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wallet-wars-smart-accounts-vs-embedded-wallets
Blog

The Future of Smart Accounts Lies in Intent-Centric Architectures

Smart accounts are evolving from simple transaction executors to declarative intent broadcasters. This architectural shift moves complexity off-chain to solver networks, fundamentally changing the wallet landscape and user experience.

introduction
THE PARADIGM SHIFT

Introduction

Smart accounts must evolve from transaction executors to intent interpreters to achieve mainstream adoption.

Intent-centric architectures are the logical endpoint for smart accounts. Current EOA and smart contract wallets are glorified transaction signers, forcing users to specify low-level 'how' details. This creates a poor UX and concentrates risk in the signer, a design flaw UniswapX and CowSwap exploit by abstracting execution.

The smart account is the solver. The future wallet does not sign transactions; it signs high-level intents (e.g., 'swap this for that at best price') and delegates competitive fulfillment to a network of solvers like Across or LayerZero applications. This separates declaration from execution, enabling optimization and risk minimization.

ERC-4337 is just the bootloader. The current standard enables account abstraction but remains transaction-bound. The next phase, intent-based interoperability, uses standards like ERC-7677 to let any solver satisfy intents across any chain, turning the wallet into a universal command interface.

Evidence: UniswapX now processes over $10B in volume via its intent-based, solver-driven system, proving users prefer declaring outcomes over managing gas, slippage, and MEV themselves.

deep-dive
THE ARCHITECTURE

From Executor to Declarant: The Architectural Pivot

Smart accounts will shift from executing explicit transactions to declaring desired outcomes, abstracting complexity from the user.

Intent-centric architectures invert the transaction model. Users declare a goal (e.g., 'swap ETH for USDC at best price') instead of specifying a complex, multi-step execution path. This moves the burden of pathfinding and execution to a competitive solver network, like those used by UniswapX or CowSwap.

The executor is abstracted away. The user's wallet no longer signs a specific calldata payload for a single DEX. It signs a verifiable statement of intent, which specialized off-chain solvers compete to fulfill, optimizing for cost and speed. This creates a market for execution quality.

This requires new infrastructure. Secure intent expression needs standards like ERC-4337 for signature abstraction and new settlement layers. Projects like Anoma and SUAVE are building the intent-centric mempools and block builders required for this new paradigm.

Evidence: UniswapX, which routes orders via a solver network, now processes over $20B in volume, demonstrating user demand for declarative trading over manual execution. This is the model for all future smart account interactions.

SMART ACCOUNT ARCHITECTURES

Transaction-Centric vs. Intent-Centric: A Feature Matrix

A first-principles comparison of execution paradigms for user operations, contrasting direct transaction signing with declarative intent expression.

Architectural FeatureTransaction-Centric (EVM)Intent-Centric (Abstracted)Hybrid (ERC-4337)

User's Declared Goal

Specific bytecode & parameters

Desired outcome (e.g., 'best price')

Specific user operation to a bundler

Execution Responsibility

User's wallet (EOA/SCA)

Solver network (e.g., UniswapX, CowSwap)

Bundler network

Optimal Routing

Gas Fee Abstraction

MEV Capture

By searchers (negative)

By solvers (can be shared)

By bundlers (negative)

Typical Latency

< 12 seconds (next block)

1-30 seconds (batch auction)

< 12 seconds (next block)

Composability Surface

Smart contract calls

Cross-domain intents (e.g., Across, LayerZero)

Smart contract calls via paymaster

User Cognitive Load

High (manage gas, slippage, RPC)

Low (sign intent, receive output)

Medium (manage userOp, paymaster)

counter-argument
THE ARCHITECTURAL SHIFT

The Centralization Counter-Argument (And Why It's Wrong)

Intent-centric architectures do not centralize control; they formalize and decompose it, creating a more competitive and secure execution layer.

Intent abstraction centralizes expression, not execution. Users delegate what they want, not how to achieve it. This shifts the centralization risk from a single wallet's private key to the solver network's economic security.

The competition is between solvers, not chains. A user's intent to swap tokens across chains is broadcast to a competitive solver market (e.g., UniswapX, CowSwap). This creates a verifiable execution layer where solvers race for efficiency.

Account abstraction was the first step. ERC-4337 standardized user operation batching and paymasters. Intent architectures like Anoma and SUAVE are the next evolution, decoupling the declaration of a goal from its implementation.

Evidence: The Across bridge already uses a decentralized solver model for cross-chain intents, where relayers compete to fulfill user requests, demonstrating lower costs and faster finality than monolithic bridges.

protocol-spotlight
FROM ABSTRACTION TO EXECUTION

Protocols Building the Intent Stack

Intent-centric architectures shift the paradigm from explicit transaction specification to declarative outcome fulfillment, abstracting complexity to specialized solvers.

