2026-05-23

MiCAR and DeFi. The Perimeter.

MiCAR has entered its applicative phase. Edge-cases remain open: DeFi, staking, lending, borrowing, non-custodial wallets and access interfaces to decentralised protocols. The question is not whether a smart contract underlies the activity, but whether — in substance — a subject provides, organises or controls a crypto service to European users.

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Abstract

MiCAR has entered its applicative phase. Edge-cases remain open: DeFi, staking, lending, borrowing, non-custodial wallets and access interfaces to decentralised protocols. The question is not whether a smart contract underlies the activity, but whether — in substance — a subject provides, organises or controls a crypto service to European users.

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Key takeaways

  • 01MiCAR Recital 22 does not establish a general safe harbour for DeFi: it is a boundary to be verified case by case
  • 02On-chain execution is not enough. Full decentralisation requires the absence of any identifiable subject controlling, organising or extracting value
  • 03Joint EBA/ESMA Report 16 January 2025: full decentralisation is empirically rare — most protocols show identifiable entities
  • 04Qualification follows actual function, not commercial naming. Front-ends, wallets and aggregators may fall within MiCAR as CASPs if they provide regulated services; mere providers of non-custodial wallets are excluded
  • 05Operational test: who controls the interface, the protocols, the fees, the relationship with the user — four questions before launch
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Slides

MiCAR and DeFi. The Perimeter. — slide 1
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