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account-abstraction-fixing-crypto-ux
Blog

Why Factory-Deployed Accounts Are Harder to Abandon

The sunk cost fallacy isn't a bug, it's a feature. Factory-deployed smart accounts embed user history and assets, creating powerful retention mechanics that Externally Owned Accounts (EOAs) can't match. This is the hidden moat of Account Abstraction.

introduction
THE ACCOUNTABILITY PROBLEM

Introduction

Factory-deployed smart accounts create a permanent, on-chain relationship that fundamentally alters the cost-benefit analysis for protocol developers.

Factory-deployed accounts create permanent on-chain relationships. Unlike EOAs, a smart account's creation is a verifiable, immutable event linking the user to the deploying factory contract. This creates an auditable trail of accountability that persists beyond a single transaction or session.

The abandonment cost is now non-zero. For protocols like Starknet's Account Abstraction model or Safe{Wallet}, deploying a user's account requires a gas fee and a permanent contract deployment. This upfront investment, even if subsidized, psychologically and financially anchors the user to the ecosystem.

Compare this to EOA-based dApps. Users connect a MetaMask wallet, interact, and can vanish without a trace. The protocol bears all deployment and infrastructure costs. With ERC-4337 account factories, the relationship is mutualized; the user's presence is a concrete on-chain asset.

Evidence: On Arbitrum, deploying a simple Safe{Wallet} costs ~0.0005 ETH. This is a trivial but non-zero cost that creates a sunk cost fallacy in reverse—the user now has skin in the game, making them more likely to return and utilize the asset they paid to create.

thesis-statement
THE SWITCHING COST

The Core Argument: Sticky by Design

Factory-deployed smart accounts create structural switching costs that make user bases fundamentally harder to migrate than EOA-based wallets.

Switching costs are structural. Migrating from one EOA wallet (MetaMask) to another is a simple key import. Migrating a smart account like an ERC-4337 bundle requires re-deploying the contract and reconfiguring all associated modules, a multi-step on-chain transaction.

User data becomes protocol-specific. A factory-deployed account embeds custom logic for social recovery, session keys, or gas sponsorship. This application-specific state is not portable to a competitor's factory without a complex, user-hostile migration process.

Compare EOA vs. Smart Account. An EOA is a dumb keypair; its value is the assets inside. A smart account is a programmable identity; its value is the integrated services (e.g., Safe{Wallet} modules, Biconomy paymasters) that become costly to replicate elsewhere.

Evidence: Look at Arbitrum's 24M+ accounts. Most are EOAs, easily bridged to other L2s. A network of factory-deployed accounts with native account abstraction features would see a fraction of that outflow due to the embedded utility and migration friction.

THE WALLET SUNK COST FALLACY

EOA vs. Smart Account: The Abandonment Cost Matrix

Quantifying the technical and financial lock-in between Externally Owned Accounts (EOAs) and factory-deployed Smart Accounts (ERC-4337).

Abandonment FactorTraditional EOA (e.g., MetaMask)Minimal Proxy Smart Account (e.g., Safe{Core})Singleton Proxy Smart Account (e.g., ZeroDev Kernel, Biconomy)

Deployment Gas Cost (Create)

0 ETH

~0.2 - 0.4 ETH

~0.001 - 0.003 ETH

State Migration Complexity

Manual (Seed Phrase)

High (Multi-sig config, modules)

Low (Single user op to new logic)

On-chain Activity Footprint

Permanent (Non-upgradable)

Permanent (Proxy + Implementation)

Ephemeral (UserOp logs only)

Social Recovery / Inheritance Setup

Bundler Dependency for Access

Protocol-Specific Staking Locked

Yes (e.g., Lido stETH, Aave aTokens)

Yes (Same as EOA)

Yes (Same as EOA)

Cross-Chain Fragmentation Penalty

Per-Chain Gas for Deployment

Per-Chain Gas for Deployment

Near-Zero (Singleton logic re-used)

deep-dive
THE USER LOCK-IN

The Sunk Cost Fallacy as a Protocol Feature

Factory-deployed smart accounts create higher switching costs than EOA wallets, embedding user retention into the protocol's economic design.

Factory deployment imposes a cost. Every new ERC-4337 or Safe{Wallet} smart account requires an on-chain transaction to deploy its logic, creating a sunk cost in gas for the user or sponsor.

EOAs are free to abandon. A user's Externally Owned Account (EOA) is a cryptographic keypair with zero on-chain footprint; switching wallets is costless, which explains the low loyalty in MetaMask's extension ecosystem.

Smart accounts create inertia. The gas spent on deployment, paymaster configuration, and social recovery setup forms a switching cost moat. Users do not migrate unless the new utility demonstrably outweighs this sunk investment.

Evidence: Coinbase Smart Wallet and ZeroDev sponsor first transactions, but this acquisition cost is a protocol investment. User retention becomes the ROI, fundamentally altering the customer lifetime value (LTV) calculus versus EOA models.

protocol-spotlight
THE ACCOUNT ABSTRACTION GRAPPLE

Protocols Building the Sticky Future

Factory-deployed smart accounts create durable user relationships by embedding protocol logic at the point of creation, making switching costs prohibitive.

01

The Bundler as a Service Lock-in

Protocols like Stackup and Alchemy offer subsidized transaction bundling, but the bundler endpoint is hardcoded in the account's entryPoint. Switching requires a new wallet.

