Openfort blog
The Openfort Blog.
EIP-7702 Explained: How Smart EOAs Work in 2026
EIP-7702 lets Externally Owned Accounts (EOAs) temporarily delegate to a smart contract, gaining batching, gas sponsorship, and session keys without changing addresses. Mainnet via Pectra (May 2025). Architecture, use cases, ERC-4337 integration, and a builder's checklist.
Account Abstraction
EIP-7702 Explained: How Smart EOAs Work in 2026
EIP-7702 lets Externally Owned Accounts (EOAs) temporarily delegate to a smart contract, gaining batching, gas sponsorship, and session keys without changing addresses. Mainnet via Pectra (May 2025). Architecture, use cases, ERC-4337 integration, and a builder's checklist.
Best Account Abstraction Providers in 2026
Compare the top account abstraction (ERC-4337) providers in 2026. Features, pricing, and scope from Openfort to Alchemy.
What EIP-8141 Means for Developers
EIP-8141 brings native account abstraction to Ethereum. But it's not the only proposal — Base is backing EIP-8130, and Paradigm proposed Tempo. Here's an honest take on who's right, what the tradeoffs are, and how to position yourself for what's coming.
How to Set Up Gasless Transactions
A step-by-step guide to implementing gasless transactions on Ethereum and Solana using Openfort's paymaster infrastructure. Sponsor gas fees for users and AI agents with code examples, policy configuration, and real-world best practices.
Technical Dive: Gas Sponsorship via Paymasters
Gas sponsorship is one of the most transformative capabilities of Account Abstraction. This document provides a comprehensive technical breakdown of how paymasters work, covering both Verifying Mode and ERC-20 Mode, including all eight ERC-20 sub-modes, the on-chain validation and execution lifecycle, paymasterData encoding, gas considerations, and security trade-offs.
Gasless Transactions on Solana
Openfort now supports gasless transactions on Solana, removing the need for users to hold SOL for transaction fees.
Parallelizable Paymasters in EntryPoint v0.9
A full breakdown of Openfort Paymaster v9: async signing, support for ERC-20 gas sponsorship, and protocol updates from EntryPoint v0.9 for better UX & scalability.
EOA vs Smart Wallets in 2026: What Builders Need to Know
We break down EOAs vs smart wallets, how ERC-4337 & ERC-7702 change things, and when to use each in production
Building a Passwordless EVM Wallet
This guide, inspired by Openfort's demonstration of EIP-7702 with ERC-4337, will walk you through creating a passkey wallet where users interact with the blockchain using familiar biometric credentials.
The Openfort Delegator Account: a Production-Ready EIP-7702 Smart Contract
Inside Openfort's EIP-7702 delegator contract — modular architecture, WebAuthn session keys, atomic batching, ERC-4337 compatibility, and the security model. The reference implementation for upgrading any EOA to a smart account.
Embedded Wallets Explained (2026 Developer's Guide)
How embedded wallets work, why seedless onboarding converts, and how to ship in-app signing, ERC-4337, EIP-7702, and paymaster-powered gasless UX — without ever touching a private key.
Improving our Chain Abstraction implementation
Our newest updates and progress on the chain abstraction project and how it will link with our ecosystem SDK
Chain Abstraction Framework with ZK Proofs
Bridging ecosystems to create smooth experiences for their end users across any chain.
Understanding Native Account Abstraction in RIP-7560
Explore how RIP-7560 transforms Ethereum's account abstraction, slashing gas costs and enhancing scalability. Can this protocol-level change redefine blockchain usability?
2D Nonce: Transaction Parallelization
See how Openfort’s 2D nonce model helps developers execute multiple blockchain transactions in parallel without compromising order or finality
EIP-3074 to EIP-7702: Advancing Ethereum Account Abstraction
Explore EIP-7702, the innovative upgrade refining EIP-3074. Uncover how temporary smart contract roles enhance Ethereum security and simplify transactions.
Announcing Embedded Wallets
Unlock seamless onchain experiences with Openfort's Embedded Wallets. Unifying authentication, in-app signing & smart accounts for easy onboarding.
Passkeys and Account Abstraction
Passkeys are becoming an ever increasing option for users to sign transaction with their hardware devices. Let's explore how!
Technical Dive: Social Recoverable Accounts
In this article, we will explore the concept of Recoverable Account and how it can be used using Openfort’s APIs.
How to use Token Bound Account (ERC-6551)
Learn the ins and outs of the ERC6551 with Openfort's smart accounts and learn how to make them both together for your game.
AA and MPC: A Practical Approach to Security
Explore the real-world benefits of account abstraction and multiparty computation (MPC) in delivering secure and scalable crypto applications
Modular Wallets: Enabling Vertical Wallets at Scale
Discover how modular wallet architecture transforms crypto wallets into scalable vertical solutions for diverse applications.