01

The Problem: User Experience is Still Transactional

Users must manually manage gas, slippage, and multi-step DeFi interactions. This creates friction and exposes them to MEV.\n- Manual Execution: Users sign every step, a UX bottleneck.\n- Suboptimal Routing: Single DEX trades miss cross-chain or aggregated liquidity.\n- MEV Exposure: Public mempools are hunting grounds for extractive bots.

~15%
Avg. MEV Loss
5+ Steps
Typical DeFi Flow
02

The Solution: Anyswap & Cross-Chain Intents

Protocols like Across and LayerZero enable users to declare a destination asset and chain. A network of solvers competes to fulfill the intent optimally.\n- Solver Competition: Drives down costs and improves fill rates.\n- Unified Liquidity: Aggregates bridges and DEXs into a single quote.\n- Guaranteed Settlement: Users get the outcome or the transaction fails.

$10B+
Cross-Chain Volume
<30s
Settlement Time
03

The Solution: UniswapX & Off-Chain Order Flow

UniswapX and CowSwap replace on-chain AMM swaps with signed intent orders. Off-chain solvers (fillers) batch and settle them via Dutch auctions or CoWs.\n- Gasless Signing: Users approve intents, not gas-heavy txns.\n- MEV Protection: Order flow auctions (OFAs) redirect extractable value to users.\n- Native Cross-Chain: Intents are chain-agnostic, fulfilled where liquidity is best.

100%
Gas-Free for User
$1B+
Monthly Volume
04

The Enabler: ERC-4337 & Smart Account Wallets

Account Abstraction provides the foundational infrastructure. Smart accounts (like those from Safe or Biconomy) are programmable agents that can validate and execute complex intents.\n- Batch Execution: Single signature for multi-op intent fulfillment.\n- Sponsored Transactions: Solvers can pay gas, abstracting it completely.\n- Modular Security: Custom signature schemes and recovery logic.

5M+
Smart Accounts
-90%
User-Op Cost
05

The Orchestrator: Essential & Anoma

These are generalized intent-centric architectures. Essential provides a cross-chain intent standard and solver network. Anoma builds a full-stack intent-centric blockchain.\n- Universal Solver Nets: Any intent, from swaps to governance, can be fulfilled.\n- Privacy-Preserving: Intents can be encrypted, hiding strategy until execution.\n- Composability: Intents can depend on or trigger other intents.

∞
Use Cases
ZK
Privacy Native
06

The Future: AI Agents as Native Intent Users

The endgame is autonomous agents that operate wallets. They don't think in transactions; they issue continuous streams of intents based on goals.\n- Continuous Optimization: Agents perpetually rebalance or seek yield.\n- Multi-Agent Markets: Agents become the primary solvers and users.\n- Intent as the API: The entire blockchain interface becomes declarative.

24/7
Activity
AI-Native
Interface
risk-analysis
ARCHITECTURAL RISKS

The Bear Case: Where Intent Architectures Can Fail

Intent-based systems trade deterministic execution for user convenience, creating new systemic vulnerabilities.

01

The Solver Cartel Problem

Intent competition relies on a robust solver market. In practice, MEV and capital requirements lead to centralization.\n- Dominant Solvers like UniswapX and CowSwap aggregators can form an oligopoly.\n- Collusion Risk: A few entities controlling >60% of flow can extract value through implicit pricing.\n- Failure Point: If top solvers go offline, user intents fail or experience massive latency spikes.

>60%
Flow Control
~5s+
Fallback Latency
02

Intent Ambiguity & Legal Attack Vectors

Natural language or vague intents create exploitable ambiguity. Solvers must interpret, not just execute.\n- Adversarial Interpretation: A solver can fulfill the 'letter' of an intent while violating its spirit for profit.\n- Regulatory Gray Area: Who is liable—user, solver, or protocol—for a 'correct' but undesirable outcome?\n- Verification Overhead: Projects like Anoma must build complex constraint languages, adding complexity.

High
Dispute Risk
Complex
Legal Surface
03

The Cross-Chain Liquidity Fragmentation Trap

Intents promise seamless cross-chain UX, but solvers are limited by underlying bridge liquidity and security.\n- Bridge Dependency: Solvers for protocols like Across and LayerZero are only as secure as their weakest bridge.\n- Liquidity Silos: A solver cannot route an intent if destination-chain liquidity is siloed in a different intent system.\n- Cascading Failure: A bridge exploit can invalidate thousands of pending cross-chain intents simultaneously.

Bridge-Limited
Security Ceiling
Siloed
Liquidity
04

Centralized Sequencing as a Single Point of Failure

Most intent systems rely on a centralized sequencer or matchmaker to order and route transactions.\n- Censorship Vector: A sequencer can delay or reorder intents for MEV, breaking neutrality guarantees.\n- Dependency on L2s: Systems built on StarkNet or Arbitrum inherit their sequencer's liveness assumptions.\n- Systemic Risk: A sequencer outage halts the entire intent economy, unlike wallet-based transaction broadcasting.

