of MasterCard, Cisco Systems, Sberbank, and Scotiabank.[36][37]

In March 2021, Visa Inc. announced that it started settling stablecoin transactions using Ethereum.[38] In April 2021, JP Morgan Chase, UBS, and MasterCard announced that they had been making an investment $sixty five million into ConsenSys, a software improvement corporation that builds Ethereum-related infrastructure.[39]

Ethereum 2.0Ethereum releasesCode call

Release date

Release blockETH Phase 0 (Beacon Chain)

1 December 2020

0ETH Phase 1 (planned)


TBDETH 2.0 Phase 2 (deliberate)



Open-supply development is presently underway for a main improve to Ethereum known as Ethereum or Eth2.[40] The most important cause of the upgrade is to growth transaction throughput for the network from the current of about 15 transactions consistent with second to up to tens of heaps of transactions in keeping with 2nd.[41]

The said aim is to growth throughput by using splitting up the workload into many blockchains jogging in parallel (known as sharding) and then having all of them percentage a common consensus evidence-of-stake blockchain, so that to maliciously tamper with any singular chain could require one to tamper with the common consensus, which would value the attacker far greater than they may ever benefit from an attack.

Ethereum (additionally known as Serenity) is designed to be released in 3 phases:

“Phase 0” turned into released on 1 December 2020 and created the Beacon Chain, a proof-of-stake (PoS) blockchain to be able to act because the central coordination and consensus hub of Ethereum[forty two][three][forty three]

“Phase 1” will create shard chains and join them to the Beacon Chain.

“Phase 2” will put in force state execution in the shard chains[10] with the current Ethereum 1.0 chain expected to emerge as one of the shards of Ethereum


Ethereum is a permissionless, non-hierarchical network of computer systems (ethereum nodes) which build and are available to consensus on an ever-growing collection of “blocks”, or batches of transactions, called the blockchain. Each block carries an identifier of the block that it need to straight away follow inside the chain if it’s far to be taken into consideration legitimate. Whenever a node provides a block to its chain, it executes the transactions therein in their order, thereby changing the ETH balances and other storage values of Ethereum money owed. These balances and values, collectively referred to as the state, are maintained at the node’s computer one by one from the blockchain, in a Merkle tree.

Each node communicates with a enormously small subset of the community, known as its friends. Whenever a node needs to consist of a new transaction within the blockchain, it sends the transaction to its friends, who then ship it to their peers, and so forth. In this manner, it propagates for the duration of the community. Certain nodes, called miners, preserve a list of all of those new transactions and use them to create new blocks, which they then send to the rest of the community. Whenever a node receives a block, it tests the validity of the block and of all of the transactions therein and, if legitimate, adds it to its blockchain and executes all of stated transactions. As the network is non-hierarchical, a node may additionally get hold of competing blocks, which may also shape competing chains. The network involves consensus on the blockchain by following the “longest-chain rule”, which states that the chain with the maximum blocks at any given time is the canonical chain. This rule achieves consensus because miners do now not need to expend their computational work seeking to add blocks to a chain in an effort to be abandoned by way of the network.


Ether (ETH) is the cryptocurrency generated through the Ethereum protocol as a reward to miners in a evidence-of-work system for including blocks to the blockchain. It is the only forex well-known within the charge of transaction charges, which additionally go to miners. The block praise together with the transaction charges offer the inducement to miners to keep the blockchain developing (i.e. to hold processing new transactions). Therefore, ETH is essential to the operation of the network. Each Ethereum account has an ETH stability and may ship ETH to some other account. The smallest subunit of ETH is called a Wei and is same to 10−18 ETH.[forty four] Ether is often erroneously referred to as “Ethereum”.[forty five]

Ether is listed on exchanges below the forex code ETH. The Greek uppercase Xi character (Ξ) is once in a while used for its forex symbol.[citation wanted]

The shift to Ethereum might also lessen the issuance price of Ether.[46] There is presently no applied hard cap on the overall supply of Ether.[forty seven]


There are two kinds of money owed on Ethereum: person accounts (additionally referred to as externally-owned debts) and contracts. Both kinds have an ETH balance, might also ship ETH to any account, may call any public function of a contract or create a new contract, and are recognized on the blockchain and in the kingdom by using their cope with.[forty six][forty eight]

User bills are the only type which may additionally create transactions. For a transaction to be valid, it need to be signed using the sending account’s personal key, a 64-man or woman hexadecimal string that must only be recognized to the account’s proprietor. The signature set of rules used is ECDSA. Importantly, this algorithm permits one to derive the signer’s address from the signature with out understanding the non-public key.

