Openfort blog

The Openfort Blog.

EIP-7702 Explained: How Smart EOAs Work in 2026

EIP-7702 lets EOAs delegate to a smart contract — batching, gas sponsorship, and session keys without changing address. Architecture and builder's checklist.

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Account Abstraction

  1. Best Account Abstraction Providers in 2026

    Compare the top account abstraction (ERC-4337) providers in 2026. Features, pricing, and scope from Openfort to Alchemy.

  2. 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.

  3. 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.

  4. Gasless Transactions on Ethereum

    Openfort lets your app sponsor gas on Ethereum and EVM chains, so users transact without holding ETH — and can even pay fees in stablecoins like USDC.

  5. Technical Dive: Gas Sponsorship via Paymasters

    How paymasters enable gas sponsorship: Verifying and ERC-20 modes, the on-chain validation lifecycle, paymasterData encoding, and security trade-offs.

  6. Gasless Transactions on Solana

    Sponsor gas on Solana with Openfort so users transact without holding SOL — and let them pay fees in stablecoins like USDC, USDT, or USDG. With code examples.

  7. 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.

  8. 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

  9. Crypto Onboarding: Passwordless Wallets in Practice

    Crypto onboarding explained: why seed phrases kill conversion, what good web3 onboarding looks like, and how to ship a passwordless wallet that gets users to their first transaction in under a minute.

  10. 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.

  11. 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 gasless UX — no private keys exposed.

  12. Improving our Chain Abstraction implementation

    Our newest updates and progress on the chain abstraction project and how it will link with our ecosystem SDK

  13. Chain Abstraction Framework with ZK Proofs

    Bridging ecosystems to create smooth experiences for their end users across any chain.

  14. Understanding Native Account Abstraction in RIP-7560

    How RIP-7560 transforms Ethereum's account abstraction, slashing gas costs and enhancing scalability at the protocol level.

  15. 2D Nonce: Transaction Parallelization

    See how Openfort’s 2D nonce model helps developers execute multiple blockchain transactions in parallel without compromising order or finality

  16. 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.

  17. Announcing Embedded Wallets

    Unlock seamless onchain experiences with Openfort's Embedded Wallets. Unifying authentication, in-app signing & smart accounts for easy onboarding.

  18. Passkeys and Account Abstraction

    Passkeys are becoming an ever increasing option for users to sign transaction with their hardware devices. Let's explore how!

  19. 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.

  20. 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.

  21. 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

  22. Modular Wallets: Enabling Vertical Wallets at Scale

    Discover how modular wallet architecture transforms crypto wallets into scalable vertical solutions for diverse applications.