IntentPay: Reimagining Web3 User Experience

IntentPay is a gasless wallet Mini App built for the World App ecosystem that fundamentally transforms how users interact with cryptocurrency and blockchain technology. Our project directly addresses the most significant barriers preventing mainstream adoption of crypto: complex user experiences, gas fee management, and the technical knowledge required for cross-chain operations.

What We're Solving

The current cryptocurrency user experience is filled with friction points that create significant barriers for mainstream users:

1. Gas Fee Complexity: Users need to maintain balances of native tokens (ETH, AVAX, etc.) for transaction fees on each chain they use.
2. Cross-Chain Confusion: Moving assets between blockchains requires understanding bridging concepts and executing multiple complex transactions.
3. Technical Terminology: Interacting with Web3 applications typically requires understanding concepts like wallets, private keys, and blockchain addresses.
4. Wallet Management: Users must secure seed phrases and manage multiple wallet connections.

Our Solution

IntentPay eliminates these barriers by creating a seamless, intent-based transaction experience:

Seamless USDC-Priced Transactions

Users can execute any transaction - whether it's a token swap, cross-chain transfer, or payment - with everything priced in USDC. We abstract away all the complexity of gas fees, token swaps, and cross-chain bridges into a simple interface where users only need to specify what they want to accomplish.

Human-Verified Identity with World ID

By integrating World ID, we ensure that all users are verified unique humans. This creates a secure environment resistant to Sybil attacks while preserving privacy through zero-knowledge proofs. Rather than managing complex wallet addresses, users can interact through their human-verified identity.

Gasless Transactions

Through Circle's Paymaster integration, we completely remove the need for users to maintain separate token balances for gas fees. Users can pay for all network fees in USDC, eliminating the need to understand or manage native tokens for transaction costs.

Multi-Chain Ecosystem

IntentPay leverages 1inch's extensive multi-chain capabilities to support transactions across numerous blockchains including Ethereum, Arbitrum, Optimism, Polygon, BSC, and more. For specific USDC transfers between Ethereum, Base, and Avalanche, we utilize Circle's CCTPv2 with gasless functionality to ensure an even smoother experience with no gas fees required.

Apple Pay Integration

We've integrated Apple Pay as an additional fiat on-ramp option, allowing users to fund their transactions directly with their credit or debit cards through a familiar payment interface. This creates another bridge between traditional finance and crypto, making the experience even more accessible to mainstream users.

QR Code Address Input

We've simplified recipient address entry through QR code scanning, eliminating the need to copy and paste long, error-prone wallet addresses. This makes sending crypto as simple as scanning a QR code, similar to popular payment apps.

World App Direct Payments

Users can fund transactions directly through World App's payment system, creating a completely integrated experience that feels familiar to traditional payment apps while enabling powerful Web3 functionality.

The User Experience

When a user opens IntentPay, they experience Web3 in a fundamentally new way:

1. Authentication: Users verify their identity through World ID, providing Sybil-resistance without exposing personal information.

2. Simplified Interface: The app presents clear options for common actions (send, swap, stake) without blockchain jargon.

3. Intent Expression: Users express what they want ("Send 100 USDC to Alice" or "Swap USDC for ETH") without needing to understand the technical mechanisms.

4. Payment Options: All costs (including gas fees) are presented in USDC, with payments processable through either World App or Apple Pay for maximum flexibility.

5. Execution: Behind the scenes, IntentPay determines the optimal route (using 1inch for swaps across numerous chains or CCTPv2 for gasless USDC transfers), executes transactions, and provides real-time feedback.

6. Confirmation: Users receive clear confirmation of their completed transaction without needing to verify through blockchain explorers.

Why This Matters

IntentPay represents a fundamental shift in how users can interact with blockchain technology. By removing technical barriers and creating a user experience that feels familiar to traditional financial applications, we're opening the door for the next wave of crypto adoption.

Our application demonstrates that with the right combination of technologies - World App's identity and payment infrastructure, Circle's cross-chain capabilities, 1inch's multi-chain liquidity aggregation, and familiar payment methods like Apple Pay - we can create blockchain experiences that are accessible to everyone, not just crypto enthusiasts.

In essence, IntentPay transforms complex blockchain operations into simple intents, allowing users to focus on what they want to accomplish rather than how to navigate the technical complexities of Web3.

IntentPay Integrations

Circle Integration

• Paymaster: Enables gasless transactions by covering network fees in USDC
• CCTP v2: Cross-chain transfer protocol connecting Ethereum, Base, and Avalanche

1inch Integration

• Swap Aggregation: Access to optimal trading routes across DEXs
• Cross-Chain Swaps: Token exchange capabilities between supported networks
• Dev Portal APIs: Integration for liquidity data and transaction execution
• Portfolio Tracking: Balance and transaction history across supported chains

World App Platform

• Mini App Framework: Seamless user experience within the World App ecosystem
• World ID: Sybil-resistant verification ensuring unique human identity
• Payment Infrastructure: Direct funding of transactions through World App
• MiniKit SDK: Streamlined integration for user authentication and payments