Setup

This guide walks you through setting up the Next.js template for building confidential Solana dApps.

Clone the Template

git clone https://github.com/Inco-fhevm/nextjs-template-svm.git
cd nextjs-template-svm

Install Dependencies

npm install

yarn install

bun install

Dependencies Overview

The template uses these key packages:

{
  "dependencies": {
    "@coral-xyz/anchor": "^0.32.1",
    "@inco/solana-sdk": "^0.0.2",
    "@solana/wallet-adapter-react": "^0.15.35",
    "@solana/wallet-adapter-react-ui": "^0.9.35",
    "@solana/wallet-adapter-wallets": "^0.19.32",
    "@solana/web3.js": "^1.95.3",
    "next": "16.1.1",
    "react": "19.2.3"
  }
}

Package	Purpose
`@inco/solana-sdk`	Encrypt values and decrypt handles
`@coral-xyz/anchor`	Interact with Solana programs
`@solana/wallet-adapter-*`	Wallet connection UI and hooks
`@solana/web3.js`	Solana blockchain interactions

Environment Variables

Create a .env.local file in your project root:

# Solana RPC endpoint (optional - defaults to devnet)
NEXT_PUBLIC_SOLANA_RPC_URL=https://api.devnet.solana.com

Run the Development Server

npm run dev

yarn run dev

bun run dev

Open http://localhost:3000 in your browser.

What You Should See

Header with Inco logo and “Connect Wallet” button
Amount Input field (disabled until wallet connected)
Balance Display showing ”****” (hidden until revealed)

Connect Your Wallet

Click “Connect Wallet”
Select your wallet (Phantom, Solflare, etc.)
Approve the connection

Once connected, you can:

Enter an amount and encrypt it
Mint confidential tokens
Reveal your encrypted balance

Next Steps

Now that your project is running, learn about the Project Structure to understand how everything fits together.

​Setup

​Clone the Template

​Install Dependencies

​Dependencies Overview

​Environment Variables

​Run the Development Server

​What You Should See

​Connect Your Wallet

​Next Steps