The History of Ethereum.
The Blockchain That Changed Crypto
Ethereum has one of the most fascinating stories in cryptocurrency. It started with an ambitious idea: What if blockchain technology could do more than simply send money from one person to another?
Then came a massive hack, a controversial decision, and a split that created Ethereum (ETH) and Ethereum Classic (ETC).
Today, Ethereum sits at the center of DeFi, stablecoins, NFTs, tokenization, and thousands of blockchain applications. But Ethereum also has one feature almost every user eventually complains about: gas fees.
Here’s how we got here.
Bitcoin Came First. Ethereum Had a Different Idea.
Bitcoin launched in 2009 with a revolutionary concept: digital money that could move around the world without requiring a bank or central government to control it.
A few years later, a young programmer named Vitalik Buterin began thinking bigger. Buterin believed blockchain technology could be used for much more than money.
In 2013, while still a teenager, he published the Ethereum whitepaper proposing a blockchain capable of running programmable agreements called smart contracts.
Instead of simply asking, “Can I send you digital money?”, Ethereum could ask, “Can we create an agreement that automatically executes when certain conditions are met?”
That was a huge leap.
Ethereum officially launched in July 2015.
Who Created Ethereum?
Vitalik Buterin became the most recognizable face of Ethereum, but he didn’t build it alone.
Ethereum’s early founders and contributors included Gavin Wood, Joseph Lubin, Jeffrey Wilcke, Mihai Alisie, Anthony Di Iorio, Amir Chetrit, and Charles Hoskinson, among others.
Gavin Wood played an especially important technical role. He authored Ethereum’s Yellow Paper and helped develop Solidity, the programming language that became synonymous with Ethereum smart contracts.
Joseph Lubin later founded Consensys. Charles Hoskinson eventually left Ethereum and became a founder of Cardano. But Vitalik remained Ethereum’s best-known technical and philosophical leader.
One important distinction: Vitalik Buterin isn’t the CEO of Ethereum. There is no Ethereum CEO.
Ethereum is an open-source network supported by developers, researchers, validators, companies, users, and organizations such as the Ethereum Foundation.
Then Everything Nearly Fell Apart
In 2016, Ethereum was barely a year old when one of the biggest events in crypto history occurred.
A project called The DAO — Decentralized Autonomous Organization — had been created on Ethereum.
The concept was groundbreaking. Instead of having traditional executives deciding where money should be invested, participants could pool ETH together and use smart contracts and voting to determine how the capital would be deployed.
People loved the idea. Investors poured roughly 12.7 million ETH into The DAO, worth around $150 million at the time.
Then someone found a weakness in its code.
The DAO Hack
On June 17, 2016, an attacker exploited a vulnerability in The DAO’s smart contract and began draining ETH. Approximately 3.6 million ETH was affected.
There’s an important distinction that often gets lost when this story is told:
Ethereum itself wasn’t hacked. The DAO smart contract running on Ethereum was exploited.
But that distinction didn’t make the problem disappear. A huge amount of ETH was now controlled by an attacker, and the Ethereum community had to make an extremely difficult decision.
“Code Is Law”
Blockchain is supposed to be immutable. Once a transaction happens, it happens.
You don’t call Visa. You don’t call your bank. There isn’t supposed to be a manager who hits the UNDO button.
One side of the Ethereum community argued that changing the blockchain to recover the funds would violate one of cryptocurrency’s most important principles:
Code is law.
If the smart contract allowed the transaction, they argued, then the blockchain’s history shouldn’t be changed afterward simply because people didn’t like the result.
The other side had a different opinion. They believed an obvious software vulnerability had been exploited and that allowing an attacker to walk away with millions of ETH could destroy confidence in the young Ethereum ecosystem.
Eventually, the majority supported a controversial solution: hard fork Ethereum.
And that’s when one Ethereum became two.
ETH vs. ETC: The Great Split
In July 2016, Ethereum executed a hard fork designed to allow the DAO funds to be recovered.
Most developers, users, and infrastructure followed the new fork. That blockchain became the Ethereum ecosystem we know today:
Ethereum — ETH
But not everyone agreed.
A smaller group refused to accept the change. They continued running the blockchain containing the original, unaltered transaction history.
That blockchain became:
Ethereum Classic — ETC
This leads to an interesting piece of crypto history. People sometimes say:
“Ethereum Classic was the original Ethereum.”
There’s truth to that, but it needs context.
ETC preserves the unforked history of the original Ethereum chain, including the DAO transactions. ETH is the chain that implemented the hard fork and ultimately received the overwhelming majority of developer, application, and institutional adoption.
There’s another correction worth making: ETC itself wasn’t what originally got hacked.
The DAO smart contract was exploited while operating on the original Ethereum network. The names Ethereum and Ethereum Classic became distinct only after the community split.
That 2016 argument remains one of the most important philosophical debates in cryptocurrency history:
Should a blockchain ever change its history—even to correct a massive exploit?
Ethereum said yes.
Ethereum Classic said no.
ETH Won the Adoption Battle
The market ultimately made its preference fairly clear.
Most developers continued building on Ethereum. More applications arrived. More capital arrived. More users arrived.
Ethereum became the foundation for something much larger than anyone imagined in 2015: DeFi.
Decentralized finance allows people to lend, borrow, trade, and provide liquidity using smart contracts rather than relying exclusively on traditional financial institutions.
Protocols such as Aave, Uniswap, and others demonstrated that financial services could operate directly on blockchain infrastructure.
Then came stablecoins.
Then NFTs.
Then DAOs.
Then tokenization.
Today, Ethereum is less like a single cryptocurrency and more like a financial operating system upon which other assets and applications can be built.
