Ethereum Backs New Proposal to Solve Trust in Open AI Systems

While AI agents are becoming more capable, their ability to interact freely outside closed platforms remains limited. ERC-8004 focuses on fixing that gap by bringing a shared trust framework directly on-chain.

Inside a single company or platform, AI agents work smoothly because identities, permissions, and behavior are pre-approved. In an open environment, that structure disappears. An agent has no reliable way to verify who it is interacting with, whether the counterparty is competent, or if it poses a risk. This lack of trust keeps AI agents siloed and prevents the formation of an open, global marketplace where agents can exchange services autonomously.

How ERC-8004 Creates an On-Chain Trust Layer

ERC-8004 addresses this issue by adding a lightweight trust layer on Ethereum. Rather than introducing complex logic, the proposal relies on three simple on-chain registries that work together to establish credibility between agents.

The Identity Registry provides AI agents with verifiable on-chain identities, similar to digital passports. The Reputation Registry records historical behavior and interaction outcomes, allowing agents to assess reliability over time. The Validation Registry enables third parties or systems to certify agents for specific skills or use cases, acting as an on-chain proof of competence. Combined, these registries allow agents to discover, evaluate, and collaborate without prior relationships or centralized gatekeepers.

Enabling an Open AI Agent Economy

By standardizing how trust is expressed on-chain, ERC-8004 makes it possible for AI agents to form complex workflows, trade services, and coordinate tasks across platforms and organizations. The approach keeps most computation off-chain while anchoring trust to Ethereum’s security, making it practical without sacrificing decentralization.

Separately, Vitalik Buterin recently outlined a wider goal for the ecosystem, saying that 2026 should be the year Ethereum begins reclaiming lost ground in self-sovereignty and trustlessness. He emphasized improving on-chain privacy, making it easier to run full nodes, simplifying dapp usage, and giving users stronger control over their personal data.

Where ERC-8004 Fits In

Although ERC-8004 focuses on AI agents rather than individual users, it aligns closely with this vision. By enabling decentralized trust without relying on intermediaries, the proposal reinforces Ethereum’s role as a neutral coordination layer. As autonomous agents become more active on-chain, standards like ERC-8004 could play a key role in ensuring that openness, trustlessness, and self-sovereignty extend beyond humans to the software acting on their behalf.

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