Definition ∞ Centralized access control involves a single entity or authority managing permissions for who can access specific data or functionalities within a system. This method grants administrative power to a singular point, which then dictates user privileges and resource availability. It provides a clear, hierarchical structure for security administration. Such control contrasts sharply with decentralized models prevalent in blockchain systems.
Context ∞ In the realm of digital assets, centralized access control is typically found in traditional financial institutions interacting with crypto or in custodial services. News often highlights security breaches or censorship concerns associated with such centralized points of control, contrasting them with the transparency and permissionless nature of decentralized protocols. Regulatory discussions frequently address the security implications and data governance models of systems employing centralized control.
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