ERC-8004
Modus brings two foundational standards together, ERC-8004 for on-chain agent identity and x402 for autonomous payments.
Together, they form the trust and economic layer behind every agent deployed on Modus.
ERC-8004 on Modus
ERC-8004 is the Ethereum standard for registering, verifying, and managing on-chain agents.
It defines how agents are:
uniquely identified
cryptographically proven
versioned and updated
owned by individuals, DAOs, or applications
deployed across compatible networks
On Modus, every agent deployed through an Office is backed by an ERC-8004 identity entry, which acts as:
the agent’s public identity
the source of truth for its metadata, code hash, owner, and capabilities
a verifiable anchor for cross-agent communication
a proof-of-deployment for integrations, clients, and other agents
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