Openfort blog
The Openfort Blog.
Server-side wallets: an API guide for automated payouts
Run batched payouts, treasury operations, and agent transactions from your backend with server-side wallets: keys in a TEE, policy enforced before signing.
Developer guides
How to Build a Telegram Bot with Built-In Crypto Wallets
Build a Telegram bot where /start creates a wallet and /send moves USDC gas-free, using Openfort backend wallets, plus the Mini App path for React.
Best Wallet-as-a-Service (WaaS) Providers in 2026
Compare the best wallet infrastructure and Wallet-as-a-Service providers in 2026 across features, pricing, and use cases — from Openfort to Privy, Turnkey, and Fireblocks.
The GENIUS Act for Fintechs: What Changes by July 2028
The GENIUS Act regulates stablecoin issuers, but apps embedding USDC, PYUSD, or USD1 inherit the cascade. What changes, and 11 things to ship by July 2028.
Stablecoin KYC for Fintechs: Who Owns the Perimeter
Who owns stablecoin KYC when you embed USDC, PYUSD, or USD1: the FATF, MiCA, and GENIUS triggers, and the split between issuer, wallet provider, and app.
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.
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
Building stablecoin payment apps for Latin America: country-by-country market analysis, regulatory landscape, and infrastructure requirements.
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 for Builders
Crypto wallet security without the jargon: what it means, where it usually breaks, and what good looks like for both users and builders.
Machine Payments Protocol (MPP), x402, ACP & AP2 Compared (2026)
Compare the four agentic payment protocols of 2026: MPP (Stripe/Tempo), x402 (Coinbase), ACP (OpenAI/Stripe), and AP2 (Google), layer by layer.
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.
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
Set up gasless transactions on Ethereum and Solana with Openfort's paymaster: code examples, policy configuration, and gas sponsorship for users and agents.
Machine Payments: When Software Pays Software
Machine-to-machine payments go past agentic commerce. What changes in the payment stack when IoT devices and servers transact with no human in the loop.
Agentic Commerce: Rewriting the Rules of Agentic Payments
AI agents are moving from assistants to autonomous buyers. What that shift demands of payment rails, merchant interfaces, and business models.
How to Build an Agent Wallet
Build an agent wallet with Openfort backend wallets: create a TEE-secured wallet, add EIP-7702 delegation, sponsor USDC gas, and send 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 a stablecoin neobank: architecture decisions, vendor evaluation, compliance planning, team, timelines, and checklists.
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 for product teams and engineers: what integrating a wallet involves, the custody models behind it, and the 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.
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 wallet explained (and EOA vs smart wallet)
An EOA is a wallet controlled by one private key, with no code of its own. Here is what that means in practice, and how EOAs compare to smart wallets and EIP-7702 smart EOAs.
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: Cost, Speed, 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 2026: Obligations by Role and Region
Stablecoin obligations for issuers, wallet providers, and builders across the EU (MiCA), UK (FCA), US (GENIUS Act, FinCEN), Singapore (MAS), and UAE (VARA).
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
Why seed phrases cost you signups, and how to ship a passwordless wallet that gets users to their first transaction in under a minute.
The Openfort Delegator Account: EIP-7702 in Production
Inside Openfort's EIP-7702 delegator contract: modular architecture, WebAuthn session keys, atomic batching, ERC-4337 compatibility, and the security model.
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: Launch a Branded Crypto Wallet
What a white label wallet is, when to use one instead of building from scratch, the custody and security choices, and a checklist to ship a branded wallet.
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: How They Work and What They Are For
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
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
Conference takeaways from Asia's gaming hubs: investor caution, Web3 skepticism, and what is shaping blockchain gaming across the region.
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.