User Onboarding to Web3 Is Broken ERC4437

Let us build you frictionless, programmable wallets through ERC4437 Token Development that eliminate gas fees, seed phrases, and clunky UX.

Launch with ERC4437
Logo(30) Logo(31) Logo(32) Logo Logo (29) Logo (28) Logo (27) Logo (26) Logo (25) Logo (24) Logo (23) Logo (22) Logo (21) Logo (20) Logo (19) Logo (18) Logo (17) Logo (16) Logo (14) Logo (13) Logo (12) Logo (15) Logo (11) Logo (10) Logo (9) Logo (8) Logo (7) Logo (6) Logo (5) Logo (4) Logo (3) Logo (2)
What We Do ?

What We Offer in ERC4437 Token Development

At Rain Infotech, we specialize in building advanced Web3 infrastructure using ERC4337, the most powerful shift in Ethereum’s wallet layer since its inception. We help startups, DeFi platforms, and enterprises create seamless, gasless, and secure dApp experiences by leveraging programmable smart accounts. Whether you’re solving onboarding friction or building the future of smart wallets, we deliver the tools that make it possible. Our ERC4437 Token Development services ensure you’re ready to harness the full potential of next-gen smart accounts and wallet innovation.

ERC4337-Compliant Smart Account Architecture

We design and deploy smart accounts that replace EOAs, unlocking programmable wallets with custom user flows and security logic.

Bundler & Paymaster Integration

Enable gasless transactions through trusted or custom bundlers and paymaster services, improving UX design and reducing friction.

Social Recovery & Wallet Recovery Features

Implement user-friendly recovery options like multi-device access, guardians, and time-locked recovery flows.

Custom Signing Schemes & Multisig Logic

Support hardware wallets, biometrics, multisig approvals, and role-based access, all programmable at the account level.

Integration with dApps & Web3 Protocols

We help you connect your ERC4337 smart accounts to DeFi apps, games, and marketplaces with full compatibility and modularity.

Session Keys & Delegated Permissions

Create session-based keys and delegated permissions for advanced features like temporary access and limited delegation.

Smart Wallet UI/UX Development

Design smooth, mobile-ready interfaces that abstract away the complexity, no seed phrases, no confusion.

Zero to Mainnet Support

From bundler setup and simulation testing to mainnet deployment and onboarding flows, we handle the full lifecycle.

Industry Adoption

Why ERC4337 Token Development Is Transforming the Industry

ERC-4337 introduces a groundbreaking approach to Ethereum account management, enabling smart contract-based accounts that offer enhanced security, flexibility, and user experience. By decoupling account logic from the Ethereum protocol, ERC-4337 facilitates features like gasless transactions, social recovery, and programmable wallets, laying the foundation for mass adoption of decentralized applications through advanced ERC4437 Token Development.

At Rain Infotech, we specialize in ERC4437 Token Development, helping businesses and developers gain real-time blockchain transparency with secure, scalable.

Speak to a Specialist

Over 40 Million Smart Accounts Deployed in 2024

The adoption of ERC-4337 has surged, with more than 40 million smart accounts deployed in 2024, a significant increase from 7.23 million in 2023. This growth underscores the rising demand for enhanced user experiences in the Ethereum ecosystem.

Over 100 Million UserOperations Executed

In 2024, the ERC-4337 ecosystem processed over 100 million UserOperations, a tenfold increase from the previous year, highlighting the scalability and efficiency of account abstraction in handling complex transactions.

Integration by Over 60 Major Web3 Projects

More than 60 prominent Web3 projects have integrated account abstraction technologies like ERC-4337, recognizing its potential to streamline user onboarding and enhance wallet functionalities.

Paymasters Covering 87% of Transaction Fees

The introduction of Paymasters in the ERC-4337 framework has revolutionized transaction fee management, with 87% of UserOperations in 2024 having their fees sponsored, facilitating gasless transactions and improving user accessibility.

