Author: CoinW Research Institute
Summary
With the development of applications such as DeFi, account abstraction, and AI Agents, on-chain authorization is gradually evolving from one-time signature confirmations to a form of permission that can remain effective over the long term and be reused repeatedly. At the same time, new changes are also happening: AI Agents have begun to possess the ability to automatically request services and complete payments, for example, the x402 protocol uses HTTP 402 status codes to enable Agents to pay for resources and services instantly with stablecoins without human intervention. This shifts on-chain actions from isolated transactions to continuous automated collaborative processes.
Against this backdrop, the issue of authorization has been further amplified. Current authorization methods within the Web3 ecosystem remain vague and coarse in expression, often only addressing whether assets can be used, but struggling to specify what exactly is permitted and to what extent. ERC-8004 was proposed in this context. It does not define new assets nor alter how transactions or payments are executed, but instead aims to establish a permission model for on-chain behavior that can be understood and verified by systems, making authorization itself a describable, constrainable, and manageable object.
From a broader system perspective, ERC-8004 is not in competition with account abstraction and protocols like x402 for automated payments; rather, they operate at different levels of division of labor: x402 addresses the value exchange after actions occur, while ERC-8004 focuses on who is allowed to act and whether permissions are exceeded before actions happen. In scenarios such as DeFi, AI Agents, enterprises, and RWA, this pre-authorization and subsequent payment structure is expected to promote the shift of authorization from asset-level to behavior-level, providing a controllable foundation for more complex and long-term automated collaborations. Although there are practical challenges in learning curve, wallet support, and user experience, ERC-8004 is not a short-term narrative tool but a fundamental standard related to whether Web3 can support the operation of complex systems.
1. The Motivation Behind ERC-8004
As on-chain infrastructure continues to evolve, the capabilities related to asset onboarding and transaction execution are increasingly abstracted and strengthened. From ERC-20 tokens and NFTs to multi-signature wallets and account abstraction (ERC-4337), the threshold for user participation in on-chain activities is continually lowering, and accounts are becoming smarter.
However, a fundamental issue has remained unresolved: the authorization mechanism itself has seen little substantive evolution. In early Web3, authorization meant a single private key signature. Users expressed “I agree” through signatures, whether for transfers, contract calls, or approve operations. Authorization was regarded as a one-time confirmation, with risk boundaries entirely borne by the user.
Today’s on-chain environment has changed. In DeFi, approve often remains valid for a long time; in automated strategies and Session Key systems, authorization is reused repeatedly; in AI Agents or bots executing transactions, users may no longer participate directly in each operation. Authorization is shifting from a one-time confirmation to a persistent execution capability, more like temporarily delegating the authority to perform certain actions.
The problem is that current Web3 infrastructure almost lacks a clear, unified way to constrain this long-term authorization state. Permission scopes are vague, revoking permissions is difficult, and risks are unpredictable, leading to many security incidents. Meanwhile, account abstraction further amplifies this contradiction: when accounts can automatically execute transactions and third parties can pay Gas, what they can or cannot do becomes even less clear.
In this context, ERC-8004 was proposed. It attempts to fill a long-standing gap in Web3: establishing a clear, constrainable, system-understandable permission model for authorization itself.
2. Core Content of ERC-8004
The entry point of ERC-8004 is not in asset form or transaction execution methods, but in whether authorization can be described, independently verified, and managed continuously at the system level.
2.1 What does ERC-8004 define?
According to the Ethereum Improvement Proposals (EIP) official definition: ERC-8004 is a standard protocol for discovering, selecting, and interacting with trusted autonomous agents on Ethereum. It constructs a decentralized agent infrastructure that can operate without prior trust through on-chain registration, reputation, and verification mechanisms.
Here, “autonomous agents” are not limited to AI Agents but refer to any entities that can be authorized and independently perform actions, such as contracts, automation scripts, multi-signature wallets, or service processes. ERC-8004 focuses on whether the executing entity has the ability to be explicitly authorized and to define permission boundaries; AI Agents are just one typical application.
