Ease

Built at ETHGlobal 2025 with @Oliverpt-1.

Ease is a biometric smart account wallet that uses facial recognition to secure ERC-4337 smart accounts. Built on Kernel v3 and ERC-7579, it enables passwordless on-chain transactions authenticated by your face.

Features

• Facial Recognition Validator - Custom ERC-7579 validator module using CompreFace for biometric authentication
• Smart Account Wallets - ERC-4337 account abstraction with Kernel v3
• Merchant Payments - On-chain checkout flow with MerchantAccount and CheckoutProcessor contracts
• Cross-Chain Support - LayerZero v2 integration for multi-chain operations

Stack

• Frontend: Next.js, TypeScript, Radix UI
• Smart Contracts: Solidity, Foundry
• Account Abstraction: ERC-4337 (Kernel v3), ERC-7579
• Biometrics: CompreFace
• Cross-Chain: LayerZero v2

Getting Started

# Install dependencies
npm install

# Run the development server
npm run dev

Smart Contracts

# Build contracts
forge build

# Run tests
forge test

# Deploy to Sepolia
./deploy-sepolia.sh

Environment Setup

Copy .env.example and fill in your values:

cp .env.example .env.local

See README-DEPLOYMENT.md for Railway deployment instructions.

Contracts

Contract	Description
FaceRecognitionValidator	ERC-7579 validator module for biometric auth
MerchantAccount	On-chain merchant payment accounts
CheckoutProcessor	Payment processing and checkout flow