Policy-based access control is a security method that grants or denies permissions to resources based on predefined rules and attributes rather than fixed roles. This system evaluates a set of policies to determine if a user or entity is authorized for a specific action. It offers granular and flexible control over digital assets and system functions.
Context
The implementation of policy-based access control is gaining prominence in enterprise blockchain solutions and decentralized autonomous organizations (DAOs). The current discussion involves designing expressive yet auditable policy languages that can govern complex interactions on a ledger. This approach provides a robust framework for managing permissions in a decentralized environment, addressing governance and compliance needs for various digital asset platforms.
The Zero-Knowledge Authenticator (zkAt) is a new cryptographic primitive that enables users to prove transaction authenticity against complex private policies without revealing the policy logic or identity, unlocking private on-chain governance.
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