Ethereum's Merge became final on Sept. 15, 2022. Seven developers are here to tell you why they believe it made Ethereum more sustainable, energy-efficient, and democratic.
Since the founding of Ethereum in 2015, an animating question that plagued the community was answered at exactly 06:42:59 UTC on Thursday, Sept. 15, 2022.
Ethereum, the technological layer where a new class of applications and self-organizing organizations are being built, eliminated its reliance on an energy-intensive consensus mechanism called proof-of-work (PoW) to a more sustainable and secure consensus mechanism called proof-of-stake (PoS).
In what has been described as one of the most significant milestones in blockchain history, the Merge has set the template for how Ethereum will continue to be the most powerful, most used, most credibly neutral, and most energy-efficient blockchain network globally.
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The Merge is one of those historical moments where decades from now, people are going to remember what they were doing, where and with whom, whether they were part of the 41,000+ people who tuned in as blocks finalized or all the physical gatherings worldwide aimed to celebrate the occasion, which also saw Ethereum go from somewhat random Ethereum block times to predictable 12-second intervals.
More than 120 developers from all corners of the globe, connected only by their Wi-Fi signal and a passion for developing what they believe is the future of the internet, have come together to design and implement the Ethereum Merge. Their collective action to enact what is likely the largest decarbonization of any industry in history provides a compelling model that future industry and social overhauls might adopt.
Diversity and openness on the blockchain
One ethos that runs throughout the Ethereum ecosystem is its diversity and openness. As a result of the Merge, Ethereum has laid the foundation for a successful transition from a monolithic blockchain to a more modular blockchain that incorporates several execution layer clients, consensus layer clients and layer-2 networks. This robust architecture ensures a healthy and scalable network where rewards for participation are more equitably distributed.
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PoS not only democratizes network participation by requiring lower resource requirements for validator nodes but is also constructed such that economies of scale do not apply in the same way they do for PoW mining. While there will still be players with more nodes, running one will be less compute-intensive, and each node will have an equal chance at rewards.
In addition to a very diverse system, the technical barriers to scalability are removed. Unlike PoW, with PoS, Ethereum can efficiently partition data processing and reach scale and throughput developers expect from a database or cloud service. This makes Ethereum more egalitarian and radically evolved to support the next generation of Web3 creators and developers.
A greener Ethereum
Ethereum is the first time in history that a technology of its scale has reduced its emissions through innovation and redesign, not carbon credit offsets.
Ethereum, in the past, has sacrificed sustainability and scalability due to its chosen security mechanism. This tradeoff was at odds with the adoption levels the chain has seen. However, with the shift to PoS, Ethereum has become the most popular carbon-friendly blockchain, reducing its network’s electricity consumption and carbon footprint by over 99.988% and 99.992%, respectively.
With a more sustainable Ethereum, artists no longer need to contend with ethical decisions around the energy usage of PoW systems or even offset their nonfungible tokens (NFTs) with carbon credits. Ethereum is now the most sustainable home for the NFT revolution to thrive.
An improved security model for protecting blockchains
One overlooked feature in the security guarantees that proof-of-stake offers is that 51% attacks are exponentially more costly for anyone attempting them than on PoW. For example, if someone has the means to perform a 51% attack on a PoW network, these attacks can be continued even after a soft fork.
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But in Ethereum PoW, baked into the code is something called “slashing.” With slashing, when a validator is caught acting provably destructively, the validator is forced to exit, penalizing some or all of its financial stake. The result is that an attacker cannot attack the chain without incurring a significant financial loss. PoW does not have an equally impactful in-protocol financial disincentive.
The future
Today, more than ever, there is a heightened sense of disempowerment. People feel disconnected and powerless over the decisions that govern their lives. Time and time again, actors enshrined with responsibility have failed; trust has been broken, and there seems to be no way forward.
Ethereum promises to flip the power dynamics and empower the individual by allowing any individual, enterprise or government to run validators, trustlessly build applications or coordinate themselves; it enables a sense of ownership, confidence and trust that is harder to achieve in systems that are widely adopted in society today.
The Merge strongly signals that Ethereum is for everyone to sustainably create value without sacrificing security, energy efficiency and democratized access.
We hope that this example of collaboration of hundreds of developers from all over the world, often working voluntarily, to improve a public good could inspire other industries.
This article is for general information purposes and is not intended to be and should not be taken as legal or investment advice. The views, thoughts, and opinions expressed here are the authors’ alone and do not necessarily reflect or represent the views and opinions of Cointelegraph.
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