HarvestNFT
Permanent File Storage
Store Any File Permanently with On‑Chain Verification
Upload files to Arweave (permanent storage) and mint NFTs with watermark verification, automated royalties, and cross‑chain claiming.
Mint Cost: ~($5 USD) + gas + file size Pay with ETH, WETH, or USDC on Unichain
Watermark Verification
Every file gets a unique watermark stored on‑chain for legal verification and copyright protection.
mapping(bytes32 => uint256) public watermarkHashToTokenId;
function verifyWatermark(bytes32 hash) returns (tokenId, isMatch);Automated Royalties
5% creator royalties enforced on all secondary sales, distributed automatically.
uint256 public creatorRoyaltyBasisPoints = 500;
function royaltyInfo() returns (receiver, royaltyAmount);Cross‑Chain Minting
Mint on Unichain (L2), claim your NFT on Ethereum (L1) – fast, cheap, and secure.
Mint on L2 → Merkle proof → Claim on L1How It Works
Upload File
Upload to Arweave for permanent storage.
Mint on L2
Pay with ETH, WETH, or USDC on Unichain.
Claim on L1
Receive your NFT on Ethereum Mainnet with full verification.