NEUS Docs | The Portable Trust Layer

Verifier ID: nft-ownership Lookup gate: wallet must hold the NFT at check time.

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Lookup. NEUS checks on-chain ownership.

Field	Required	Notes
`contractAddress`	Yes	NFT contract or mint
`tokenId`	Yes	Token ID
`chainId` or `chain`	Yes	EVM `chainId` or Solana CAIP-2 chain

{
  "contractAddress": "0x...",
  "tokenId": "1",
  "chainId": 8453
}

High-stakes access: pair with freshness checks or require a new proof when policy demands it.