Contracts are the only sort of account which has related code (a set of features and variable declarations) and contract storage (the values of the variables at any given time). A agreement feature may also take arguments and can have go back values. Within the frame of a feature, further to govern drift statements, a agreement’s code might also include instructions to: ship ETH, study from and write to its storage, create temporary storage (memory) that dies on the quit of the characteristic, perform arithmetic and hashing operations, call its very own functions, call public capabilities of different contracts, create new contracts, and question statistics approximately the contemporary transaction or the blockchain.[49]


Ethereum addresses are composed of the prefix “0x”, a commonplace identifier for hexadecimal, concatenated with the rightmost 20 bytes of the Keccak-256 hash of the ECDSA public key (the curve used is the so-known as secp256k1). In hexadecimal, 2 digits constitute a byte, meaning addresses contain 40 hexadecimal digits, e.g. 0xb794f5ea0ba39494ce839613fffba74279579268. Contract addresses are in the same layout, but, they are decided via sender and creation transaction nonce.[50]

Virtual device

The variety of day by day showed Ethereum transactions as of April 2021

The Ethereum Virtual Machine (EVM) is the runtime surroundings for transaction execution in Ethereum. It is a 256-bit sign up stack this is sandboxed from the node’s other files and processes to make certain that for a given pre-transaction nation and transaction, every node produces the identical publish-transaction state, thereby permitting community consensus. The formal definition of the EVM is exact in the Ethereum Yellow Paper.[50][51] EVMs were carried out in C++, C#, Go, Haskell, Java, JavaScript, Python, Ruby, Rust, Elixir, Erlang, and shortly WebAssembly.


Gas is a unit of account within the EVM used in the calculation of a transaction charge, which is the quantity of ETH a transaction’s sender have to pay to the miner who includes the transaction within the blockchain.

Each type of operation which may be achieved through the EVM is hardcoded with a positive fuel cost, which is supposed to be roughly proportional to the quantity of resources (computation and storage) a node ought to expend to perform that operation. When growing a transaction, the sender need to specify a gas limit and gasoline fee. The gasoline restrict is the most quantity of gasoline the sender is willing to use inside the transaction, and the gasoline rate is the quantity of ETH the sender desires to pay to the miner in step with unit of gasoline used. The higher the gasoline rate, the greater incentive a miner has to consist of the transaction in their block, and consequently the quicker the transaction will be covered in the blockchain. The sender buys the full amount of fuel (i.e. the gas limit) up-front, at the start of the execution of the transaction, and is refunded at the give up for any gasoline no longer used. If at any factor the transaction does no longer have sufficient fuel to perform the next operation, the transaction is reverted but the sender nonetheless pays for the fuel used. Gas fees are normally denominated in Gwei, a subunit of ETH same to 10−nine ETH.[fifty two]

This charge mechanism is designed to mitigate transaction spam, save you infinite loops for the duration of contract execution, and offer for a market-based allocation of community sources.


On social governance

Our governance is inherently social, folks that are more linked within the community have extra energy, a kind of smooth energy.

Vlad Zamfir, Ethereum middle developer, The New Yorker[17]

In October 2015,[fifty three] a development governance become proposed because the Ethereum Improvement Proposal (EIP), standardized on EIP-1.[54] The center improvement group and network were to benefit consensus through a method regulated EIP.[fifty five][fifty six]

Difficulty bomb

The issue bomb is an Ethereum protocol characteristic that reasons the problem of mining a block to increase exponentially over the years after a sure block is reached, with the meant reason being to incentivize enhancements to the protocol and save you miners from having an excessive amount of manipulate over improvements. As the protocol is upgraded, the problem bomb is generally driven further out in time. The protocol has protected a problem bomb from the beginning, and the bomb has been driven back several times.[57] It turned into at the beginning positioned there ordinarily to make certain a a hit improve from evidence of labor to evidence of stake, an upgrade which gets rid of miners entirely from the layout of the community.[citation wanted] The duration in the course of which the mining problem is increasing is called the “Ice Age”.

