This article was first published on TurkishNY Radio.
Vitalik Buterin is asking the Ethereum community a difficult question now that the technology is finally catching up with long-held promises: What will people actually do with it?
In recent posts and interviews, Buterin reflected on Ethereum’s progress through 2025 and made a bold claim the long-debated blockchain trilemma is no longer an excuse.
According to him, Ethereum can now scale without giving up decentralization or security. The uncomfortable part, he says, is that technical success does not guarantee ethical outcomes.
Ethereum Scalability Trilemma Shifts From Limits to Live Code
For years, developers accepted the idea that blockchains must sacrifice one core property to improve another. Ethereum lived inside those limits longer than most, prioritizing decentralization even when that meant congestion and high fees.
Buterin now argues that this constraint has shifted from theory to history.
With Peer Data Availability Sampling (PeerDAS) live on mainnet and zero-knowledge Ethereum Virtual Machines (ZK-EVMs) approaching wider use, Ethereum is beginning to support more activity without forcing ordinary users out of running nodes.
In his own words,
‘the trilemma has been solved not in research papers, but in running systems.’
The significance is not raw speed. It is the idea that growth no longer requires quietly centralizing the network.
Why PeerDAS and ZK-EVMs Actually Matter
PeerDAS may sound abstract, but its effect is simple nodes no longer need to download every piece of data to verify that it exists. They can sample it. This lowers hardware requirements while letting rollups post more data cheaply.
ZK-EVMs complement that shift by changing how blocks are validated. Instead of every node re-executing every transaction, cryptographic proofs confirm correctness. The result is less duplicated work and more room to grow.
Together, these tools aim to fix a long-standing contradiction scaling usage without turning Ethereum into a network only large operators can afford to maintain.
The 2030 Roadmap Is About Patience, Not Hype
Buterin’s roadmap stretches well beyond short-term upgrades. In 2026, Ethereum plans to raise gas limits even before ZK-EVMs become common, while giving early adopters the option to run ZK-based nodes.
Between 2026 and 2028, deeper changes will reshape how Ethereum handles state and pricing, making higher throughput safer. By the end of the decade, ZK-EVMs are expected to become the dominant validation method.
This is not presented as a sprint. Buterin frames it as a slow, careful transition designed to avoid breaking the network’s social contract with its users.
The Bigger Risk: Centralization by Convenience
The strongest language in Buterin’s message is not about scaling. It is about values.
He contrasts Ethereum’s original vision with today’s internet, where essential tools live behind subscriptions and rely on intermediaries that can fail, censor, or disappear.
‘Ethereum is the rebellion against this,’
he writes.
That belief leads to his “walkaway test.” An application should continue to function safely even if its creators vanish. Many current crypto apps fail this test, depending on centralized hosting, front-ends, or infrastructure providers despite running on decentralized rails.
Ethereum’s Hardest Problem Isn’t Code Anymore
Buterin’s message reads less like a victory lap and more like a warning. With fewer technical excuses left, responsibility shifts to developers, infrastructure providers, and users.
Ethereum now has stronger tools to support finance, identity, governance, and public digital services. Whether it becomes a shared computer anyone can rely on or just another platform chasing attention depends on choices made well beyond protocol upgrades.
The question he leaves hanging is simple and uncomfortable will Ethereum pass the walkaway test, or fail it quietly through human shortcuts?
Summary
Ethereum’s progress suggests it may finally be moving beyond the old scalability trade-offs that once held it back.
Vitalik Buterin points to upgrades like PeerDAS and ZK-EVMs as proof that the network can grow without giving up security or decentralization.
Still, the article emphasizes that technology alone will not decide Ethereum’s future. What matters just as much is how people use it, and whether the community chooses long-term resilience over convenience and quiet centralization.
Glossary of Key Terms
1. Ethereum
Think of Ethereum as a public computer anyone can use. It runs programs and handles value without being owned or controlled by a single company or government.
2. Scalability Trilemma
This describes a long-standing problem in blockchains. It’s like trying to make a system fast, safe, and fair at the same time—improving one often weakens another.
3. Decentralization
Instead of one central authority calling the shots, control is shared among many people. Similar to how email works without a single owner deciding who can send messages.
4. PeerDAS
A smarter way for computers to check data. Rather than reading the whole book, they glance at enough pages to be confident it’s complete and accurate.
5. ZK-EVM
A technology that proves transactions are correct without showing every detail. It’s like showing a stamped receipt instead of explaining every step of your purchase.
6. Gas Fees
Small charges paid to use Ethereum, similar to paying for fuel when driving or data when browsing the internet. They keep the network running smoothly.
7. World Computer
Ethereum’s long-term goal to be a neutral digital space where applications run reliably for everyone, without depending on one company’s servers or rules.
8. Walkaway Test
A simple idea: if the creators disappear, does the app still work? If yes, it’s truly decentralized—like a public park that stays open after builders leave.
FAQs About Ethereum scalability trilemma
1. What is this article really about?
It explores how Ethereum may have solved long-standing scaling limits and why human choices, not just technology, will shape whether decentralization truly holds.
2. Will this change Ethereum fees or how payments work?
Ethereum still uses gas fees paid in ETH, but these upgrades aim to reduce congestion over time, helping transactions feel smoother and less costly.
3. Does this make Ethereum safer or more private?
Yes. The upgrades help keep the network decentralized, lowering reliance on central providers and reducing risks of censorship, outages, or single points of failure.
4. What’s next for Ethereum’s roadmap?
Ethereum’s plan stretches toward 2030, with gradual upgrades, ZK-EVM adoption, and ongoing community input shaping how the network grows and stays resilient.
