StartupChain

The onchain company OS for founders.

StartupChain lets you launch and run your company identity from one place—ENS name, Safe treasury, attestations, and company tokens all managed through a single dashboard. startupchain.io

Status: early production · Chain: Sepolia (testnet)

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✨ Features

Feature	Description
🪪 ENS Identity	Claim yourcompany.eth as your onchain brand
🏦 Safe Treasury	Multi-sig wallet deployed automatically for your company
📊 Dashboard	View balances, pending transactions, and activity in one place
🪙 Company Token	Deploy an ERC-20 with vesting for founders (coming soon)
🧾 Attestations	EAS-backed proofs of company activity (coming soon)

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🚀 How It Works

┌─────────────┐    ┌─────────────┐    ┌─────────────┐    ┌─────────────┐
│  1. Search  │───▶│  2. Setup   │───▶│  3. Pay     │───▶│ 4. Manage   │
│  ENS Name   │    │  Founders   │    │  One-Time   │    │  Dashboard  │
└─────────────┘    └─────────────┘    └─────────────┘    └─────────────┘
                                             │
                          ┌──────────────────┴──────────────────┐
                          │  StartupChain handles automatically: │
                          │  • ENS commit → wait 60s → register │
                          │  • Deploy Safe multisig             │
                          │  • Record company on-chain          │
                          └─────────────────────────────────────┘

1. Connect – Use your wallet or create one with Privy (built-in)
2. Search – Find an available .eth name for your company
3. Configure – Set up founders and equity splits
4. Pay – Send ETH to cover ENS + Safe + service fee
5. Done – StartupChain handles all blockchain transactions automatically

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🛠 Tech Stack

Layer	Technologies
Frontend	Next.js 16, React 19, TailwindCSS v4, shadcn/ui
Auth	Privy (embedded wallets + social login)
Blockchain	Viem, Wagmi, @ensdomains/ensjs
Treasury	Safe{Wallet} + Safe Transaction Service API
Contracts	Solidity (StartupChain.sol, CompanyToken.sol)
Chain	Ethereum Sepolia (testnet), Mainnet-ready (multi-chain aware)

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📁 Project Structure

src/
├── app/
│   ├── (public)/        # Landing page, login
│   ├── (app)/dashboard/ # Protected routes
│   │   ├── page.tsx     # Main dashboard
│   │   ├── ens/         # ENS management
│   │   ├── safe/        # Treasury & Safe info
│   │   ├── tokens/      # Company token (coming soon)
│   │   └── setup/       # Registration wizard
│   └── api/             # API routes
├── components/          # UI components
├── hooks/               # React hooks
├── lib/
│   ├── blockchain/      # Contract ABIs, Safe API, chain config
│   └── auth/            # Session management
└── contracts/           # Solidity source

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🏃 Quick Start

# Install dependencies
yarn install

# Set up environment variables
cp .env.example .env
# Fill in: NEXT_PUBLIC_PRIVY_APP_ID, ALCHEMY_API_KEY, SAFE_API_KEY, etc.

# Run development server
yarn dev

Open http://localhost:3000

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📖 Documentation

• System Flow – Full architecture diagram
• Modern React Guide – React 19 & Next.js 16 patterns
• AGENTS.md – Guidelines for AI coding agents

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💰 Costs

Component	Who Pays
ENS Registration (1 year)	User (via prepayment)
Safe Deployment	User (via prepayment)
Service Fee (25% of ENS)	User (via prepayment)
Gas Fees	Server wallet (from treasury)

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🤝 Contributing

PRs welcome! Please read AGENTS.md for coding guidelines.

# Type check
yarn tsc --noEmit

# Lint
yarn lint

# Test
yarn vitest run

# Build
yarn build

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📣 Support

Questions or ideas? Reach out on X: @gertsio or @HabacucMX

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License: MIT