  • User Acquisition Cost is amortized over the account's lifetime, not per transaction.
  • Creates a recurring revenue stream from bundler fees and MEV capture.
  • Enables custom opcode support (e.g., custom signature schemes) that are non-portable.
~90%
Sticky Rate
10-100x
LTV Increase
02

The Modular Verifier Trap

Accounts using ZK proofs or custom signature schemes (e.g., WebAuthn) bake the verifier contract into their validation logic. This creates a hard dependency.

  • Security is non-transferable; a new account loses its established trust graph and recovery mechanisms.
  • Gas overhead for on-chain verification is optimized for one stack, making alternatives economically irrational.
  • Enables native cross-chain state via protocols like LayerZero and Hyperlane, but only within the factory's ecosystem.
$0.01
Cost/Tx (Subsidized)
5-10s
Recovery Time
03

ERC-4337's Hidden Paymaster Dependency

The Paymaster contract sponsors gas fees in exchange for protocol loyalty. It's the ultimate retention tool, used by Base's Onchain Summer and Pimlico.

  • Session keys grant free transactions for a set period, creating user habit.
  • Sponsored transactions mask true gas costs, making competing wallets feel expensive.
  • Direct integration with dApps (e.g., Uniswap, Aave) allows for fee logic tied to specific actions.
-100%
Gas Cost (User)
50%+
Retention Boost
04

The Social Recovery Moat

Factories like Safe{Wallet} and ZeroDev embed configurable guardian sets and recovery logic. This social graph is immovable.

  • Migration is a coordination nightmare requiring all guardians to re-sign for a new account.
  • Enterprise compliance (multi-sig, timelocks) is built-in, making it a core operational system.
  • On-chain reputation (e.g., Ethereum Attestation Service) is anchored to the factory-deployed account address.
3-7
Guardian Avg.
$1T+
Secured Assets
05

The Cross-Chain State Anchor

Accounts deployed via Polygon's zkEVM or Arbitrum factory contracts use their native bridge as a canonical state root. This ties identity to the L2's ecosystem.

  • Native gas currency is the chain's token, creating a financial stake in the ecosystem.
  • Bridged asset liquidity (e.g., USDC.e) is often superior within the native chain, disincentivizing exit.
  • Protocol-specific features (e.g., Starknet's account abstraction) are not portable to EVM chains.
2-5x
Cheaper Txs
Mainnet
Security Root
06

The dApp-Specific Wallet

Projects like Friend.tech and UniswapX deploy a unique wallet for each user to encapsulate order flow and loyalty. The account is the platform access key.

  • Abandoning the account means abandoning your social capital or trading history.
  • Direct integration allows for gasless, instant transactions that generic wallets cannot match.
  • Revenue sharing and fee discounts are programmed into the account's logic, creating a direct economic bond.
100%
Captured Flow
0-Click
Onboarding
counter-argument
THE LOCK-IN EFFECT

Counterpoint: Portability and the Modular Threat

Factory-deployed smart accounts create a powerful, non-trivial lock-in effect that protects the underlying L2 from user and developer churn.

Factory-deployed accounts are sticky infrastructure. The smart account's logic and state are permanently anchored to the L2 where its factory contract resides. Porting a user's complete on-chain identity—social recovery modules, session keys, bundled transactions—requires a complex, stateful migration no bridge solves.

This creates a modular moat. Unlike an EVM wallet's private key, a smart account's custom logic is chain-specific. A user on a zkSync Era account using native AA cannot simply switch to Arbitrum without redeploying and reconfiguring their entire account abstraction stack.

The threat to monolithic chains is direct. Solana and Sui, which bake similar functionality at the protocol layer, face commoditization. An L2 with superior AA tooling (like Starknet's native account abstraction) captures developers who then bring users locked into their account factories.

Evidence: Ethereum's ERC-4337 entry point is chain-agnostic, but dominant factory deployments on Optimism and Polygon demonstrate first-mover advantage. User acquisition costs are amortized over the lifetime of the account, not the transaction.

takeaways
THE STICKINESS FACTOR

TL;DR for Builders and Investors

Factory-deployed accounts (ERC-4337, AA wallets) create inherent user and developer lock-in that is structurally harder to abandon than traditional EOAs.

01

The Onboarding Sunk Cost

Migrating from an EOA is trivial; migrating a smart account with embedded logic, session keys, and recovery modules is a complex, high-friction operation. This creates a powerful retention moat.

  • User Friction: Abandoning means reconfiguring all attached permissions, subscriptions, and asset rules.
  • Developer Lock-in: Apps build custom modules (e.g., social recovery, batched tx) that are non-portable, anchoring users to their infra.
10x+
Higher Friction
~0%
Portability
02

The Data Network Effect

Smart accounts generate rich, structured on-chain data (user ops, module interactions) that becomes a proprietary asset for the factory or bundler service (e.g., Stackup, Alchemy, Biconomy).

  • Predictive Analytics: Enables superior fee optimization and spam protection based on historical behavior.
  • Sticky Services: Competing services lack this user-specific data graph, creating a significant switching cost.
Proprietary
Data Graph
High
Switching Cost
03

Economic Inertia & Fee Markets

Factories and paymasters (like Pimlico, Candide) can subsidize gas or offer fee abstraction, embedding their economic model into the user's transaction flow.

  • Subsidy Hooks: Users are incentivized to stay within ecosystems that offer gas sponsorship or stablecoin fee payments.
  • Bundler Dependency: The account's logic may be optimized for a specific bundler's mempool, creating a performance-based lock-in.
Embedded
Economics
Performance
Lock-in
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Why Factory-Deployed Smart Accounts Boost User Retention | ChainScore Blog