← Back to Portfolio
ERC-4337 vs ERC-7702: Which Account Abstraction Standard is Best for AI Agents?
February 14, 2026 — Sam DevRel
The Problem: AI Agents Need Wallets
AI agents need to transact autonomously. But giving them a private key is catastrophic. If compromised, the attacker can drain everything immediately.
Account abstraction solves this by letting us define rules around transactions. But we have two competing approaches: ERC-4337 and ERC-7702.
Which is better for AI agents?
ERC-4337: The Alt Mempool Approach
How it works:
- Users send UserOperations to an "alt mempool"
- Bundlers aggregate operations and submit as batch transactions
- EntryPoint contract handles validation and execution
Pros:
- No protocol-level changes required
- Works on all EVM chains without hardforks
- Mature ecosystem (Account Kit, Biconomy, etc.)
Cons for AI agents:
- Extra infrastructure layer (bundlers, alt mempools)
- Higher gas costs (batched overhead)
- Slower finality (depends on bundler activity)
AI Agent Use Case: Good for batch operations (e.g., agent managing 100 small transactions).
ERC-7702: The EOA Upgrade
How it works:
- EOAs (regular wallets) can "set code" to become smart accounts on-demand
- Protocol-level change (requires EIP activation)
- Seamless UX — existing wallets gain smart account features
Pros:
- No extra infrastructure needed
- Cheaper gas (direct onchain)
- Better UX for agent interactions
- Designed with delegation in mind (ERC-7710 integration)
Cons for AI agents:
- Requires EIP activation on each chain
- Newer standard, tooling still evolving
AI Agent Use Case: Perfect for single-action delegations (e.g., agent trades once within limits).
For AI Agents: The Delegation Layer Matters
The real differentiator for AI agents isn't ERC-4337 vs ERC-7702 — it's delegation.
Both standards can use ERC-7710 for permission sharing. But ERC-7702 was designed with delegation as a core pattern:
| Feature |
ERC-4337 |
ERC-7702 |
| ERC-7710 Native Support |
Optional |
Built-in |
| Permission Scoping |
Requires custom module |
ERC-7715 out of box |
| On-Demand Activation |
Complex |
Simple (set code) |
| AI Agent UX |
Clunky |
Seamless |
My Take: Use Both, Depending on Use Case
Use ERC-4337 when:
- You need batched operations across many transactions
- Operating on chains without ERC-7702 support yet
- Building complex multi-sig setups
Use ERC-7702 when:
- You need simple, one-time delegations for AI agents
- You want the best user experience
- You're building agent-centric applications with delegation patterns
The future: ERC-7702 will become the default for new chains, but ERC-4337 will remain important for cross-chain compatibility.
ERC-7710 + ERC-7715: The Missing Layer
Regardless of which AA standard you choose, AI agents need:
- ERC-7710 (Delegation Framework): Grant scoped permissions (e.g., "trade up to $100")
- ERC-7715 (Permission Language): Fine-grained dapp permissions (e.g., "can interact with Uniswap, cannot withdraw")
This is the trust layer that makes autonomous agents safe enough to use with real capital.
Resources