Comparison to Bitcoin

Bitcoin’s primary use case is that it’s miles a shop of price and a virtual currency. Ether can also be used as a digital forex and keep of value, but the Ethereum community makes it additionally possible to create and run decentralized applications and smart contracts. Ethereum blocks are verified about every 12 seconds on Ethereum in preference to about each 10 mins on Bitcoin. Additionally, Bitcoin has a hard and fast deliver of 21,000,000 cash, while Ethereum has no supply cap.[58] Ethereum and Bitcoin are both mined via proof-of-work and can be bought on cryptocurrency exchanges.[fifty nine]


The EVM’s preparation set is Turing-complete. Popular uses of Ethereum have protected the creation of fungible (ERC20) and non-fungible (ERC721) tokens with loads of residences, crowdfunding (e.g. preliminary coin offerings), decentralized finance, decentralized exchanges, decentralized independent companies (DAOs), video games, prediction markets, and gambling.

Contract source code

Ethereum’s clever contracts are written in excessive-stage programming languages after which compiled all the way down to EVM bytecode and deployed to the Ethereum blockchain. They may be written in Solidity (a language library with similarities to C and JavaScript), Serpent (much like Python, but deprecated), Yul (an intermediate language which could collect to diverse special backends – EVM 1.0, EVM 1.5 and eWASM are deliberate), LLL (a low-stage Lisp-like language), and Mutan (Go-based totally, however deprecated). There become additionally[when?] a studies-orientated language underneath development known as Vyper (a strongly-typed Python-derived decidable language).[citation needed] Source code and compiler information are normally published along with the launch of the agreement so that customers can see the code and confirm that it compiles to the bytecode this is on-chain.

One trouble associated with the use of smart contracts on a public blockchain is that bugs, consisting of security holes, are visible to all but cannot be constant quickly.[60] One example of this is the 2016 attack on The DAO, which could not be quick stopped or reversed.[29]

There is ongoing research on a way to use formal verification to specific and show non-trivial homes. A Microsoft Research report referred to that writing solid smart contracts can be extraordinarily tough in practice, the usage of The DAO hack to illustrate this problem. The report mentioned tools that Microsoft had evolved for verifying contracts, and noted that a huge-scale evaluation of published contracts is in all likelihood to uncover good sized vulnerabilities. The document also said that it is viable to confirm the equivalence of a Solidity program and the EVM code.[61]

ERC-20 Tokens

The ERC-20 (Ethereum Request for Comments 20) Token Standard allows for fungible tokens on the Ethereum blockchain. The general, proposed by using Fabian Vogelsteller in November 2015, implements an API for tokens inside smart contracts.[sixty two] The fashionable affords functions such as the transfer of tokens from one account to every other, getting the current token stability of an account and getting the overall supply of the token to be had at the community. Smart contracts that successfully enforce ERC-20 procedures are called ERC-20 Token Contracts, and help preserve song of the created tokens on Ethereum.[62] Numerous cryptocurrencies have released as ERC-20 tokens and were allotted through preliminary coin services.[sixty three] Fees to ship ERC-20 tokens need to be paid with Ether.

Non-fungible Tokens (NFTs)

Cyrus Adkisson demonstrates Etheria, the first NFT mission, stay at DEVCON 1 in London, November thirteen, 2015

Ethereum additionally allows for the creation of specific and indivisible tokens, referred to as non-fungible tokens (NFTs).[sixty four] Since tokens of this kind are particular, they were used to represent such things as collectibles, digital artwork, sports ethereum activities memorabilia, digital real estate, and items inside games.[sixty five] The first NFT venture, Etheria, a 3-D map of tradable and customizable hexagonal tiles, become deployed to the community in October 2015 and proven live at DEVCON1 in November of that yr.[66] In 2021, Christie’s sold a virtual image with an NFT by way of Beeple for $69.3 million, making him the 1/3-maximum valuable dwelling artist in terms of public sale expenses at the time.[67][68] Land, homes and avatars in blockchain-based digital worlds can also be offered and bought as NFTs, every so often for hundreds of heaps of greenbacks.[sixty nine]

Decentralized finance

The net interface to Compound Finance’s decentralized application in which users can lend and borrow cryptocurrencies for interest.