From a more general perspective, ERC-8004 is not a new asset standard or account type, but a framework for expressing and verifying permissions on-chain. It describes under what conditions a subject is allowed to perform certain actions, with verification prior to operation. Therefore, ERC-8004 does not concern “what is money” or “how are transactions executed,” but rather “what actions are permitted.” It does not create new assets or change existing asset properties, but adds a layer of clear, verifiable permission rules on top of assets and accounts.
Additionally, ERC-8004 is not a replacement for account abstraction (ERC-4337). Account abstraction focuses on how transactions are executed, while ERC-8004 addresses permission judgment before transactions occur. If account abstraction makes accounts more flexible, ERC-8004 sets clear boundaries for that flexibility.
The core of ERC-8004 is transforming implicit actions within signatures into explicitly describable, independently verifiable, and continuously manageable permission objects.
2.2 The core mechanism framework of ERC-8004
To understand ERC-8004’s core mechanism, it’s helpful to think of it as a “on-chain permission specification.” In traditional authorization logic, users often make a broad decision: “I agree” — whether to allow an asset transfer, contract call, or approval. The system does not further specify what exactly can be done, how much, or for how long. Under the ERC-8004 framework, a single authorization is no longer vague consent but is broken down into a set of clearly describable and enforceable rules. This “permission specification” typically includes five key types of information:
Who (Who): Who is allowed to execute?
First, it must be clear who is granted permission. In ERC-8004, the authorized object is no longer limited to a fixed wallet address but can also be a contract, an automation agent, or even a short-term Session Key. This allows for more complex scenarios, such as allowing a strategy contract to operate within a limited scope, or enabling an agent to perform specific tasks without repeated signatures. Importantly, permissions are always granted to a “specific entity,” not vaguely delegated.
What (What): What actions are allowed?
Next, it specifies which behaviors are permitted. Traditional authorization is often all-or-nothing: once authorized, the contract can freely call within the scope. In ERC-8004, authorization can be precise down to specific action types, such as only allowing swaps, transfers, or certain function calls, rather than open to all operations. ERC-8004 answers not whether it can be used, but to what extent.
Under what conditions (Under what conditions): When can it be executed?
This is a key difference from traditional authorization. The permission specification includes explicit constraints, such as maximum per-transaction or cumulative amounts, frequency or number of executions, or restrictions to specific protocols, pools, or contract addresses. These conditions are preconditions that must be met before execution; if not satisfied, the operation cannot proceed.
When (When): When does the permission become valid or expire?
ERC-8004 introduces clear concepts of time and lifecycle. Permissions can be set to: (a) be valid only during specific time periods; (b) expire after a single use; © be revoked at any time. This makes authorization a manageable, temporary capability rather than a long-term, unrevocable grant.
How (How enforced): How are rules actually enforced?
Finally, and most importantly, these rules are enforced by verifying permissions before the action occurs. If an operation does not conform to the predefined permission rules, the system will reject it outright, rather than relying on post-incident responsibility. This is the fundamental difference between ERC-8004 and traditional risk control logic.
2.3 New capability types introduced by ERC-8004: Why was this previously impossible?
At first glance, ERC-8004 simply makes authorization more granular. However, early Ethereum authorization models could not express complex logic. Traditional authorization only checked whether an address was permitted to operate; once authorized, what, how much, and when could not be systemically recognized.
The breakthrough of ERC-8004 is elevating authorization from “identity verification” to “behavior verification.” The system begins to determine whether an operation conforms to user-defined permission boundaries, rather than just confirming who initiated it. This allows permissions to inherently include amounts, frequency, scope, and validity periods, without relying on user revocation or manual monitoring afterward.
Once authorization logic is structured, it gains the ability to be composed and reused. Multi-step, cross-protocol operations can be explicitly restricted at the authorization stage rather than judged on the fly during execution. This enables Agent scenarios. Automated programs no longer need “unlimited authorization” but are constrained within clear, verifiable behavior boundaries, with violations rejected.
ERC-8004’s innovation is not just “more secure authorization,” but enabling authorization logic to be understood and enforced by the system — a fundamental difference from traditional permission mechanisms.
3. Potential Application Directions for ERC-8004
ERC-8004 is not designed as a product-specific standard but as a universal language for authorization capabilities. Its value lies not in a single scenario’s explosion but in the shared demand across multiple systems as authorization complexity increases.
