Vitalik's 'Low-Risk DeFi' Embrace

Ethereum's community has long wrestled with a tension: how to sustain the network economically while staying true to its founding ideals.
In his newest essay, Vitalik Buterin argued the missing link may finally be here: low-risk DeFi.
Low-risk defi can be for Ethereum what search was for Googlehttps://t.co/6xIxCrOToQ
— vitalik.eth (@VitalikButerin) September 20, 2025
What's low-risk DeFi?
Vitalik means reliable onchain financial tools. Think payments, savings, synthetic assets, fully collateralized lending, etc.
These resources give anyone worldwide access and utility around mainstream asset categories like bonds, currencies, and stocks. In doing so, they offer something both irreplaceable and sustainable: a trustworthy financial base layer.
As such, Vitalik said low-risk DeFi "can be for Ethereum what search was for Google."
The main analogy
Just as search and ads became Google’s economic engine, low-risk DeFi can serve as Ethereum’s anchor revenue stream.
Of course, apps that aren't primarily financial like ENS, Farcaster, and Lens remain essential for culture and innovation in the Ethereum ecosystem, but they don't have to carry the economic weight of the chain, Vitalik noted.
Why now, then?
In recent years, protocol security has hardened and tail risks have declined in DeFi. For some people around the world, automated + transparent DeFi rails may already feel safer than local banks. The time has come, in other words.
The big picture
Low-risk DeFi aligns with Ethereum’s values in a few fundamental ways, per Vitalik. Namely, it strengthens the ETH economy, it generates revenue, and it serves a globally positive purpose: permissionless access to money management services.
Plus, unlike ads for Google, this model doesn’t rely on exploiting users’ data or attention!
And this foundation can evolve into deeper financial inclusion, too. Vitalik cited undercollateralized lending via onchain reputation and new forms of stable value like CPI-based flatcoins (whose purchasing powers are meant to stay constant) as possibilities here.
Ultimately, Ethereum doesn’t need its main economic driver to be speculative froth. If low-risk DeFi scales, it'll give Ethereum the same kind of durable backbone that search gave Google, though this time with incentives that align doing well with doing good.
The beacon moment
As you can imagine, the Ethereum community got plenty of excitement from Vitalik's latest post.
For context, in recent years some people have criticized the Ethereum co-founder for being too measured on DeFi, stemming from his past warnings about circular economics, unsustainable yields, etc.
Against that backdrop, his vocal support for low-risk DeFi now has been broadly applauded as legitimizing and a sort of "lighting of the beacon." It's highlighted the main pillars of DeFi as a positive-sum way forward that can bring real-world utility to underserved users and long-term viability to Ethereum.
People who haven't watched Vitalik don't know the insanely high bar it requires for him to be genuinely proud of crypto financial apps.
— RYAN SΞAN ADAMS - rsa.eth 🦄 (@RyanSAdams) September 21, 2025
He's pretty much withheld his praise until now. This post was the first time he said DeFi is Ethereum's killer app.
Vitalik's bar for DeFi
To… https://t.co/bRcVtHr7Ch
For Ethereum, then, there is a strong path forward: real financial utility, sustainable economics, and values intact. And that's a foundation worth building on.