Decentralized finance (DeFi) is a use case of Ethereum.[70] It offers conventional economic gadgets in a decentralized architecture, out of doors of companies’ and governments’ manipulate, together with money marketplace finances which let customers earn interest.[71] Decentralized finance applications are usually accessed via a Web3-enabled browser extension or utility, consisting of MetaMask, which allows customers to directly interact with the Ethereum blockchain via a internet site.[seventy two][seventy three] Many of those DApps can join and work together to create complex monetary offerings.[seventy four]

Examples of DeFi structures encompass MakerDAO and Compound.[75] Uniswap, a decentralized exchange for tokens on Ethereum grew from $20 million in liquidity to $2.9 billion in 2020.[76] As of October 2020, over $11 billion became invested in various DeFi protocols.[seventy seven] Additionally, through a system known as “wrapping”, certain DeFi protocols allow synthetic variations of various property (such as Bitcoin, gold and oil) to become to be had and tradeable on Ethereum and also compatible with all of Ethereum’s most important wallets and applications.[77]

Enterprise software program

Ethereum-primarily based software and networks, independent from the public Ethereum chain, are being examined through corporation software organizations.[78] Interested parties encompass Microsoft, IBM, JPMorgan Chase,[44] Deloitte, R3, and Innovate UK (cross-border bills prototype).[79] Barclays, UBS, Credit Suisse, Amazon, Visa, and different organizations are also experimenting with Ethereum.[eighty][81][eighty two]

Permissioned ledgers

Ethereum-primarily based permissioned blockchain variants are used and being investigated for numerous initiatives.

In 2017, JPMorgan Chase proposed growing JPM Coin on a permissioned-variant of Ethereum blockchain dubbed “Quorum”.[eighty three] It is “designed to toe the line between non-public and public in the realm of shuffling derivatives and payments. The concept is to satisfy regulators who want seamless get entry to to economic goings-on while shielding the privacy of events that do not want to expose their identities nor the information of their transactions to the general public.”[eighty four]

The Royal Bank of Scotland has introduced that it has built a Clearing and Settlement Mechanism (CSM) primarily based at the Ethereum distributed ledger and clever settlement platform.


In Ethereum, all smart contracts are stored publicly on every node of the blockchain, which has expenses. Being a blockchain approach it is secure by design[explanation wished] and is an instance of a distributed computing system with excessive Byzantine fault tolerance. The disadvantage is that performance issues stand up in that every node is calculating all the smart contracts in real-time, resulting in lower speeds. As of January 2016, the Ethereum protocol ought to procedure approximately 25 transactions in line with 2d. In comparison, the Visa payment platform tactics forty five,000 bills in line with 2d main a few to impeach the scalability of Ethereum.[85] On 19 December 2016, Ethereum exceeded one million transactions in a single day for the primary time.[86]

Ethereum engineers had been working on sharding the calculations, and the following step (Ethereum 2) turned into offered at Ethereum’s Devcon 3 in November 2017.[87]

Ethereum’s blockchain makes use of Merkle bushes, for safety reasons, to enhance scalability, and to optimize transaction hashing.[88] As with any Merkle tree implementation, it permits for storage financial savings, set membership proofs (called “Merkle proofs”), and light customer synchronization. The network has faced congestion problems, inclusive of in 2017 in terms of Cryptokitties.[89]

References^ Shen, Lucinda (eight January 2018). “Ethereum Regains Title as Second Most Valuable Cryptocurrency Behind Bitcoin”. (Fortune). Fortune Media IP Limited. Archived from the unique on 9 July 2021.

^ Leising, Matthew; Kharif, Olga (23 November 2020). “Ethereum Races Clock to Collect Enough Coins for Big Upgrade”. Archived from the original on 23 November 2020.

^ a b “Ethereum Becoming More Than Crypto Coder Darling, Grayscale Says”. four December 2020.

^ Foundation, Ethereum (30 July 2015). “Ethereum Launches”. Retrieved 9 January 2020.

^ Popper, Nathaniel (19 June 2017). “Move Over, Bitcoin. Ether Is the Digital Currency of the Moment. (Published 2017)”. The New York Times.

^ “Vapor No More: Ethereum Has ethereum Launched”. TechCrunch.

^ Vigna, Paul (3 May 2021). “Ethereum Is Booming in the NFT Frenzy—So Is Network Congestion”. Wall Street Journal. ISSN 0099-9660. Retrieved five May 2021.

^ “There arevery real motives Ethereum is starting up”. Fortune. Retrieved 7 May 2021.

^ “Ethereum 2.0 Specifications”. Github. Retrieved 1 June 2020.

^ a b del Castillo, Michael. “Ethereum Cofounder Joe Lubin Talks Trump, Blockchain’s ‘Frankenstein’ And Willingness To Work With China”. Forbes. Retrieved 1 June 2020.

