Ethereum, the second largest cryptocurrency, is the house of sensible contracts and decentralized purposes (dApps), holding a serious share of the overall worth locked within the sector. Ethereum’s dominance within the dApp market was as much as 90% earlier than different rival platforms had been created.

Nonetheless, Ethereum continues to be the undisputed king of dApps. Regardless of its excessive charges, the platform continues to be the primary alternative for various purposes, starting from finance, exchanges, and storage to gaming, non-fungible tokens (NFTs), and governance. This reveals how far it has come since its whitepaper was printed in 2013.

This text highlights the timeline of main occasions that made Ethereum a favourite decentralized blockchain community for dApp builders and its journey to Proof-of-Stake.

2013: The Conception of Ethereum

Ethereum, like all issues, started with an thought. And the concept, which the Russian-born Canadian laptop programmer Vitalik Buterin conceived, was to leverage blockchain know-how to develop decentralized purposes, in contrast to Bitcoin, which was strictly created for monetary use.

Ethereum’s introductory paper was printed in late 2013 by Buterin, the co-founder of Bitcoin Journal. The whitepaper defined the idea of the brand new know-how, its basic ideas, and its potential use circumstances. However the undertaking wouldn’t launch till two years later.

On January 23, 2014, Buterin formally announced the beginning of the Ethereum ecosystem, calling on volunteers, builders, traders, and evangelists to hitch the undertaking. The programmer revealed that he was working with Gavin Wooden and Jeffrey Wilcke as main core builders to construct the platform. Different founding staff members embrace Anthony Di Iorio, Joseph Lubin, and Charles Hoskinson.

Buterin additionally famous that his staff’s objective was to supply a “platform for decentralized purposes – an android of the cryptocurrency world, the place all efforts can share a standard set of APIs, trustless interactions and no compromises.”

Three months later, Wooden printed the undertaking’s “Yellow Paper,” which supplied an in depth definition and specification of the Ethereum ecosystem, together with Ethereum Digital Machine (EVM), payment rewards for miners, and sensible contracts. He additionally performed a vital position in creating Ethereum’s prototype by serving to to code the undertaking’s first practical implementation into seven programming languages.

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2014’s Crowdfunding: $18M Value of BTC Funded Ethereum

Ethereum builders wanted giant funding to construct the undertaking. So the staff determined to lift capital from public traders by means of an preliminary coin providing (ICO) that lasted for 42 days, from July 20 to September 2, 2014.

In June 2014, the undertaking established the Ethereum Basis, a Swiss-based non-profit group, to handle the authorized and advertising and marketing efforts of the ICO marketing campaign. The Basis created a complete of 60 million ether (ETH), the native cryptocurrency of the Ethereum ecosystem, for public sale. The corporate bought 2,000 ether per bitcoin (BTC) for the primary two weeks of the ICO and 1,399 ETH per BTC for the rest of the token sale occasion.

Apparently, the Basis bought over 50 million tokens throughout the first 14 days of the crowdfunding, and by the top of the marketing campaign, the undertaking raised a complete of 31,531 BTC, price greater than $18 million. This made Ethereum’s crowdfunding the fifth most profitable ICO in crypto historical past (again then).

The non-profit additionally created one other 12 million ETH, bringing the overall quantity of minted ether to 72 million. The corporate mentioned the extra tokens can be used for advertising and marketing and different developmental actions.

2015: The Beginning of Ethereum

About two months after the crowdfunding, ETH DEV organized Ethereum’s first occasion, dubbed DEVCON-0, which hosted Ethereum builders worldwide to debate the protocol’s safety and scalability.

In April 2015, the Basis launched its first grant program, DEVgrant, to help the perfect initiatives on the Ethereum ecosystem forward of the platform’s pre-launch, and this system continues to be operating to this point.

On Could 2015, the Ethereum growth staff launched Olympic, a take a look at model of the community, which targeted on 4 areas – transaction exercise, digital machine utilization for sensible contract execution, mining prowess, and stress testing. The Basis rewarded testers with 2,500 ETH and different prizes in every class of the testing stage.


