Regulations

Story: ESMA Targets Crypto Custodians Across 3 Risk Zones After MiCA Launch

By Jean-Luc Maracon

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Incident Response Under the Microscope. Incident response is the second pillar ESMA is pulling apart.

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Third-Party Tech Dependency Is a Real Problem. The third-party technology angle is where things get genuinely complicated.

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Europe's financial watchdog is coming for crypto custodians. The European Securities and Markets Authority — ESMA — is now scrutinizing the custody sector directly, zeroing in on…

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The review isn't vague. ESMA has three clear targets: how custody providers manage digital keys, how they respond when something goes wrong, and how much they lean on outside…

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Key management is probably the sharpest concern.

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Digital keys are, in plain terms, the only thing standing between an investor's crypto holdings and nothing. Lose the key, lose the asset. It's that simple.

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Incident response is the second pillar ESMA is pulling apart. The question isn't just whether a custody provider has a plan — it's whether that plan would actually work under…

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No timeline has been set for when the assessment wraps up. That's probably intentional. Rushing a review of this kind would defeat the purpose, and ESMA hasn't given any…

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The third-party technology angle is where things get genuinely complicated. Custody providers across the industry don't build everything themselves.

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See also: MiCA Wipes Out 90% of Europes Crypto Firms, Just 280 CASPs Survive

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ESMA's focus on this dependency makes sense. When a custodian outsources a critical function to a third-party provider, the custodian's risk profile isn't just its own anymore.

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It's not a new problem. But MiCA has changed the stakes.

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Before MiCA, custody providers in Europe operated under a patchwork of national rules — some strict, some barely there. MiCA changed that.

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Custody has grown fast. The volume of digital assets sitting with institutional custodians in Europe has climbed sharply as regulated products — exchange-traded products,…

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The authority's review could lead to formal recommendations, new guidance, or adjustments to how MiCA's custody requirements get interpreted in practice. Could.

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