Alexandra is a Senior Content Editor at Techopedia with 10+ years of experience in covering tech, finance, and crypto industries. Previously, Alex served as a…
Over 10 years ago, in 2014, 20-year-old Vitalik Buterin published a whitepaper outlining a bold vision: to “create an alternative protocol for building decentralized applications.”
One year later, following an initial coin offering (ICO) and millions of dollars’ worth of ETH tokens sold, Ethereum launched – ushering in a new era for blockchain technology.
What began as an experimental smart contract platform soon transformed into the foundation for an entire decentralized economy, powering everything from decentralized finance (DeFi), non-fungible tokens (NFTs), decentralized autonomous organizations (DAOs), and Layer-2 (L2) innovation.
Ahead of Ethereum’s 10th anniversary, Techopedia is rounding up some of the blockchain’s key “firsts.”
How Would You Describe Ethereum in One Word? Back in 2015 & Today
Ethereum’s Success Was Inevitable, but Never Guaranteed
When Ethereum launched in 2015, it emerged as one of the most ambitious blockchain projects to date.
With its creators claiming it to be a “World Computer,” Ethereum promised to deliver what Bitcoin (BTC) never could – a fully programmable, decentralized platform for building decentralized applications (dApps), running smart contracts, and experimenting with new financial concepts.
Speaking with Techopedia, Petr Kozyakov, the CEO and co-founder of Mercuryo, noted that back in 2015, many in the industry saw the potential of what Ethereum could achieve, but few anticipated the degree of its influence.
Kozyakov said:
“Looking back, it’s difficult to say if I fully expected Ethereum to become as influential as it is today. We saw that the architecture was elegant and the developer community was strong, and those were clear signs of potential. But the scale of what it’s become, the network effects, the global adoption, the cultural impact, has gone far beyond what most of us imagined back in 2015. It’s been incredible to watch it unfold.”
Back in 2015, the technology and use case for a scalable and programmable chain that would do everything Bitcoin could and more seemed like an “obvious” solution, Kevin Rusher, the founder of Ethereum-based Real World Asset (RWA) lending and borrowing ecosystem RAAC, said.
However, Rusher also added that the protocol’s success “was never guaranteed.”
“Nonetheless, first mover advantage was maintained and Ethereum has consistently innovated and improved its design while maintaining the ethos and decentralization,” Rusher said.
Ethereum 10th Anniversary: Key Milestones
From navigating forks and incredibly high gas fees to delivering major ecosystem upgrades like the Merge and Pectra, Ethereum’s past decade has been nothing short of eventful.
What are some of the key events that helped to forge the ecosystem the way we know it today?
May 7, 2025: Pectra Upgrade
On May 7, 2025, Ethereum launched the Pectra upgrade, its largest and most significant update since executing the Merge in 2022.
Pectra, which is the shortened name for two separate upgrades to Ethereum’s execution and consensus layers – Prague and Electra – brought a number of changes to the protocol. These included improved user experience by enabling batched transactions, gas fee payments in any token, and better wallet functionality.
According to Charles Wayn, the co-founder of Web3 growth platform Galxe, the upgrade also addressed chronic gas fees “that crippled the chain during DeFi summer of 2021.”
March 13, 2024: Dencun Upgrade
Another dual-layer upgrade, Deneb and Cancun, collectively known as Dencun, went live on March 13, 2024.
Dencun significantly lowered the transaction fees of L2s and boosted the protocol’s scalability.
Speaking about both the Pectra and Dencun upgrades, as well as the launch of EIP-1559 (in August 2021 alongside the London upgrade), DeFi and NFTs, Mercuryo’s Kozyakov highlighted that such events have played a “big role” in helping shape Ethereum into what it is today.
Kozyakov told Techopedia:
“These changes have made the network more efficient and scalable. They are able to support everything from digital art to stablecoins and cross-border payments.”
September 15, 2022: The Merge
Perhaps Ethereum’s most notable upgrade to this day, the Merge marked a historic moment in the protocol’s history so far.
The Merge marked Ethereum’s transition from a Proof-of-Work (PoW) consensus mechanism to Proof-of-Stake (PoS). This helped reduce its energy consumption by around 99.95% and eliminated the need for energy-intensive mining.
Following the Merge, the Ethereum network could be secured using staked ETH tokens.
According to Amir Forouzani, the co-founder of Puffer Labs, an innovation protocol in Ethereum infrastructure, the Merge was “one of the biggest successful upgrades” within Ethereum’s ecosystem.