DeFi: From “asset-level authorization” to “behavior-level authorization”
Currently, DeFi’s most common authorization method remains “single-use approval with unlimited allowance.” For example, users approve a contract to handle their assets for a swap, lending, or staking, effectively handing over control of assets. While efficient, this carries obvious risks: if the contract is upgraded, attacked, or used in unintended logic, the approval becomes a risk amplifier. ERC-8004’s approach is to make the authorized object not assets but specific behaviors. For instance, a user could specify: “Allow this contract to use up to 1,000 USDC within 24 hours to perform a swap,” rather than granting unlimited access. Some projects have attempted to limit scope and duration, but most are isolated efforts. ERC-8004 aims to standardize behavior-level permissions, enabling reusable, composable permission management, fundamentally improving risk control.
AI Agents: Providing verifiable permission boundaries for automation
As AI Agents participate more in on-chain decision-making and execution, authorization issues escalate. Agents are valuable for continuous operation and automation, but this also means they must hold certain operational permissions long-term. Without clear permission boundaries, Agents are essentially just automated programs with full user control, not reducing risk but increasing it. ERC-8004 offers a system-level, verifiable authorization boundary. Agents can be granted specific actions, operational scopes, and time limits, all verifiable before execution, not just monitored afterward. Only with structured, verifiable permissions can automated execution be trusted.
Coordination with x402 protocol: Making Agent actions “permissible and settleable”
In Agent scenarios, another key issue is how to exchange value once actions are permitted. Protocols like x402 are attempting to solve this by re-enabling HTTP 402 (Payment Required) status codes, allowing Agents to automatically pay with stablecoins when requesting resources or services. In this layered architecture, ERC-8004 and x402 operate at different levels but complement each other: ERC-8004 addresses “who can do what and whether they are allowed,” establishing permission and trust boundaries; x402 handles “how to complete payment and settlement when actions occur.” They do not depend on each other but together form a layered infrastructure. This separation allows Agents to perform permission checks and value exchanges without manual intervention, supporting scalable, autonomous operations in content retrieval, data calls, and computational services.
Enterprise and RWA scenarios: permissions as the basis for compliance
In enterprise applications and RWA (Real-World Asset) scenarios, ERC-8004’s value is more about compliance and interpretability. Real-world asset management requires clear answers: who is authorized under what conditions to perform which actions? Compared to whether assets are on-chain, how permissions are defined and recorded is crucial for integrating with traditional finance. ERC-8004 does not directly solve compliance but provides a foundational support for structured permission expression, making authorization auditable, traceable, and verifiable. This capability does not immediately improve user experience but can significantly reduce integration costs between Web3 systems and traditional organizations.
From these potential applications, it’s clear that ERC-8004 is not a “scenario-driven” standard but a fundamental capability that naturally emerges as authorization complexity grows. When on-chain behavior shifts from single operations to continuous system behaviors, a clear, verifiable permission expression becomes almost unavoidable.
4. Challenges and Long-term Value of ERC-8004
Practical Challenges
First, the learning curve. Compared to simple one-time authorizations, ERC-8004 introduces a more detailed permission description logic. Developers and users need to understand the new semantics, which takes time to be adopted. Second, wallet and infrastructure support. The full potential of ERC-8004 depends on wallets, SDKs, and execution environments understanding and supporting these permission rules. In early stages, it’s more of a capability than a universal standard, making large-scale adoption slow. Third, user experience. Complex permissions exposed directly to users could increase operational burdens. How to translate structured, machine-verifiable permission rules into intuitive, user-friendly interfaces will determine whether ERC-8004 can achieve broad adoption.
ERC-4008 does not solve the present but the next stage
Given these practical barriers, ERC-8004 is not a short-term narrative tool. It will not immediately lead to explosive user growth or new revenue models. Its value lies in enabling systems to remain controllable, interpretable, and verifiable amid increasing complexity. Its significance is not in the number of functions but in whether it provides a sustainable permission foundation for future automation, Agent collaboration, and institutional participation. In this sense, ERC-8004 is not a standard born for a specific cycle but a core capability that determines whether Web3 can support complex collaborative relationships.
