Vitalik Buterin warns: Ethereum needs more decentralized stablecoins, USD-pegged is not the endgame

In 2026, Ethereum co-founder Vitalik Buterin once again focuses on the development of decentralized stablecoins. He posted on X platform pointing out that if Ethereum truly aims to empower individuals to break free from traditional financial systems, it must have a “better decentralized stablecoin system”; otherwise, the so-called financial sovereignty remains highly dependent on centralized structures.

Buterin states that currently, decentralized stablecoins face three core challenges. First is the over-concentration of pegged assets on the US dollar. According to CoinGecko data, approximately 95% of stablecoins are currently pegged to the dollar. He believes that tracking the US dollar may be reasonable in the short term, but from a 20-year long-term perspective, stablecoins should not rely on a single national currency, especially in the context of potential inflation or currency credit fluctuations. He proposes exploring a pegging method that is “better than a US dollar price index.”

The second issue concerns oracle mechanisms. Stablecoins rely on oracles to obtain real-world price data to maintain their peg and collateral security. Buterin emphasizes that oracle systems must have sufficient resistance to manipulation and should not be designed with complexity that raises user costs or inflates token prices, as this would weaken the usability of decentralized stablecoins.

The third issue involves staking yield design. He believes that high yields often undermine the stability of collateral structures and may even trigger systemic risks. To address this, Buterin suggests significantly lowering staking yields to around 0.2% and introducing new staking models to avoid traditional penalty mechanisms that could discourage user participation.

He also warns that the security of stablecoins depends not only on the size of collateral but also on covering protocol vulnerabilities and network attack risks. Merely increasing the amount of ETH collateral cannot guarantee stablecoin price stability in extreme market conditions; systemic design must be employed to cope with sharp fluctuations.

From a market perspective, stablecoins had grown to approximately $311.5 billion in 2026, an increase of about 50% since early 2025. Emerging market individual users widely use stablecoins for cross-border payments and savings, while institutions rely on them for liquidity management and large-scale settlements. However, in terms of competitive landscape, centralized stablecoins still hold an absolute advantage, with USDT and USDC accounting for over 83% of the market share.

Although decentralized stablecoins like Dai and Ethena USDe continue to play roles in DeFi, their market cap remains far behind mainstream centralized products. Buterin’s views are seen as a clear signal: if decentralized stablecoins cannot achieve breakthroughs at the design level, Ethereum’s long-term financial vision will still face structural limitations.