Forouzani told Techopedia:
“It was like changing an airplane engine while it is flying. We have seen institutions forking or adopting Ethereum’s engine, making Ethereum the default programmable money infrastructure.”
August 5, 2021: London Upgrade
Another notable upgrade in the Ethereum ecosystem took place on August 5, 2021: the London upgrade, which introduced EIP-1559, a token burning mechanism that helped reduce the protocol’s incredibly high gas fees.
This reduced the total ETH token supply over time and added a deflationary element to the ecosystem.
October 16, 2017: Byzantium Upgrade
The Byzantium hard fork was Ethereum’s first major step toward privacy and scalability, introducing support for zk-SNARKS – a foundational technology behind private transactions and zk-rollups today.
July 20, 2016: The DAO Hack & Hard Fork
On July 20, 2016, the Ethereum ecosystem witnessed its very first major security incident, the infamous DAO hack, which had reshaped the network’s future and led to a contentious hard fork.
At the time, the DAO, a crowdfunded venture fund built on Ethereum, raised over $150 million in ETH tokens. However, due to a vulnerability in its smart contract, an attacker drained over 3.6 million ETH tokens, worth around $60 million at the time, by triggering withdrawals before balances were updated.
The incident led to a hard fork, which returned the stolen funds to their rightful owners but split the community, giving birth to two chains: Ethereum (ETH) and Ethereum Classic (ETC), and marking a defining moment in the platform’s history.
Speaking of Ethereum’s many firsts, Steven Pu, the co-founder of the fully Ethereum Virtual Machine Compatible network, Taraxa, noted that the DAO hack, as well as the first subsequent hard-fork rollback, had “sparked intense discussion over the nature of decentralization and governance.”
July 30, 2015: First Ethereum Genesis Block Mined
Ethereum officially went live on July 30, 2015, with the mining of its genesis block.
Ethereum’s token ETH started trading at a price of $0.311 during its initial coin offering (ICO) in the summer of 2014. This price was established during a crowdfunding campaign where over 60 million Ether were sold.
Ethereum price reached an all-time high of $4,891.70 on November 16, 2021. The surge was driven by a building DeFi growth, the NFT boom, rising institutional interest, and anticipation of Ethereum 2.0 upgrades.
Ethereum’s Future: A Call for Principled Decentralization
During Vitalik Buterin’s speech at EthCC this year in Cannes, the protocol’s co-founder noted that Ethereum’s initial promise of decentralization could become an empty if it is not actively backed by concrete user guarantees.
Amidst growing mainstream and corporate adoption, Buterin stressed that many decentralized systems may conceal some centralized components or vulnerabilities.
Mercuryo’s Kozyakov said:
“Balancing the promises of decentralization with onboarding more users and attracting large institutions will always be challenging. In my view, Ethereum’s focus should remain on making the technology as accessible as possible… What truly makes Ethereum strong goes beyond its technology; it is the values that underpin it. Those values need to be carefully protected to ensure Ethereum’s continued success.”
SSV Labs’ co-founder, Alon Muroch, added that the “average retail investor” may not fully grasp the value proposition of decentralization, which is something Ethereum needs to communicate better.
“Customers are drawn to compelling stories and apps that solve real problems; if Ethereum-aligned projects can begin to find the use cases that will bring people into crypto, we’ll show users what decentralization can do for them, not just build products for people who already got the message. Give people a reason to care!”
Galxe’s Wayn highlighted that the influx of institutional investment going into DeFi via Ethereum, especially through BlackRock, could also present a duality.
While some crypto natives could see the heightened interest from traditional investors as a “corruption of the decentralized dream,” such significant moves also point toward growth and utility.
“Future challenges will likely continue to center around scalability, speed, and interoperability; challenges the Ethereum foundation will never be done tackling,” Wayn concluded.
The Bottom Line
Even 10 years after the first genesis block was mined, Ethereum continues to drive blockchain innovation.
Its legacy lies in inspiring a global movement toward open, decentralized systems. If it were not for Ethereum, we might have never experienced a crypto ecosystem like the one we have today.
Ethereum enabled contracts and programmable money, going beyond Bitcoin’s capabilities and introducing new ideas into what blockchain technology can achieve. This made the protocol a foundation layer for decentralized finance, the non-fungible token boom, and Layer-2 scaling solutions.
