🛂 Skill Passport – On-Chain Skill Verification (Solana)

A decentralized application that allows users to:

• ✅ Store skill proofs permanently on Solana Devnet
• 🧾 Record proof metadata using on-chain Memo transactions
• 🪙 Mint an NFT representing the verified skill
• 🔍 View and verify all submissions directly from the blockchain

Built using Next.js App Router + Solana Web3.js + SPL Token Program.

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🚀 Live Concept

Skill Passport enables developers to create a verifiable, on-chain record of their skills.

Each submission:

1. Stores skill data on-chain using the SPL Memo Program
2. Mints a unique NFT to the user's wallet
3. Allows public verification via Solana Explorer

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🧱 Tech Stack

• Frontend: Next.js 16 (App Router)
• Styling: TailwindCSS
• Blockchain: Solana Devnet
• Wallet Integration: Solana Wallet Adapter (Phantom)
• NFT Minting: SPL Token Program
• RPC: Solana Web3.js

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⚙️ Architecture Overview

1️⃣ Wallet Integration

Global wallet context via WalletProvider enables Phantom connection across routes.

2️⃣ On-Chain Proof Storage

Skill data is written to Solana using:

• createMemoInstruction
• Confirmed via connection.confirmTransaction

3️⃣ NFT Minting (Manual SPL Flow)

NFT is minted manually using:

• SystemProgram.createAccount
• createInitializeMintInstruction
• createAssociatedTokenAccountInstruction
• createMintToInstruction

4️⃣ Profile Page Parsing

The /profile route:

• Fetches recent wallet transactions
• Parses Memo logs
• Displays structured skill cards
• Provides direct Solana Explorer verification links

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🖥️ Running Locally

npm install
npm run dev