ERC-4337 Enables Advanced Wallet Features

By leveraging smart contract capabilities, ERC-4337 allows for the implementation of advanced wallet features such as multi-signature approvals, social recovery mechanisms, and customizable access controls, significantly enhancing wallet security and user experience.

capabilities-orbit
Innovation Stack

Our ERC4437 Token Development Capabilities

We build modular, future-ready ERC4337 solutions that empower your dApps with seamless onboarding, programmable wallets, and gasless UX. Whether you’re a DeFi protocol, NFT platform, or Web3 startup, our technical stack turns complex blockchain logic into smooth user experiences, making us a trusted partner for ERC4437 Token Development.

Smart Account Contract Development

Custom ERC4337-compliant smart accounts tailored to your business logic, with secure contract architecture and extensibility.

Bundler Deployment & Integration

We set up or integrate with trusted bundlers to process UserOperations, ensuring reliable relaying of smart account transactions.

Paymaster System Integration

Implement custom paymasters to sponsor gas fees for users, enabling free transactions, subscriptions, or dynamic fee logic.

Social Recovery & Guardian Design

Deploy wallets with guardian-based recovery systems, eliminating the need for seed phrases and enhancing accessibility.

Session Keys & Role-Based Permissions

Enable temporary access or scoped permissions for apps, games, and workflows requiring fine-grained account control.

Modular Plugin Frameworks

Design and integrate smart wallet plugins for staking, swapping, bridging, and in-wallet dApp actions.

Biometric & Email/Pass Authentication Integration

Connect wallets to Web2-style logins for smoother onboarding without compromising on decentralization.

Transaction Simulation & UX Testing

Pre-deployment testing of custom UserOperations to ensure security, functionality, and user flow optimization.

Frontend SDK Integration

Implement SDKs to connect your dApp with ERC4337 smart wallets, bundlers, and paymasters seamlessly.

Cross-Chain Deployment Support

Deploy ERC4337 wallets on Ethereum mainnet or L2s like Polygon, Arbitrum, Optimism, and Base, optimized for speed and cost.

How It Works

Our Well-Organized Approach to ERC4437 Token Development

We guide you through every layer of account abstraction from contract logic to gasless UX with a process built for scalability, security, and smooth adoption through our ERC4437 Token Development expertise.

  • 01

    Use Case Planning & UX Design

    We align on your business goals, define account functionality (gasless, social recovery, etc.), and map out user flows for Web3 and Web2-style experiences.

  • 02

    Smart Account Architecture & Prototyping

    Our developers architect your ERC4337-compliant smart accounts with custom modules, recovery logic, and optional role-based permissions.

  • 03

    Bundler & Paymaster Setup

    We configure bundlers to relay transactions and integrate paymasters to enable sponsored gas logic and improved transaction flexibility.

  • 04

    Frontend & dApp Integration

    We build or integrate UI components that let users register, sign in, and interact with smart accounts, no seed phrases or wallet extensions needed.

  • 05

    Testing, Simulation & Security Reviews

    We rigorously simulate UserOperations, test edge cases, and validate the entire UX across mobile, desktop, and dApp contexts.

  • 06

    Mainnet Deployment & Post-Launch Optimization

    Deploy your ERC4337 accounts live, monitor transaction relaying, and refine paymaster strategies for cost, speed, and scalability.

What We’ve Built

Success Stories That Speak for Themselves

Discover how we help visionary startups and enterprises bring Blockchain and AI-powered platforms to life, solve complex challenges across finance, retail, logistics, and more.

View All Projects
success-stories-image
Sectors

Redefining Industries with Blockchain Companies

Custom-built digital solutions tailored to the unique demands of every industry. We help businesses overcome complex challenges with blockchain development companies.

 

Explore Industry

Healthcare

Enhance diagnostics through AI-powered analysis, automate patient engagement with intelligent assistants.

AI Blockchain

Finance

Streamline operations with AI-driven fraud detection, predictive analytics, and algorithmic decision-making.

AI Blockchain

Retail

AI personalizes the shopping experience with product recommendations, demand forecasting, and customer segmentation.

