TLDR
- Buterin warns centralized stablecoins weaken DeFi’s mission and increase structural risk.
- Experts say many yield models mimic decentralization but rely on centralized collateral.
- Buterin proposes a two-tier risk system pushing for transparent, diversified structures.
- New global rules demand full reserves, limiting algorithmic and decentralized stablecoins.
- Regulatory pressure may stall DeFi innovation and boost dependence on centralized issuers.
The debate over decentralized finance gained new tension as Buterin renewed his critique of centralized practices, and the discussion widened as regulatory pressures intensified. The renewed focus highlighted concerns about stability, control, and decentralization across major markets. The issue also raised questions about long-term structures that continue to shape the sector.
Experts Challenge Current DeFi Models
Buterin questioned the rise of centralized stablecoin strategies and argued that many structures weaken decentralization. He stressed that several popular practices support speculative positioning and reduce the purpose of core DeFi systems. He also noted that markets still rely heavily on centralized dollars, which limits the benefits of open networks.
Buterin’s comments revived claims that some yield strategies only imitate decentralized models and therefore offer limited structural improvement. The concerns echoed growing warnings that many protocols depend on centralized collateral and cannot shift risk effectively. The discussion also showed that DeFi still carries a split identity between efficiency and ideology.
Analysts argued that non-Ethereum networks face hurdles because early Ethereum users prioritized self-custody, while newer chains rely on institutional custodians. They added that this divide restricts broader decentralization growth and reinforces trust in centralized issuers. Buterin aligned with that view and called for structures that support independent risk distribution.
Buterin Sets Two-Tier Framework for DeFi Risk
Buterin outlined a model that separates risk evaluation into two categories and emphasized the need for transparent counterparty structures. He described a basic tier where overcollateralized stablecoins can shift the risk to market makers. He added a second tier for systems that include real-world assets but maintain diversification and overcollateralization.
Buterin argued that popular lending models using centralized stablecoins fail to meet either tier. He said such approaches increase exposure to single issuers and therefore reduce the role of decentralization. The remarks showed his continuing push for stablecoin designs that reduce dependency on centralized reserve assets.
Buterin also maintained that algorithmic models can add value when they spread collateral sources across independent pools. He stated that the approach improves user protection because risk no longer rests on one issuer. His position placed pressure on protocols that rely on narrow reserve frameworks.
Regulators Reinforce Global Restrictions on Stablecoin Design
Regulators in several regions advanced rules that require full reserves and strict issuer oversight. Brazil proposed restrictions on algorithmic models, and officials emphasized their preference for redeemable structures. Bahrain and the EU continued to support similar rules that center on issuer guarantees.
Authorities said stablecoins must maintain predictable redemption to prevent liquidity stress. They also warned that unregulated models could trigger sudden de-pegging events. These rules could limit decentralized structures and increase reliance on centralized dollars.
Analysts stated that global frameworks may restrict experimentation and push some decentralized stablecoins outside regulated markets. They also warned that stricter policies could undermine Buterin’s push for decentralized risk systems. The shift may leave DeFi facing renewed dependence on centralized reserves, which remains the core issue Buterin raised.




