Quick Breakdown
- The new blockchain protocol allows autonomous agents to discover, authenticate, and interact across organizations.
- Pluggable trust models support tasks from low-stakes activities to sensitive operations like medical diagnoses.
- Identity, reputation, and validation registries ensure secure agent verification and reliable feedback mechanisms.
A proposed blockchain protocol is set to allow autonomous agents to interact, discover, and trust each other across organizations without prior relationships. The system is designed to support tasks ranging from everyday low-stakes activities, like ordering food, to high-stakes operations, including medical diagnoses, according to Arianna Simpson, founder of Autonomous Partners and general partner at a16z.
I’ve been thinking a lot about how AI agents are going to reshape the web, and @danboneh brought an interesting EIP (ERC-8004: Trustless Agents) to my attention today.
The protocol outlines a proposal for how agents from across different org boundaries (aka, agents built by…
— AriannaSimpson.eth (@AriannaSimpson) January 8, 2026
Pluggable trust models for diverse use cases
The protocol provides multiple trust mechanisms, allowing developers to choose security levels proportional to the value of the task. Options include reputation systems based on client feedback, stake-secured task re-execution, zero-knowledge machine learning proofs, and Trusted Execution Environment (TEE) oracles. The architecture relies on three registries: an Identity Registry using ERC-721 tokens to give agents unique, portable identifiers; a Reputation Registry for posting and aggregating feedback; and a Validation Registry for recording independent verification from stakers, zkML verifiers, or trusted judges.
While payments are not integrated into the protocol, examples suggest they can enhance feedback and trust signals.
Flexible registration and endpoint management
Agents register through URIs pointing to JSON files containing metadata such as name, description, image, and customizable endpoints. Endpoints can include agent cards, decentralized identifiers, blockchain wallets, or MCP connections. Optional domain verification allows agents to confirm control of external endpoints via HTTPS files. Ownership of the ERC-721 token allows delegation or updates to the registration files.
The protocol is designed for deployment on any Layer 2 or Mainnet chain, aiming to create open, secure, and verifiable agent economies across organizations. According to Simpson, the system bridges trust gaps in decentralized networks while giving developers flexibility to tailor security and verification to the specific task at hand.
In parallel, Ethereum made notable technical advances in 2025, boosting scalability, network performance, and resilience. Upgrades included increased gas limits, higher blob counts, and improved node software quality, with zero-knowledge Ethereum Virtual Machines (zkEVMs) hitting key performance milestones.
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