AI Blockchain

Insurance

Accelerate claims processing with AI document analysis and underwriting automation, reduce fraud through smart.

AI Blockchain

Supply Chain

Track goods from origin to destination with transparent, tamper-proof blockchain records.

Blockchain

Media & Marketing

Create high-impact campaigns, generate content at scale, and optimize performance with AI.

AI

Government

Build trust and transparency in public systems with blockchain-led recordkeeping, identity verification.

Blockchain

Energy

Enable peer-to-peer energy trading, track carbon credits, and support sustainable initiatives using decentralized.

Blockchain

Education

Deliver personalized learning paths, automate assessments, and generate intelligent content with AI.

AI

eCommerce

Boost conversions with AI-powered recommendations, automate customer support, and optimize.

AI
Tech Stack

Our ERC4437 Token Development​ Tech Stack

We use battle-tested tools and blockchain frameworks to deliver secure, scalable, and future-ready decentralized solutions.

Blockchain Platforms

Build on the most trusted and scalable blockchains in the industry. We support a wide range of networks, from Ethereum and BNB Chain to emerging Layer 1s like Sui and Aptos, tailored to your project’s needs.

Service Included:

Tendermint
Hyperledger Besu
Cosmos SDK
Avalanche
Substrate
Ethereum
Solana
BNB Chain
Polygon
Arbitrum
Optimism
Near
Sui
Aptos

Blockchain Tools

Discover essential tools like Remix, MetaMask, Hardhat, and Etherscan that streamline blockchain development, testing, and deployment. From smart contract debugging to transaction tracking, we utilize the best tools to ensure efficiency, security, and seamless dApp performance.

Service Included:

Rust
Solidity
Move
Ethers.js
Cairo
Web3.js
OpenZeppelin
Truffle
Foundry
Hardhat
Remix
Ganache
Brownie
Vyper

Blockchain Infrastructure

Robust backend infrastructure that guarantees your blockchain app operates seamlessly. From node providers and indexing tools to wallet integrations and decentralized storage, we cover all the necessities.

Service Included:

SubQuery
IPFS
WalletConnect
The Graph
RainbowKit
Infura
Gnosis
Alchemy
QuickNode
Chainstack
MetaMask
Trust Wallet
Keplr
Safe

Blockchain Ecosystem

Improve your product experience with seamless cross-chain capabilities, DEX frameworks, and blockchain explorers. We integrate leading tools such as LayerZero, Uniswap SDK, Blockscout, and custom-built bridges to enhance every interaction.

Service Included:

MoonPay
LayerZero
Uniswap SDK
PancakeSwap
Iquidus Explorer
Bulwark Explorer
Blockscout Explorer
Beacon Explorer
1inch
Pinksale.finance
Pump.fun
Why Rain Infotech?

A technical partner that builds for production, not demos.

Founded in 2015, we combine AI and Blockchain engineering with hands-on technical leadership on every project.

Building Since 2015

Founded in 2015 in Surat, India, we have built web, mobile, blockchain, and AI systems for startups, SMEs, and enterprises.

AI and Blockchain Under One Roof

We build AI systems, blockchain platforms, and solutions that combine them, such as agents that work with smart contracts and on-chain data.

Custom & White-Label Solutions

Build from scratch, or start from a white-label product when a faster launch fits your plans.

Architecture and Security Before Code

We design data flows, integrations, permissions, and failure paths before writing code, so security is part of the first version.

Founder and CTO Involvement

Our technical leadership takes part in solution planning, so architecture decisions are made by people who build.

Transparent Communication

You see progress, open questions, and trade-offs as the project moves, from discovery to launch.

Blogs

Resources & Insights

Explore expert blogs, technical guides, and curated insights to help you build smarter with AI and blockchain development .