^ “White Paper· ethereum/wiki Wiki · GitHub”. Archived from the authentic on eleven January 2014.

^ a b Finley, Klint (27 January 2014). “Out in the Open: Teenage Hacker Transforms Web into One Giant Bitcoin Network”. Wired. Archived from the original on 18 March 2016. Retrieved 21 March 2016.

^ Schneider, Nathan (7 April 2014). “Code your own utopia: Meet Ethereum, bitcoin’s most formidable successor”. Al Jazeera. Archived from the original on 23 February 2016. Retrieved 21 February 2016.

^ Russo, Camila (14 july 2020). The countless machine : how an military of crypto-hackers is building the following internet with Ethereum (First ed.). New York, NY. pp. 40–44. ISBN 9780062886149.

^ Tapscott, Don; Tapscott, Alex (2016). The Blockchain Revolution: How the Technology Behind Bitcoin is Changing Money, Business, and the World. Portfolio. ISBN 978-0670069972.

^ a b c d e f Paumgarten, Nick (22 October 2018). “The Prophets of Cryptocurrency Survey the Boom and Bust”. The New Yorker. Retrieved four February 2019.

^ “The Uncanny Mind That Built Ethereum”. Wired. ISSN 1059-1028. Retrieved 4 May 2021.

^ “Company Overview of Ethereum Switzerland GmbH”. Bloomberg. 20 August 2016. Archived from the authentic on 20 August 2016. Retrieved 20 August 2016. The enterprise was based in 2014 and is based in Baar, Switzerland.

^ Dannen, Chris (sixteen March 2017). Introducing Ethereum and Solidity: Foundations of Cryptocurrency and Blockchain Programming for Beginners. Apress. p. 30. ISBN 978-1484225356. Retrieved 12 November 2018.

^ Ransom, Jan (2 December 2019). “He Gave a Cryptocurrency Talk in North Korea. The U.S. Arrested Him”. The New York Times. Archived from the unique on 22 November 2020. Retrieved 12 January 2021.

^ Vigna, Paul (31 July 2015). “BitBeat: Ethereum Opens Its ‘Frontier’ for Business”. The Wall Street Journal. Archived from the authentic on 6 September 2017. Retrieved 5 June 2017.

^ Gupta, Vinay (3 March 2015). “The Ethereum Launch Process”. Ethereum Foundation. Archived from the unique on 6 June 2017. Retrieved 5 June 2017.

^ Bashir, Imran (2020). Mastering Blockchain – Third Edition : a deep dive into dispensed ledgers, consensus protocols,… smart contracts, dapps, cryptocurrencies, ethereum. [S.l.]: Packt ethereum Publishing Limited. p. 312. ISBN 978-1839213199.

^ “Ether rallies to all-time high above $2,2 hundred beforehand of Coinbase list, Berlin difficult fork”.

^ “Crypto Coin Outperforming Bitcoin Is About to See Supply Reduced”. 7 March 2021.

^ Vigna, Paul (16 May 2016). “Chiefless Company Rakes in More than $a hundred Million”. The Wall Street Journal. Archived from the unique on 25 June 2017. Retrieved 14 May 2017.

^ a b Popper, Nathaniel (18 June 2016). “Hacker May Have Taken $50 Million From Cybercurrency Project”. The New York Times. Archived from the original on 20 June 2017. Retrieved 14 May 2017.

^ Price, Rob (17 June 2016). “Digital Currency Ethereum is Cratering Amid Claims of a $50 Million Hack”. Business Insider. Business Insider. Archived from the authentic on eleven June 2017. Retrieved 14 May 2017.

^ Peck, Morgan (19 July 2016). “”Hard Fork” Coming to Restore Ethereum Funds to Investors of Hacked DAO”. IEEE Spectrum: Technology, Engineering, and Science News. IEEE. Archived from the authentic on three March 2017. Retrieved 14 May 2017.

^ Leising, Matthew (thirteen June 2017). “The Ether Thief”. Retrieved 21 December 2018.

^ Popper, Nathaniel (27 February 2017). “Business Giants to Announce Creation of a Computing System Based on Ethereum”. The New York Times. Archived from the original on 20 June 2017. Retrieved 5 June 2017.

^ Peck, Morgan (2 March 2017). “Corporate Titans Unite to Build an Enterprise Version of the Ethereum Blockchain”. Institute of Electrical and Electronics Engineers (IEEE). Archived from the unique on 17 June 2017. Retrieved 5 June 2017.