After the Olympic testing part, Ethereum formally went stay on July 30, 2015, almost two years after Buterin printed the undertaking’s whitepaper. The undertaking’s first public launch, generally known as Frontier and geared toward builders and technical customers, marked a major milestone for the staff. It was the start of a brand new blockchain ecosystem for decentralized purposes of every kind, regardless that the protocol would later bear a collection of upgrades because it matured.

Like Bitcoin, the newly launched protocol adopted a proof-of-work (PoW) consensus mechanism. Ethereum created its first block (genesis block) by means of Frontier, and the block contained 8,893 ether transactions to totally different wallets, with a block reward of 5 ETH. Ether had no worth throughout this era as there was no marketplace for it but. Traders who participated in ICO had been nonetheless HODLing their tokens.

Ethereum’s Ice Age 

The Ethereum growth staff launched the Ice Age and, with it – the issue bomb on September 7, 2015, at block 200,000. It’s a issue adjustment scheme designed to extend mining issue on the community after each 100,000 blocks, thus making it unimaginable for miners to maintain up with the rising issue degree. This might make the community freeze over time, therefore the identify “Ice Age.”

The function was applied to make sure there can be consensus within the ecosystem on future upgrades that may transition Ethereum to a proof-of-stake (PoS) consensus community.


On March 14, 2016, at block 1150000, the staff launched an improve dubbed “Homestead,” almost a 12 months after Frontier went stay. The brand new launch got here with GUI, thus making the platform helpful for non-technical customers.

The fork additionally enhanced the platform with Ethereum Enchancment Proposals (EIP), which ensured the platform might run future upgrades.

The DAO Assault of 2016: 3,600,000 ETH Stolen

On April 30, 2016, a Decentralized Nameless Group (DAO) was created on Ethereum at block 1428757. The DAO raised $150 million price of ether from over 11,000 traders, however little did anybody know the success wouldn’t final.

A decentralized autonomous organization (DAO) is just like an organization’s board of administrators, besides that DAO members are nameless, and their voting rights are decided by the variety of tokens vested.

Barely three months after its launch, the DAO was hacked as a result of its developer deployed the undertaking with out cautious auditing. The attacker moved about 3.6M ETH, price $60 million at the moment, from the platform, which led to a controversial forking of the Ethereum community to recuperate the stolen belongings.

The incident gave Ethereum its first actual existential menace since DAO’s failure would have devastating penalties for the budding blockchain community along with monetary losses for traders as a result of the DAO had turn out to be one of many largest initiatives on Ethereum.

The Ethereum group tried a gentle fork to keep away from making everlasting adjustments to the blockchain, however that didn’t work. A tough fork was then applied, and the funds had been restored and returned to traders.

A tough fork means completely deviating from a blockchain’s newest model to improve or orphan the previous chain. Laborious forks are normally carried out by individuals who want to create a brand new token or chain that runs on totally different guidelines.

Ethereum’s laborious fork after the DAO assault created a brand new blockchain. The unique community was rebranded as Ethereum Basic, whereas the brand new chain retained the identify – Ethereum.

It’s price noting that Ethereum would later bear a number of laborious forks. Nevertheless, in contrast to the DAO occasion, none resulted in a controversial chain cut up besides the 2022 Beacon Chain improve, which transitioned Ethereum to a PoS consensus mechanism. Different important upgrades on the community embrace the Tangerine Whistle, Spurious Dragon, Byzantium, and Constantinople.

2020: The Ethereum Scalability Points

After surviving the DAO incident, Ethereum’s subsequent main problem was its scalability situation. Like Bitcoin, the Ethereum blockchain faces the Blockchain Trilemma, an idea first utilized by Buterin whereas describing the core features of a decentralized blockchain community.


