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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.

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Developer guides

  1. 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.

  2. How to Migrate from Alchemy AccountKit

    Step-by-step guide to migrate your React app from Alchemy Account Kit to Openfort embedded wallets after Alchemy's signer sunset.

  3. Agent Wallet Solutions for Developers

    A developer guide to agent wallet architectures in 2026 — full-stack platforms vs. signing primitives, payment rails, spending controls, and how to pick an approach.

  4. How to Pay Employees in Stablecoins

    Everything you need to know about crypto payroll — stablecoins, embedded wallets, compliance, and automation.

  5. Building Payment Apps for LATAM

    A regional guide to building stablecoin payment apps for Latin America — country-by-country market analysis, infrastructure requirements, regulatory landscape, and architecture for LATAM stablecoin products.

  6. Best Wallet-as-a-Service (WaaS) Providers in 2026

    Compare the top WaaS providers in 2026 across features, pricing, and use cases. From Openfort to Privy and Fireblocks.

  7. Best Account Abstraction Providers in 2026

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

  8. Smart Wallet Security Best Practices for 2026

    A developer's guide to securing smart accounts in production. Covers session keys, spending limits, policy engines, recovery mechanisms, TEE-based key management, EIP-7702 delegation security, modular account architecture (ERC-7579), and securing AI agent wallets against prompt injection.

  9. Machine Payments Protocol (MPP), x402, ACP & AP2 Compared (2026)

    Four protocols define agentic payments in 2026: MPP (Stripe/Tempo), x402 (Coinbase), ACP (OpenAI/Stripe), and AP2 (Google). Each covers a different layer — settlement, checkout, authorization. Side-by-side comparison with builder guidance for picking your stack.

  10. Treasury Wallets: How Businesses Manage Digital Assets at Scale

    A complete guide to treasury wallets — what they are, how they work, and why enterprises use them to secure, move, and manage digital assets across chains and entities.

  11. Why Every Product Team Needs an AI Agent Wallet Strategy

    AI agents are gaining the ability to spend money autonomously. Product teams that equip their agents with wallets unlock new revenue models, higher retention, and lower operational costs. Here's how to think about your agent wallet strategy.

  12. Build a Fintech App with Stablecoin on Solana

    A builder's guide to creating a fintech app with embedded wallets and stablecoin payments on Solana — from architecture decisions to production deployment.

  13. 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.

  14. Machine Payments: When Software Pays Software

    Machine-to-machine payments are the next frontier beyond agentic commerce. When IoT devices, autonomous systems, and server infrastructure need to transact without any human in the loop, the payment stack has to change fundamentally.

  15. Agentic Commerce: Rewriting the Rules of Agentic Payments

    AI agents are evolving from assistants into autonomous buyers. This shift — from browsing to buying on behalf of users — is creating a new commerce layer that demands new payment rails, new merchant interfaces, and entirely new business models.

  16. How to Build an Agent Wallet

    Build an agent wallet using Openfort backend wallets. Create a TEE-secured wallet, upgrade it with EIP-7702 delegation, set up USDC gas sponsorship, and send transactions on Base Sepolia.

  17. How to Build Wallet Permissions with Session Keys

    Build wallet permissions using session keys on smart accounts. Learn to grant agents time-limited, revocable spending power without transferring custody.

  18. How to Build a Neobank: The PM's Guide for the Stablecoin Era

    A product manager's guide to scoping and building a stablecoin neobank. Covers architecture decisions, vendor evaluation, compliance planning, team requirements, timelines, and actionable checklists.

  19. The Evolution of Neobanks: From Banking Licenses to Stablecoin Rails

    How stablecoins and embedded wallets collapsed neobank infrastructure from $5M+ and 18 months to weeks. A guide to the modern fintech stack.

  20. The Wallet Services Guide

    A comprehensive guide to wallet custody models, key management architectures, and the evaluation criteria that matter when building onchain—beyond the custodial vs. non-custodial debate.

  21. Technical Dive: Key Permissions for Accounts

    A comprehensive guide to onchain and offchain permission systems for accounts. Learn how to implement granular access control with spending limits, contract whitelisting, and time-based restrictions.

  22. 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.

  23. The Agentic Wallet Problem

    How to give software a spending account without becoming a bank.

  24. Deep dive: Stealth Addresses

    How Ethereum's stealth address standard solves the address reuse problem without zero-knowledge proofs

  25. Prediction markets for builders: Make “belief” tradable

    Prediction markets for builders: how they work, key design choices (liquidity + resolution), and how embedded wallets make trading and settlement usable.

  26. 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.

  27. From spikes to stable: eRPC in production at Openfort

    What broke, what we fixed, and what we gained moving our multi-chain RPC from an in-house Elastic stack to eRPC—with hedging, batching, and clean metrics.

