🏷️ Hayola Gold — Full Simulation

⚙️ Contract Config

Deploy the contract first via Remix, then paste the address here.

1 Simulate NFC Card

Generate a keypair that simulates the NFC card's chip. In production, this lives inside the physical card.

2 Mint NFT (use Remix)

Copy these values into Remix's mint function:

3 Verify Basic (lookup only)

4 Verify with Card (signature proof)

Simulates tapping the NFC card — card signs a random challenge.

5 Transfer (card + owner signature)