Account abstraction turns a crypto wallet into a programmable smart contract instead of a key-backed externally owned account. The user signs operations...

What Is Account Abstraction? ERC-4337 in Plain English

Transaction bundles atomically execute approve, swap, and bridge in one signature. Biconomy SuperTransactions, ERC-4337, EIP-7702, ERC-7579 explained.

What Are Transaction Bundles? Biconomy SuperTransactions, Explained

Rhinestone builds ERC-7579 smart account module infrastructure including ModuleKit, a module registry, and Safe integration tooling. Learn how developers build audited smart account modules.

What Is Rhinestone? ERC-7579 Smart Accounts

EIP-7701 adds protocol-level account abstraction to Ethereum via EOF. See how validator sections and ACCEPT_ROLE work and how it differs from ERC-4337.

What Is EIP-7701? Native Account Abstraction

RIP-7560 proposes native account abstraction for L2s, replacing bundler infrastructure with protocol-level validation. Learn how it differs from ERC-4337 and EIP-7702.

What Is RIP-7560? Native Account Abstraction for L2s

ERC-7562 formalizes the validation scope rules for ERC-4337 smart accounts, defining what operations bundlers allow during UserOperation validation to prevent mempool DoS.

What Is ERC-7562? AA Validation Rules

ERC-7779 extends ERC-7715 smart account permissions with cross-chain portability. Permissions granted on one chain can be cryptographically verified and used on another.

What Is ERC-7779?

EIP-3074 introduces AUTH and AUTHCALL opcodes for sponsored transactions, batch operations, and enhanced EOA functionality without wallet migration.

What is EIP-3074?

EIP-7702 lets Ethereum EOAs temporarily act as smart contracts. Learn how SET_CODE transactions, batch txs, and gas sponsorship work in Pectra.

What Is EIP-7702? Smart EOA Wallets for Pectra

ERC-4337 brings account abstraction to Ethereum without protocol changes. Smart wallets, paymasters, bundlers, and UserOperations — how the full stack works.

What Is ERC-4337? Account Abstraction Explained

Learn what ERC-7579 is and how modular smart accounts revolutionize blockchain wallets and stablecoin infrastructure.

ERC-7579: The Modular Smart Account Standard, Explained

ERC-7715 introduces wallet_grantPermissions: scoped, time-bounded delegations for session keys, agent wallets, and onchain subscriptions.

ERC-7715 Explained: Wallet Permissions, Sessions, and Subscriptions

Bundler networks explained — how the alt-mempool works for ERC-4337 smart accounts, who runs bundlers, and the validation rules that keep the system safe.

Bundler Networks: Mempool for Smart Accounts

Best smart wallet SDKs in 2026 — Pimlico, ZeroDev, Coinbase, Safe, Alchemy, Biconomy compared on bundler, paymaster, account, and stablecoin support.

Best Smart Wallet SDKs for Developers (2026)

Account abstraction for stablecoin apps — pay gas in USDC, batch approve-and-swap, cross-chain consistent addresses, and treasury policy in 2026.

Account Abstraction for Stablecoin Apps

EIP-7702 vs ERC-4337 compared — protocol-level delegation vs out-of-protocol UserOperations, and which path fits new wallets, retrofits, and stablecoin apps.

EIP-7702 vs ERC-4337: Two Smart Wallet Paths

Smart wallet UX patterns explained — gasless transactions, batched ops, sponsored gas, session keys, and recovery flows that account abstraction enables.

Smart Wallet UX Patterns: Gasless, Batched

ERC-4337 explained — UserOperations, bundlers, EntryPoint contract, paymasters, and how out-of-protocol account abstraction actually ships in production.

ERC-4337 Explained: Account Abstraction

What is account abstraction? Smart wallets, ERC-4337, EIP-7702, gasless UX, and the wallet model behind stablecoin apps in 2026 — explained.

What Is Account Abstraction? Smart Wallets

ERC-7811 lets dApps query wallet assets across chains via a structured RPC method. How wallet_getAssets works, multi-chain UX gains, and adoption status.

ERC-7811 Wallet Asset Discovery Explained

How to buy WLFI on Coinbase, Binance, and Uniswap. Wallet setup, KYC, deposit funding, and step-by-step purchase walkthrough for the WLFI token.

How to Buy WLFI: Exchanges and Wallets

EIP-7702 lets externally owned accounts temporarily delegate to a smart contract. Activated May 7, 2025 with Pectra, it brings smart wallet features to EOAs.

EIP-7702 Explained: Account Abstraction for EOAs

EIP-4337 vs EIP-7702 explained: 4337 deploys a smart account contract; 7702 lets an EOA delegate to one. Both bring smart-wallet features to Ethereum users.

