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

Discover how Rhinestone's blockchain infrastructure enables modular smart accounts, chain abstraction, and seamless Web3 development.

What is Rhinestone Blockchain Infrastructure for Smart Account Development?

Learn how this native account abstraction proposal revolutionizes smart contract validation & gas payment logic on Ethereum.

What is EIP-7701?

Discover RIP-7560, the rollup proposal bringing native account abstraction to Ethereum L2s with reduced gas costs and enhanced security.

What is RIP-7560?

Discover ERC-7562, Ethereum's validation rules for account abstraction that protect bundlers from DoS attacks & ensure secure transactions.

What is ERC-7562?

Learn about ERC-7779, Ethereum's new standard for interoperable delegated accounts, which simplifies wallet migrations and enhances UX.

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?

Discover how EIP-7702 empowers EOAs to temporarily function as smart contracts, providing tx batching, gas sponsorship, & enhanced security.

What is EIP-7702?

Discover ERC-4337, Ethereum's account abstraction standard that enables smart contract wallets, gasless transactions, and social recovery.

What is ERC-4337?

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

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

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)

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

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

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-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

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

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

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

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

In the context of blockchain, what is a keystore?

In the context of blockchain, what is a public key?

In the context of blockchain, what is a private key?

What is two-factor authentication (2FA)?

Discover ERC-7715, the wallet permissions standard that enables automated transactions, session keys, and frictionless app experiences.

What is ERC-7715?

Learn about RIP-7212, enabling efficient secp256r1 signature verification for biometric authentication & account abstraction.

What is RIP-7212?

Learn what ERC-7521 is, how it enables generalized intents for smart contract wallets, & why it's critical for future-proof interactions.

What is ERC-7521?

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

What is a recovery phrase?

What is a self-custodied, or non-custodial, wallet?

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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