What is an EOA?

An Externally Owned Account (EOA) is a type of Ethereum account controlled by a private key, allowing users to send transactions, hold tokens, and interact with smart contracts on the blockchain.

What is an EOA?

Press Kit

Optimising eth_sendUserOperation with native tracers

What is an EOA?

MPC Wallets: A Complete Technical Guide (2025)

What is ERC-4337?

Stackup is now live on Avalanche

Visa Taps Stackup's Expertise for Account Abstraction in Global Stablecoin Payments

Press Kit

The Complete Guide to Starting a Crypto Company in the United States

Stackup Community Update: May 2025

The $2 Bitcoin

Stackup Community Update: March 2025

The Bybit Lesson: Rethinking Treasury Wallet Security

Stackup Opens Platform to All: Transform Your Business Operations on Blockchain

Stackup Community Update: January 2025

How to Use Passkeys on Ethereum

Stackup's New Direction

Introducing Stackup Founders Circle

Crypto's Hidden Operations Crisis

Why we walked away from our thriving infrastructure business

The Hidden Pattern Behind Every Crypto Accident

What are Paymasters?

Bridging the Gap: The Power of a Unified Mempool

Four Shades of Account Abstraction

An analysis of PreVerificationGas

How to Sponsor Transactions Using a Paymaster

Estimating callGasLimit for UserOperations

What is Account Abstraction?

What Are Smart Contracts?

Why account abstraction is important and a practical pathway to achieving it