Definition ∞ On-chain agent identity refers to a verifiable, persistent digital identity for autonomous agents or smart contracts recorded and managed directly on a blockchain. This identity provides a tamper-proof record of an agent’s attributes, permissions, and history. It enables secure and trustless interactions within decentralized networks.
Context ∞ The development of robust on-chain agent identity is critical for the growth of machine economies and sophisticated decentralized applications. News reports often discuss protocols that allow agents to establish and manage their identities, which is essential for reputation systems, access control, and regulatory compliance. Establishing verifiable identities for autonomous entities is a key challenge for ensuring accountability and security in future decentralized systems.
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