^ “Enterprise Ethereum Alliance expands dramatically saying 86 new members” (PDF) (Press release). Enterprise Ethereum Alliance (EEA). 19 May 2017. Archived (PDF) from the original on 7 June 2017. Retrieved 5 June 2017.

^ “The Enterprise Ethereum Alliance Just Got A Whole Lot Stronger”. 19 July 2017.

^ “Sberbank joins Enterprise Ethereum Alliance to expand cooperation”(19 October 2017). Fintech Futures News. Retrieved 6 June 2018.

^ “That settles it: Visa is making life manner less complicated for crypto companies”. Fortune.

^ “Ethereum: Mastercard, UBS, and J.P. Morgan pour $65 million into crypto startup studio Consensys”. Fortune.

^ Dillet, Romain. “Justin Drake from the Ethereum Foundation is coming to Disrupt Berlin”. TechCrunch. Retrieved 18 August 2020.

^ Roberts, Jeff. “Ethereum, Bitcoin’s closest rival, faces its second of fact”. Fortune. Fortune Media IP Limited. Retrieved 12 October 2020.

^ “Ethereum Upgrade Adds to Crypto Mania Sparked with the aid of Bitcoin’s Surge”. 25 November 2020.

^ Browne, Ryan (1 December 2020). “The international’s 2nd-biggest cryptocurrency is getting a first-rate improve — here’s what you need to recognise”. CNBC.

^ a b Popper, Nathaniel (27 March 2016). “Ethereum, a Virtual Currency, Enables Transactions That Rival Bitcoin’s”. The New York Times. Archived from the authentic on 24 July 2016. Retrieved 2 September 2016.

^ Chavez-Dreyfuss, Gertrude (5 February 2021). “Ether seeks to get away bitcoin’s shadow with CME futures launch”. Reuters.

^ a b “Ethereum Upgrade Adds to Crypto Mania Sparked via Bitcoin’s Surge”. 25 November 2020.

^ Varshney, Neer (eleven June 2018). “Ethereum’s deliver has crossed 100M, here’s what meaning”. Hard Fork id=”cite_note-48″>^ “Account Types, Gas, and Transactions”.

^ “Introduction to Smart Contracts”.

^ a b Wood, Gavin (three February 2018). “Ethereum: A Secure Decentralized Generalised Transaction Ledger (EIP-a hundred and fifty)”. Archived from the original on three February 2018. Retrieved three February 2018.

^ Triantafyllidis, Nikolaos Petros (19 February 2016). “The Ethereum Project: Ethereum History”. Developing an Ethereum Blockchain Application (Report). University of Amsterdam. p. 20.

^ de Azevedo Sousa, José Eduardo (2020). “An analysis of the prices and pending time correlation in Ethereum” (PDF). International Journal of Network Management (e2113). Retrieved 14 October 2020.

^ “Update popularity EIP-1 in keeping with personal specification · ethereum/EIPs@db14da1”. GitHub. Retrieved 2 July 2018.

^ Becze, Martin; Jameson, Hudson. “Ethereum EIP-1 on Github”. GitHub. Retrieved 2 July 2018.

^ Antonopoulos, Andreas M.; Wood, Gavin (2018). Mastering Ethereum : constructing smart contracts and DApps (First ed.). Sebastopol, CA: O’Reilly Media, Inc. p. xxvii. ISBN 978-1491971949.

^ Benahmed, Daho (August 2020). “Crypto-Spatial AN Open Standards Smart Contracts Library for Building Geospatially Enabled Decentralized Applications on the Ethereum Blockchain”. ISPRS – International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. XLIII-B4-2020: 421–426. Bibcode:2020ISPAr43B4..421B. doi:10.5194/isprs-archives-XLIII-B4-2020-421-2020. Retrieved 14 October 2020.

^ Kharif, Olga (18 January 2019). “Ethereum’s Split Pushed Back Until After Valentine’s Day”. Bloomberg. Retrieved sixteen February 2020.

^ Business, Anneken Tappe, CNN. “Bitcoin? Ethereum? Dogecoin? Your guide to the biggest names in crypto”. CNN. Retrieved 22 April 2021.

^ Popper, Nathaniel (1 October 2017). “Understanding Ethereum, Bitcoin’s Virtual Cousin (Published 2017)”. The New York Times.