  28. Inside x402: Enabling Payments with HTTP 402

    x402 bridges the worlds of web APIs and digital money. Today, it’s being revived by Coinbase’s x402

  29. 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

  30. How to Avoid Wallet Vendor Dependency

    Vendor lock-in is one of the biggest hidden risks in wallet infrastructure. This guide explores two strategic approaches to maintain independence

  31. How to Migrate from Web3Modal

    This guide provides a step-by-step process to migrate your React app from Web3Modal to Openfort React

  32. Introducing Multi Accounts Support

    These accounts can live on the same chain or across different chains, giving end users and developers more flexibility in how they organize and interact with on-chain assets.

  33. Stablecoin vs. Traditional Payment Rails: Cost, Speed & Business Guide

    Stablecoin payments are revolutionizing how businesses and individuals transfer value across borders, offering near-instant settlements at a fraction of traditional costs.

  34. Stablecoin Regulation and Licensing 2026: Global Requirements Guide

    Stablecoin regulation and licensing have become critical for businesses navigating the evolving crypto landscape in 2026.

  35. How to Migrate from RainbowKit

    This guide provides a step-by-step process to migrate your React app from RainbowKit to Openfort React

  36. 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.

  37. 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.

  38. Cross-App Wallets Explained: One Identity, Every App

    How cross-app (or "global") wallets give users a single, portable identity across multiple apps and chains — and how to ship one with Openfort.

  39. 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.

  40. How to Boost your Brand with White Label Crypto Wallet

    Boost brand visibility with a white label crypto wallet from Openfort. Stand out in the market and launch quickly with an easy, ready-to-customize platform.

  41. Decoding the Stablecoin Infrastructure Stack

    A developer's guide to stablecoin infrastructure. Explore wallets, security, on/off ramps, and ways to use stablecoins to create powerful applications in payments, DeFi, and more.

  42. Announcing Openfort for Solana

    Openfort supports Solana and can now help your project create wallets, sign signatures and send transactions.

  43. 4x size reduction in Openfort JS

    Boost performance with 4x smaller SDKs, manage multiple wallets with Shield V2's Keychain, and get started faster with Marti's video guide.

  44. Mobile Wallet Protocol for Unity, a public good

    This powerful feature is now available to all game developers, enabling seamless connections between in-game wallets and the broader Web3 ecosystem.

  45. Stablecoins 101: Understanding the Digital Backbone of Global Finance

    This article demystifies the fundamental mechanics of stablecoins and explores their applications reshaping industries from remittances to corporate treasury management.

  46. The Rise of AI Agents: Reshaping Crypto Apps

    These autonomous programs, capable of performing tasks ranging from algorithmic trading to launching memecoins, are redefining how users interact with decentralized networks

  47. How to build Telegram mini-app with Unity WebGL

    Learn how to integrate Openfort into a Unity WebGL Telegram Mini-App. A practical guide to real-time wallet flows and onchain features in gaming apps

  48. How to Build Telegram Mini-Apps with React

    Learn to build a Telegram Mini-App in React with Openfort's SDK for non-custodial wallet creation, NFT minting, and smooth Web3 transactions. Try it now!

  49. 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?

  50. Shamir Secret Sharing Library Audited

    Discover how Openfort's Shamir’s Secret Sharing (SSS) cryptography library passed audit testing to ensure a more secure wallet infrastructure

  51. 2D Nonce: Transaction Parallelization

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

  52. 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.

  53. In-App Purchases and Onchain Gaming

    See how Openfort bridges traditional in-app purchases and decentralized wallets, allowing game studios to integrate digital ownership into mobile economies

  54. Minigames, Frames and anything in between

    In the evolving landscape of digital interaction, the concept of "frames" represents a groundbreaking approach to integrating dynamic, interactive content into various digital platforms.

  55. Passkeys and Account Abstraction

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

  56. How to Build an Onchain Game: Best Practices & Metrics Guide

    Explore our comprehensive guide on building a successful onchain game. Learn essential metrics and best practices to boost project performance. Read now!

  57. Web3 Gaming Infrastructure: A Beginner's Guide – Part 1

    Explore our intro to Web3 gaming infrastructure. Learn how blockchain boosts game development with secure, transparent, and innovative solutions.

  58. Top Tools for Onchain Game Development

    Explore the best tools for building immersive onchain games with secure, scalable wallet solutions

  59. Casual Gaming’s Role in Crypto Adoption

    Dive into how Openfort enables game studios to integrate onchain mechanics into casual gaming titles while preserving simplicity and user retention

  60. 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

  61. Unlocking Web3 Gaming: Lessons from Asia's Tech Hubs

    From investor caution to Web3 skepticism, find out what's shaping the future of gaming and blockchain technology in Asia. Our conference takeaways offer a glimpse into what's next.

  62. Modular Wallets: Enabling Vertical Wallets at Scale

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

  63. Beyond the Early Web3 Game and the Rise of New Categories

    Explore the potential of Web3 games, which incorporate blockchain elements such as smart contracts and NFTs, to disrupt the traditional gaming industry.

  64. Understanding Crypto Wallets: Evolution & Future Trends

    Discover how crypto wallets evolve from speculation tools to user-friendly, multi-functional solutions. Embrace innovation and unlock blockchain potential.