EIP-4337 vs EIP-7702: Smart Wallets Compared

EOA security best practices for self-custody on Ethereum: hardware-key storage, EIP-712 signing, approval hygiene, cold-warm splits, and phishing defense.

EOA Security Best Practices

How EOAs work on Ethereum: ECDSA over secp256k1, key generation, address derivation, EIP-1559 transaction signing, and ecrecover verification at the EVM.

How EOAs Work: Private Keys and Signatures

EIP-7702 lets an EOA become a smart wallet at the same address. Walkthrough of the authorization tuple, delegation flow, revocation, and operational risks.

Can an EOA Become a Smart Wallet?

EOA vs contract account architecture: state fields, validation logic, deployment, gas semantics, and how the Ethereum protocol distinguishes the two.

EOA vs Contract Account: Architecture

An EOA vs smart wallet comparison: control model, gas payment, batching, recovery, address portability, and which to use for self-custody on Ethereum.

EOA vs Smart Wallet: Key Differences

An externally owned account (EOA) is a private-key-controlled Ethereum account that signs transactions, holds funds, and routes calls into smart contracts.

What Is an EOA? Externally Owned Accounts

A keystore is an encrypted file that stores your private key, protected by a password. How keystore JSON files work, their security tradeoffs, and how keystore wallets differ.

What Is a Keystore? Encrypted Key Storage Explained

A public key is derived from your private key and used to generate your wallet address. How the public/private key pair works, how addresses are derived, and why sharing is…

What Is a Public Key in Blockchain? Addresses Explained

A private key is a 256-bit secret number that controls your crypto. Lose it and lose everything. How private keys work, how they're generated, and how to protect them.

What Is a Private Key? Crypto Key Pairs Explained

ERC-7715 is Ethereum's smart wallet permissions standard. It lets apps request scoped, time-limited permissions from wallets — enabling agentic and automated transactions.

What Is ERC-7715? Smart Wallet Permissions Explained

Two-factor authentication adds a second layer beyond your password. Learn how 2FA works in crypto, why SMS 2FA is risky, and how to protect exchange accounts.

What Is Two-Factor Authentication (2FA)? How It Works in Crypto

ERC-7521 defines a general-purpose intent framework for ERC-4337 smart wallets, letting users specify desired outcomes instead of exact transaction steps.

What Is ERC-7521? General Intents for Smart Wallets

RIP-7212 adds a secp256r1 precompile to Ethereum L2s, cutting P-256 signature verification from ~300k gas to ~3,450 gas and enabling passkey wallets.

What Is RIP-7212? The Passkey Precompile for Ethereum L2s

What Are Keystore Wallets?

What Is Social Recovery?

Learn how ERC-8128 uses Ethereum wallets to authenticate HTTP requests, bridging onchain identity with web APIs.

What Is ERC-8128? How Ethereum Wallets Can Authenticate HTTP Requests

A non-custodial wallet gives you sole control of your private keys — no exchange, no bank. How self-custody works, the tradeoffs, and which wallets are truly non-custodial.

What Is a Non-Custodial Wallet? Self-Custody Explained

A recovery phrase is a 12-24 word backup that controls your entire crypto wallet. How BIP-39 works, how to store it safely, and what happens if you lose it.

What Is a Recovery Phrase? Seed Phrases Explained

Learn how EIP-5792 Wallet Call API enables batch transactions, atomic execution, and improved UX across Ethereum wallets and dApps.

Understanding EIP 5792: The Wallet Call API Transforming Ethereum Transactions

ERC-7947 introduces universal account recovery for smart wallets. Learn how this Ethereum standard enhances security.

ERC-7947: Universal Account Recovery for Smart Wallets

Learn how RIP-7212 enables biometric authentication in Web3 with 100x cheaper P256 verification. Complete guide to rollup proposal.

What is RIP-7212? Understanding the secp256r1 Precompile for Web3

Account abstraction lets wallets use passkeys, sponsored gas, and social recovery. See how ERC-4337 and EIP-7702 deliver the 2026 stack today.

What Is Account Abstraction? A 2026 Guide

Learn what smart wallets are in crypto, how they work through account abstraction, and why they're revolutionizing blockchain user experience with enhanced security and simplified transactions.

In the context of blockchain, what is a smart wallet?

Unified account abstraction explained: what a chain-abstracted wallet does under the hood during a single cross-chain swap and deposit flow.

What a Chain-Abstracted Wallet Actually Does

Robert Felt

Smart wallets, ERC-4337, EIP-7702, EOAs, keys

Wallets & Account Abstraction

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