The European Commission is reviewing whether crypto lending and borrowing should be brought under the Markets in Crypto Assets (MiCA) framework, but the decentralized nature of many lending protocols is making it difficult to determine who — if anyone — should be regulated.
On May 20, 2026, the Commission launched a targeted consultation seeking stakeholder input on areas that were left outside the original MiCA rulebook, including decentralized finance (DeFi) and crypto lending. One of the most contentious points involves lending vaults, which can channel billions of dollars into onchain credit markets without resembling conventional lending operations.
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Lending vaults and the legal gray zone
Lending vaults are smart-contract-based structures that pool user funds and allocate them to lending protocols or strategies. Unlike a traditional lender, there is often no single company or legal entity operating the vault. Instead, governance is distributed across multiple roles, and users interact directly with code.
Their legal status under EU law is unclear. Yuriy Brisov, an EU digital assets lawyer and partner at Digital & Analogue Partners, told Magazine that EU law has no category called a “vault.” He explained that lawyers and regulators must therefore define it by function rather than by label.
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That ambiguity creates a practical problem: a vault can perform the economic function of lending while spreading responsibilities across smart contracts and multiple participants, making it hard to identify a “provider” under MiCA. The current law excludes crypto asset services provided in a “fully decentralized manner,” but it can apply when only part of an activity is decentralized.
Morpho’s architecture illustrates the challenge
Decentralized lending protocol Morpho offers a concrete example of why this is so difficult. Its Vault V2 architecture divides responsibilities among an owner, curator, allocator, and sentinel. The curator configures strategy and risk parameters, the allocator executes allocations, and the sentinel has powers intended to reduce risk.
None of these roles necessarily constitutes a regulated lending service under MiCA, but the structure shows that identifying the relevant “provider” is far less straightforward than with a conventional lender.
Jonathan Galea, a partner at Cahill Gordon & Reindel, recently analyzed lending vaults under EU financial regulation in a client update. He cautioned against treating all lending vaults as a single category, arguing that “lending vaults solve more practical problems than they create.” Some vaults direct fragmented liquidity into lending markets, while others may buy and sell crypto assets and should be treated differently.
“Bring ‘DeFi lending’ into the perimeter as a single label, and structures that deserve opposite answers risk ending up captured together,” Galea told Magazine.
Decentralization as a dividing line — and its pitfalls
One proposed solution is to use decentralization as the dividing line between regulated and unregulated activity. But Galea argues that approach would penalize newer protocols that have not yet had time to distribute control.
“Decentralization is a spectrum and a function of time: a test built on it would penalize newer, more novel protocols while entrenching mature incumbents that have had years to distribute control,” he said.
Brisov suggests a structural approach instead. He says the safer ground is to look at whether there is an undertaking, an appointed manager, or a direct coded claim on the pool. If a user can exit before a parameter change takes effect, that may indicate a less centralized arrangement.
He also argues that if Brussels decides lending and borrowing warrant regulation, they should be explicitly added to the list of regulated crypto asset services, rather than broadening the definition of a crypto asset service provider itself.
Curve’s Egorov: DeFi lending needs its own rules
Curve Finance founder Michael Egorov argues that any regulation must account for the fundamental differences between decentralized lending and conventional finance.
“If DeFi lending is ever brought into the scope of regulation, it should be treated completely differently. DeFi doesn’t need some of the safeguards which traditional lending requires, and yet, at the same time, it may need others,” Egorov told Magazine.
He said regulation should be approached “really carefully,” and that a dedicated framework could improve safety and open DeFi lending to new users, while avoiding rules that some protocols cannot comply with because of how they are built.
What happens next
The European Commission’s consultation closes on September 30, 2026. The outcome could determine whether lending vaults remain outside MiCA or become subject to a new regulatory framework.
For Brussels, the challenge is not simply whether to regulate DeFi lending; it is how to write rules that distinguish between very different forms of onchain lending and the people (if any) that actually exercise control over them.
Conclusion
The debate over DeFi lending vaults highlights a broader tension in crypto regulation: rules designed for centralized entities do not map neatly onto decentralized systems. As the consultation progresses, the industry will be watching whether regulators can craft a framework that is both enforceable and adaptable to the realities of onchain finance.
This article is for informational purposes only and does not constitute financial, legal, or investment advice. The cryptocurrency market is volatile and uncertain; readers should conduct their own research and consult qualified professionals where appropriate.
FAQs
Q1: What is a DeFi lending vault?
A DeFi lending vault is a smart-contract-based structure that pools user funds and allocates them to lending protocols or strategies. It can perform the economic function of lending without a central operator, with governance distributed across multiple roles.
Q2: Why is MiCA struggling to regulate lending vaults?
MiCA was designed for centralized crypto asset service providers. Lending vaults often have no single company or legal entity operating them, making it difficult to identify who should be regulated under the current framework.
Q3: When will the European Commission decide on DeFi lending regulation?
The Commission’s consultation closes on September 30, 2026. Following the consultation, the Commission will review responses and decide whether to propose amendments to MiCA or introduce new rules for crypto lending and borrowing.
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