Why Is ETH Actually Needed?
This is where Ethereum becomes especially interesting.
ETH isn’t simply a coin people buy hoping the price increases. ETH helps power the Ethereum network.
It is used to pay transaction fees, execute smart contracts, secure Ethereum through staking, transfer value, provide collateral within DeFi, and interact with decentralized applications.
Ethereum therefore created something very different from Bitcoin.
Bitcoin is largely focused on being a decentralized monetary asset and settlement network. Ethereum was designed to be programmable infrastructure.
And that brings us to Ethereum’s famous three-letter word:
GAS
If you’ve ever used Ethereum, you probably know exactly what we’re talking about.
Every time you perform an operation on Ethereum, the network has to process that operation. That computation costs money.
That cost is called gas.
Send ETH? Gas.
Swap one token for another? Gas.
Interact with a DeFi lending protocol? Gas.
Move an NFT? Gas.
Execute a complicated smart contract? Possibly a lot of gas.
Why Can Ethereum Gas Fees Get Expensive?
Ethereum has limited block space. When lots of people want to use the network simultaneously, they’re essentially competing for that space.
Greater demand can mean higher transaction fees, and complicated smart-contract transactions require more computational work than simply transferring ETH from one wallet to another.
This has produced one of Ethereum’s strangest user experiences: You might have $100 worth of crypto you want to move, only to discover that the transaction fee makes the move hardly worth doing.
Not exactly the financial revolution people imagined.
Gas fees have therefore been one of Ethereum’s biggest weaknesses—and one of the biggest opportunities for competing blockchains.
Networks such as Solana and others have aggressively competed on speed, scalability, and transaction costs.
Why Is ETH Actually Needed?
This is where Ethereum becomes especially interesting.
ETH isn’t simply a coin people buy hoping the price increases. ETH helps power the Ethereum network.
It is used to pay transaction fees, execute smart contracts, secure Ethereum through staking, transfer value, provide collateral within DeFi, and interact with decentralized applications.
Ethereum therefore created something very different from Bitcoin.
Bitcoin is largely focused on being a decentralized monetary asset and settlement network. Ethereum was designed to be programmable infrastructure.
And that brings us to Ethereum’s famous three-letter word:
GAS
If you’ve ever used Ethereum, you probably know exactly what we’re talking about.
Every time you perform an operation on Ethereum, the network has to process that operation. That computation costs money.
That cost is called gas.
Send ETH? Gas.
Swap one token for another? Gas.
Interact with a DeFi lending protocol? Gas.
Move an NFT? Gas.
Execute a complicated smart contract? Possibly a lot of gas.
Why Can Ethereum Gas Fees Get Expensive?
Ethereum has limited block space. When lots of people want to use the network simultaneously, they’re essentially competing for that space.
Greater demand can mean higher transaction fees, and complicated smart-contract transactions require more computational work than simply transferring ETH from one wallet to another.
This has produced one of Ethereum’s strangest user experiences: You might have $100 worth of crypto you want to move, only to discover that the transaction fee makes the move hardly worth doing.
Not exactly the financial revolution people imagined.
Gas fees have therefore been one of Ethereum’s biggest weaknesses—and one of the biggest opportunities for competing blockchains.
Networks such as Solana and others have aggressively competed on speed, scalability, and transaction costs.
Ethereum’s Answer: Layer 2
Ethereum’s strategy isn’t simply to cram every transaction onto the main Ethereum blockchain.
Instead, much of the ecosystem has moved toward Layer 2 networks.
Layer 2 systems can process large numbers of transactions more efficiently and then use Ethereum as an underlying settlement and security layer.
Think of it this way:
Ethereum becomes the financial highway. Layer 2 networks become the express lanes.
The objective is to keep Ethereum’s security while making everyday transactions dramatically cheaper and faster.
Then Ethereum Changed Again
Ethereum originally operated using Proof of Work, similar to Bitcoin. That meant miners used computing equipment and electricity to secure the network.
But in September 2022, Ethereum completed one of the most ambitious technological upgrades in crypto history:
The Merge.
Ethereum transitioned from Proof of Work to Proof of Stake.
Instead of miners securing Ethereum, validators stake ETH to help validate transactions and secure the network.
The change dramatically reduced Ethereum’s energy consumption and made staking an important part of ETH’s economics.
Why Ethereum Matters Today
Ethereum’s biggest contribution may not ultimately be ETH’s price.
It may be the idea Ethereum proved was possible:
Money can be programmable. Loans can be programmable. Collateral can be programmable. Ownership can be programmable. Trading can be programmable.
Financial agreements can potentially execute automatically without requiring a traditional intermediary to approve every step.
That concept helped create the modern DeFi industry.
And as traditional financial institutions increasingly experiment with tokenized assets, stablecoins, and blockchain settlement, Ethereum’s original idea looks increasingly significant.
Ethereum’s Story Isn’t Finished
Ethereum began as an idea from a teenager who thought Bitcoin’s blockchain could do more.
It survived one of crypto’s most controversial hacks. That crisis divided the network into Ethereum Classic (ETC) and Ethereum (ETH).
ETH became the dominant ecosystem.
Ethereum then helped launch DeFi, NFTs, stablecoins, DAOs, and tokenized assets. It completely changed its consensus mechanism through The Merge.
And today, developers are still trying to solve one of its biggest headaches: gas fees and scalability.
Ethereum certainly isn’t perfect. It has competition. It can be complicated. And sometimes the gas fee makes you wonder whether your transaction needs its own mortgage.
But Ethereum proved something extraordinarily important.
Bitcoin showed the world that money could exist without a bank.
Ethereum asked an even bigger question:
What if much of the financial system could too?
That question is still being answered.