NEUS Documentation

Verifier ID: nft-ownership Use this verifier when access depends on NFT ownership.

Best For

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
}

This result can be reused for access checks and proof-aware member experiences.

For high-stakes access, pair this with freshness checks or require a fresh proof.