^ Peck, M. (28 May 2016). “Ethereum’s $one hundred fifty-Million Blockchain-Powered Fund Opens Just as Researchers Call For a Halt”. IEEE Spectrum. Institute of Electrical and Electronics Engineers. Archived from the authentic on 30 May 2016.

^ “Short Paper: Formal Verification of Smart Contracts” (PDF). Microsoft. Archived from the original (PDF) on 27 August 2016. Retrieved 25 August 2016.

^ a b “ERC-20 Token Standard”. 7 December 2020. Retrieved 23 March 2021.

^ Castillo, Michael del. “Ethereum’s First ICO Blazes Trail To A World Without Bosses”. Forbes.

^ Volpicelli, Gian (24 February 2021). “The bitcoin elite are spending tens of millions on collectable memes”. Wired UK.

^ Browne, Ryan (25 February 2021). “Why human beings are shopping for crypto art and sports memorabilia for lots of greenbacks”. CNBC.

^ “The Cult of CryptoPunks”. TechCrunch. Retrieved 10 July 2021.

^ “Christie’s receives digital with the artwork international’s non-fungible craze”.

^ Ostroff, Kelly Crow and Caitlin (11 March 2021). “Beeple NFT Fetches Record-Breaking $69 Million in Christie’s Sale”. Wall Street Journal.

^ “The ‘metaverse’ bet: crypto-wealthy investors snap up digital actual property”. Reuters. 19 April 2021. Retrieved 20 April 2021.

^ Schroeder, Stan. “DeFi should end up the following large factor in finance”. Mashable. Retrieved 25 July 2020.

^ Kauflin, Jeff. “Why Everyone in Crypto Is Talking About DeFi”. Forbes. Retrieved 25 July 2020.

^ Schroeder, Stan. “Crypto wallet MetaMask in the end launches on iOS and Android, and it helps Apple Pay”. Mashable.

^ “MetaMask’s Blockchain Mobile App Opens Doors For Next-Level Web”. 2 September 2020.

^ “Why ‘DeFi’ Utopia Would Be Finance Without Financiers: QuickTake”. Bloomberg. 26 August 2020. Retrieved 6 October 2020.

^ “Crypto soars again as traders embrace ‘DeFi’ and ‘yield farming’—but a few see echoes of the 2017 bubble”. Fortune. Retrieved 11 May 2021.

^ Konrad, Alex. “These Young Investors Are Still Betting Big On Crypto – And Are Taking Harvard And Stanford Along For The Ride”. Forbes. Retrieved 21 October 2020.

^ a b Ehrlich, Steven. “Leading ‘Privacy Coin’ Zcash Poised For Growth Following Placement On Ethereum”. Forbes.

^ “Big Business Giants From Microsoft to J.P. Morgan Are Getting Behind Ethereum”. Fortune. Archived from the authentic on 29 September 2017. Retrieved 8 November 2017.

^ “Settlement the use of blockchain to Automate Foreign Exchange in a Regulated environment (SAFER)”. Innovate UK. Archived from the unique on 4 May 2016.

^ Castillo, Michael del. “Blockchain 50”. Forbes.

^ “Beyond Bitcoin: These Cryptocurrencies Are Doing Even Better”. 3 December 2020.

^ “Visa and USDC Settlement: Insights from Circle, Visa, Anchorage, and”. Retrieved 17 April 2021.

^ “JP Morgan’s Quorum blockchain powers new correspondent banking network ” Banking Technology”. Archived from the authentic on 9 November 2017. Retrieved eight November 2017.

^ Hacket, Robert. “Why J.P. Morgan Chase Is Building a Blockchain on Ethereum”. Fortune. Archived from the unique on 2 February 2017.

^ Murphy, Hannah (19 October 2018). “The upward push and fall of Ethereum”. Financial Times. London: The Financial Times Ltd. Retrieved 19 October 2018.

^ Filiba, Jack. “Ethereum Breaks One Million Transactions in a Single Day”. Archived from the unique on 22 December 2017.

^ Galeon, Dom. “Ethereum’s Co-Founder Just Unveiled His Plan for the Future of Cryptocurrency”. Archived from the unique on nine November 2017.

^ Vitalik Buterin. “Merkling in Ethereum”.

^ Joon Ian Wong. “The Ethereum network is getting jammed up because humans are rushing to buy cartoon cats on its blockchain”.

External links

Wikimedia Commons has media related to Ethereum.Official internet site

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