Openfort blog
The Openfort Blog.
The GENIUS Act for Fintechs: What Changes by July 2028
The GENIUS Act regulates payment-stablecoin issuers — but every app that embeds USDC, PYUSD, or USD1 inherits the cascade. The integrator's map: what changes, when, and which 11 things builders ship before the July 2028 cliff.
Developer guides
Stablecoin KYC for Fintechs: Who Owns the Compliance Perimeter
Stablecoin KYC sits at the wallet perimeter, not the SDK install. A 2026 map of who owns KYC for builders embedding USDC, PYUSD, and USD1 — the FATF / MiCA / GENIUS triggers, the role split between issuer / wallet provider / app, and where the SDK hooks plug in.
Polygon Wallet: A Developer's Guide to Embedding One
How developers embed a Polygon wallet with account abstraction, gas sponsorship, and HTTP 402 payments — and how Openfort compares to Crossmint.
Self-custody Crypto Wallet: A Developer's Guide
Self-custody is now an SDK decision, not a download. How embedded self-custody wallets work — and how Openfort and Privy compare for developers.
Software Cryptocurrency Wallet: A Developer's Guide
How software cryptocurrency wallets manage keys, the MPC vs smart-account trade-off, and how to embed one in your app in days.
What is an Onchain Wallet? A Developer's Guide
An onchain wallet holds the keys that control blockchain assets directly. How they work, how keys stay safe without seed phrases, and how to ship one.
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.
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.
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.
How to Pay Employees in Stablecoins
Everything you need to know about crypto payroll — stablecoins, embedded wallets, compliance, and automation.
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.
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.
Best Account Abstraction Providers in 2026
Compare the top account abstraction (ERC-4337) providers in 2026. Features, pricing, and scope from Openfort to Alchemy.
Crypto Wallet Security: A Plain-English Guide to Keeping Funds Safe
Crypto wallet security explained without the jargon. What it means, where it usually breaks, what good looks like, and how to think about it whether you're a user or a builder.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Crypto Wallet Integration: A Developer's Guide
Crypto wallet integration explained for product teams and engineers: what 'integrating a wallet' really means, the custody models behind it, the criteria to weigh, and the integration paths that work in 2026.
Technical Dive: Key Permissions for Accounts
A guide to onchain and offchain permission systems: granular access control with spending limits, contract whitelisting, and time-based restrictions.
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.
The Agentic Wallet Problem
How to give software a spending account without becoming a bank.
Deep dive: Stealth Addresses
How Ethereum's stealth address standard solves the address reuse problem without zero-knowledge proofs
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.
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.
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.
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
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
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
How to Migrate from Web3Modal
This guide provides a step-by-step process to migrate your React app from Web3Modal to Openfort React
Introducing Multi Accounts Support
Accounts can live on the same chain or across chains, giving users and developers more flexibility in how they organize and use on-chain assets.
Stablecoin Payment Rails: The Developer's Guide to Cost, Speed, and Compliance (2026)
Stablecoin rails settle in seconds for under $0.01 — and MiCA, the GENIUS Act, and KYC rules shape how you embed them. A 2026 developer's guide.
Stablecoin Regulation and Licensing 2026: Obligations by Role and Jurisdiction
Which obligations attach to issuers, wallet providers, and builders integrating stablecoins — across the EU (MiCA + CASP), UK (FCA), US (GENIUS Act + FinCEN + state MTL), Singapore (MAS), and UAE (VARA). Updated for the 2026-07 MiCA non-EU CASP cliff.
How to Migrate from RainbowKit
This guide provides a step-by-step process to migrate your React app from RainbowKit to Openfort React
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.
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.
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.
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.
White Label Wallet: How to Launch a Branded Crypto Wallet in Weeks
White label wallet explained — what it is, when to use one instead of building from scratch, the security and custody choices, and a practical integration checklist to ship a branded crypto wallet quickly.
Decoding the Stablecoin Infrastructure Stack
A developer's guide to stablecoin infrastructure: wallets, security, on/off ramps, and ways to build powerful applications in payments and DeFi.
Announcing Openfort for Solana
Openfort supports Solana and can now help your project create wallets, sign signatures and send transactions.
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.
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.
Stablecoins 101: Understanding the Digital Backbone of Global Finance
The fundamental mechanics of stablecoins and the applications reshaping industries from remittances to corporate treasury management.
The Rise of AI Agents: Reshaping Crypto Apps
Autonomous agents — from algorithmic trading to launching memecoins — are redefining how users interact with decentralized networks.
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
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!
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.
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
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.
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
Minigames, Frames and anything in between
Frames are a new approach to embedding dynamic, interactive content into digital platforms — minigames and anything in between.
Passkeys and Account Abstraction
Passkeys are becoming an ever increasing option for users to sign transaction with their hardware devices. Let's explore how!
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!
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.
Top Tools for Onchain Game Development
Explore the best tools for building immersive onchain games with secure, scalable wallet solutions
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
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
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.
Modular Wallets: Enabling Vertical Wallets at Scale
Discover how modular wallet architecture transforms crypto wallets into scalable vertical solutions for diverse applications.
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.
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.