 

Model Deployment Checklist: AI From Prototype to Production
AI Automation
AI Services
Software
Model Deployment Checklist: AI From Prototype to Production

A model that works in a notebook can still fail in production through a silent prompt change, a traffic spike,…

Continue Reading 23 October 2026
Bank Statement Parsing for Tally: How We Built Leepik
AI Automation
Software
Technology
Bank Statement Parsing for Tally: How We Built Leepik

Bank statement parsing turns a bank statement into structured transactions that accounting software can import. We built Leepik, an in-house…

Continue Reading 22 October 2026
Generative AI Integration: Add LLM Features to a Product
AI
AI Automation
AI Services
Generative AI Integration: Add LLM Features to a Product

Most teams can get an LLM demo working in a day. The hard part of generative AI integration is adding…

Continue Reading 21 October 2026
ERC-3643 vs ERC-20 for Tokenized Assets: Which to Use
Asset Tokenization
Blockchain
Smart Contract
ERC-3643 vs ERC-20 for Tokenized Assets: Which to Use

If you are tokenizing a real-world asset on Ethereum or an EVM chain, the token standard decides who can hold…

Continue Reading 19 October 2026
Agentic RAG: What a RAG Agent Is and When to Use One
AI
AI Automation
AI Services
Agentic RAG: What a RAG Agent Is and When to Use One

Agentic RAG is retrieval-augmented generation in which a language model decides how to search, not just what to answer. Standard…

Continue Reading 16 October 2026
AI Document Processing: When to Use LLMs vs Rule-Based
AI Automation
AI Services
Software
AI Document Processing: When to Use LLMs vs Rule-Based

AI document processing turns invoices, statements, forms, and contracts into structured data that other systems can use. The key design…

Continue Reading 14 October 2026
Testimonial

What Our Clients Say

Rain Infotech has built Blockchain and AI solutions since 2015, with a focus on security, scalability and reliable delivery.

300+
Coin-Token development
100+
Web3 Mobile-Web Apps Delivered
50+
dApps Built on EVM Chains
30+
Decentralised Web & Mobile Wallet

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Johannes testimonial video
Johannes, Dubai

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator
Rainer testimonial video
Rainer, Estonia

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen
Tech Startup CEO
Orhan testimonial video
Orhan, Germany

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Mughira testimonial video
Mughira, USA

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator
Tine testimonial video
Tine, Philippines

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen
Tech Startup CEO
Bright Enabulele testimonial video
Bright Enabulele, USA

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Louis Kelly testimonial video
Louis Kelly, UK

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Johannes testimonial video
Johannes, Dubai

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator
Rainer testimonial video
Rainer, Estonia

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen
Tech Startup CEO
Orhan testimonial video
Orhan, Germany

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Mughira testimonial video
Mughira, USA

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator
Tine testimonial video
Tine, Philippines

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen
Tech Startup CEO
Bright Enabulele testimonial video
Bright Enabulele, USA

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen
Orlando, United States
Louis Kelly testimonial video
Louis Kelly, UK

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch
Web3 Innovator
FAQs

FAQs About ERC4437 Token Development Company

ERC4437 Token Development is a standard for account abstraction on Ethereum that enables smart contract-based wallets to replace traditional Externally Owned Accounts (EOAs), unlocking advanced features like gasless transactions and programmable logic.

It eliminates seed phrase dependency, allows gas sponsorship, enables smart recovery options, and offers a much smoother onboarding experience similar to Web2 apps.

Yes. As of March 2023, ERC4437 Token Development is fully live and operational on the Ethereum mainnet and many L2s like Polygon, Optimism, and Arbitrum.

User Operations are custom transaction requests sent from a smart account, processed by bundlers instead of the base Ethereum mempool, enabling flexible transaction logic and gas handling.

A bundler acts like a miner for UserOperations, collecting, validating, and submitting them to the network on behalf of smart accounts.

Absolutely. By integrating a Paymaster contract, you can sponsor user gas fees, making the experience completely free or conditional (e.g., for certain actions or users).

Yes. When implemented correctly, it is secure and offers more flexible security layers like multi-sig, social recovery, and modular permissions, not possible in traditional EOAs.

Timelines typically range from 3 to 6 weeks, depending on custom features, integrations, and whether bundler/paymaster infrastructure needs to be built or leveraged.