Vitalik Buterin: Ethereum Needs Better Decentralized Stablecoins
Ethereum co-founder Vitalik Buterin said the network needs more resilient decentralized stablecoins to reduce dependence on legacy financial systems. In a post on X on Sunday, Buterin responded to comments from Gabriel Shapiro of Delphi Labs about Ethereum’s focus on enabling individual sovereignty.
Buterin outlined three core challenges that decentralized stablecoins must address to meet that goal.
Three challenges facing decentralized stablecoins
First, most stablecoins are linked to the U.S. dollar. CoinGecko data indicates that 95% of stablecoins are USD-pegged. Buterin said that while tracking the dollar may be acceptable in the near term, relying on a single fiat currency introduces long-term risk. Over a 20-year horizon, he noted, even moderate inflation could undermine stability, and suggested using a “better” index than the U.S. dollar price.
Second, he pointed to oracle risks. Oracles must be robust against manipulation without increasing user costs or artificially boosting token prices to maintain accurate valuations and collateral levels.
Third, staking returns must remain sustainable without destabilizing collateral or deterring adoption. Buterin proposed sharply lowering baseline staking yields to about 0.2% and introducing a new staking model that avoids typical slashing risks. He also emphasized that stablecoin security must consider both protocol flaws and network-level attacks, adding that no amount of Ether (ETH) can guarantee a stablecoin’s stability and that mechanisms are needed to handle large market swings.
The stablecoin market reached $311.5 billion in 2026, an increase of roughly 50% from the start of 2025. Stablecoins are widely used by individuals in emerging markets for cross-border transfers and savings, and by institutions for large transactions and liquidity management.
Decentralized stablecoins trail USDT and USDC
Tether (USDT) and Circle’s USD Coin (USDC) — both centralized — account for over 83% of the market and command a similar share of trading volumes.
Development of decentralized alternatives slowed after TerraClassicUSD (USTC) lost its peg in May 2022, erasing $60 billion from the Terra ecosystem. Ethena’s USDe has been one of the most notable launches since then, while MakerDAO’s Dai (DAI) remains widely used in DeFi for borrowing, lending, and liquidity provision. However, neither USDe nor DAI has significantly challenged USDT and USDC, with market capitalizations of $6.3 billion and $4.2 billion, respectively.
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