Single
Failure Point
High
Censorship Risk
05

Economic Viability of Permissionless Solvers

The economic model for a decentralized solver network is unproven and may not be sustainable.\n- Low-Margin Business: Solver profits are squeezed between user price limits and competitive routing.\n- Capital Intensity: Effective solving requires large capital lock-up for atomic arbitrage, favoring whales.\n- Protocol Subsidy Reliance: Many systems like CowSwap initially rely on token incentives, not organic fees.

Low
Profit Margins
Subsidy-Driven
Economics
06

Privacy Leakage to the Solver Network

To fulfill an intent, users must reveal their strategy and constraints, creating a massive data honeypot.\n- Frontrunning Fuel: Solver networks see unmatched order flow; insider trading is a constant threat.\n- Data Monetization: Solver entities can aggregate and sell user intent data, violating implicit privacy expectations.\n- Anoma's Paradox: Even privacy-preserving architectures leak metadata to the solvers tasked with solving them.

Complete
Strategy Exposure
High-Value
Data Honeypot
future-outlook
THE INTENT-CENTRIC SHIFT

The 24-Month Outlook: Wallets Become Invisible

Smart accounts will abstract away key management and transaction construction, making wallets invisible interfaces for user intents.

Intent-centric architectures win. Users declare outcomes like 'swap this for that at the best rate' instead of signing complex transactions. This shifts complexity from the user to a network of solver networks like UniswapX and CowSwap.

Account abstraction is the substrate. ERC-4337 and native implementations on chains like Starknet provide the infrastructure for gas sponsorship and batch execution. The wallet becomes a session key managed by the account, not a private key.

The UX is the network effect. The winning wallet will be the one with the most integrated solvers and the cheapest execution, not the best seed phrase backup. This creates a winner-take-most dynamic in the intent layer.

Evidence: UniswapX already processes billions in volume via its intent-based, gasless routing system, proving users prefer declarative swaps over manual execution.

takeaways
INTENT-CENTRIC ARCHITECTURES

TL;DR for Busy Builders

The next evolution of smart accounts shifts from explicit transaction execution to declarative user intent, abstracting complexity and unlocking new UX paradigms.

01

The Problem: Wallet UX is a Dead End

Users must manually manage gas, sign every step, and navigate liquidity fragmentation. This creates >60% drop-off rates for new users and locks DeFi behind a technical barrier.

  • Cognitive Overload: Signing 5+ transactions for a simple swap.
  • Capital Inefficiency: Idle assets across chains and protocols.
  • Failed Transactions: Wasted gas on slippage and frontrunning.
>60%
Drop-off Rate
5+
Avg. Tx Steps
02

The Solution: Declarative Intents & Solvers

Users state a goal (e.g., "Swap X for Y at best rate"), and a competitive network of solvers (like in CowSwap, UniswapX) finds the optimal execution path.

  • Abstracted Execution: No gas management, no route discovery.
  • MEV Capture Redirection: Solvers compete, returning value to users via better prices.
  • Cross-Chain Native: Intents can be fulfilled across any liquidity source via protocols like Across and LayerZero.
~500ms
Solver Latency
$10B+
Protected Volume
03

The Infrastructure: Account Abstraction is the Enabler

ERC-4337 and smart accounts (Safe, Biconomy) provide the settlement layer. Intent-centric architectures require intent standards, solver markets, and verifiable fulfillment.

  • Standardized Intents: A common language for user goals (e.g., Anoma, Essential).
  • Permissionless Solvers: Any actor can compete to fulfill, ensuring best execution.
  • Atomic Settlement: User signs only the final, verified outcome.
ERC-4337
Core Standard
-90%
User Steps
04

The Trade-off: Centralization of Trust

Delegating execution to solvers introduces new trust assumptions. The critical design challenge is minimizing this while preserving UX gains.

  • Solver Collusion: Risk of cartels forming without proper incentive design.
  • Censorship Resistance: Solvers may exclude certain transactions.
  • Verification Cost: Proving correct execution must be cheap and fast.
1-of-N
Trust Model
~$0.01
Target Proof Cost
05

The Killer App: Autonomous Agent Wallets

Intent architecture enables wallets that act as autonomous financial agents. Set a goal ("Earn 5% APY"), and your wallet continuously manages positions across DeFi.

  • Continuous Optimization: Rebalances across Aave, Compound, Uniswap V3 based on live data.
  • Reactive Security: Automatically moves funds in response to protocol risk signals.
  • Composable Goals: "Pay this invoice in EUR" triggers a cross-chain swap and fiat off-ramp.
24/7
Operation
5-10%
APY Boost
06

The Bottom Line: It's About Flow

The winner isn't the wallet with the most features, but the one that creates the most seamless financial flow. Intent-centric design turns crypto from a toolkit into a service.

  • Developer Shift: Build declarative APIs, not transaction builders.
  • Value Capture: Shifts from block space to solver services and intent aggregation.
  • Endgame: Money that programs itself to work for you.
100x
UX Improvement
New Stack
Value Chain
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Smart Accounts Are Dead. Long Live Intent-Centric Architectures. | ChainScore Blog