The Ethereum co-founder acknowledged that safety, decentralization, and scalability are the three fascinating components of a blockchain community. Nevertheless, it’s tough for a blockchain to have environment friendly ranges of all three options concurrently. In different phrases, it should compromise one core function to optimize for the opposite two.

By late 2017, Ethereum had turn out to be a favourite sensible contract platform for dApp builders. The community additionally loved euphoria from the bull market that 12 months, with the blockchain recreation CryptoKitties pulling crowds into the Ethereum ecosystem. This resulted in community congestion, with transactions taking longer to substantiate and fuel charges capturing by means of the roof.

The scaling points on Ethereum created a marketplace for off-chain scaling merchandise akin to Polygon.

You could find out extra about Layer2 scaling options on this in-depth article.

The DeFi growth of 2020 and 2021 didn’t make issues straightforward for Ethereum. Whereas the blockchain continued to report a major adoption price, common customers had been plagued with excessive fuel charges, thus creating the necessity for customers to kind out cheaper alternate options akin to BNB Chain and Tron.

To resolve its scalability points, Ethereum applied an improve in December 2020, marking the beginning of the community’s transition from PoW to PoS. The improve required 16,384 deposits of 32 staked ETH within the contract tackle earlier than it was applied.

Proof-of-stake is a blockchain consensus mechanism that verifies crypto transactions and creates new blocks by means of randomly chosen validators, in contrast to PoW, which requires miners to unravel mathematical puzzles. In PoS, validators should stake their cash earlier than they’re allowed to confirm transactions on the community.

PoS is a safer and energy-efficient consensus mechanism than proof-of-work structure. In line with the Ethereum Basis, proof-of-stake can also be higher for implementing new scaling options, which Ethereum wants greater than ever.

The improve created a separate PoS chain referred to as the Beacon Chain, which ran parallel to the Ethereum PoW Mainnet. Each chains would then merge to type a single community referred to as Ethereum 2.0 or ETH 2.0. Nevertheless, the Basis rebranded the brand new identify to “Consensus Layer,” noting that ETH2 gave the impression of a brand new working system, which was not the case. The rebrand was additionally a part of the Basis’s effort to stop customers from being victims of scams akin to swapping ETH for ETH2.

2022: The Ethereum Merge

The Ethereum growth staff launched a number of updates after the launch of the Beacon Chain in preparation for the Merge. A few of these upgrades had been Altair and Bellatrix.

The exact clarification, as supplied by the Ethereum Basis, is:

“The Merge represents the becoming a member of of the present execution layer of Ethereum (the mainnet we use right this moment) with its new proof-of-stake consensus layer – the Beacon Chain.”

Supply: Ethereum Basis

The Ethereum Merge was applied with an improve referred to as “Paris” at block 15537393 on September 15, 2022. On the time of the improve, over 13.4 million ETH cash had been staked on the deposit contract. The fork noticed Ethereum’s transition to a PoS consensus almost two years after the Beacon genesis.

So what occurred to Ethereum’s PoW miners after the Merge? The Ethereum community was forked to create a separate chain (just like Ethereum Basic). The blockchain known as proof-of-work Ethereum (ETHW), and it permits miners to proceed verifying blocks by fixing advanced mathematical puzzles for ETH rewards.

You may check out our full information on the Merge here.

The Future: What’s Subsequent After the Merge?

With the Merge efficiently applied, the subsequent main improve on Ethereum is Sharding, a multi-phase improve designed to enhance the protocol’s scalability and general capability. This is named an on-chain scaling resolution.

Sharding will work synergistically with layer2 rollups whereas splitting all the Ethereum community into unbiased partitions referred to as shards, thus bettering the community’s throughput by as much as 1000x. Other than scalability, Sharding will introduce different advantages to Ethereum, akin to extra community participation and improved decentralization.

The improve is predicted to be totally applied round 2024 or past. Because of this till then, Ethereum will possible proceed to depend upon off-chain scaling options akin to layer 2 and sidechains.


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