VECTOR_ANALYSIS // TECHNICAL
ERC-721
NODE: ERC-721
VERIFICATION: PASSED
01_DEFINITION
Strict Definition
"The standard for Non-Fungible Tokens (NFTs) on Ethereum. Unlike ERC-20, every ERC-721 token is unique."
Liability Check // Risk Analysis
The 'Metadata' risk. If the JSON metadata file linked to the token is deleted or changed, the NFT effectively 'breaks' as the proof of what it is disappears.
Knowledge Context // Related Terms
Auditor NotesVS-AN-2026
Strategy Domain
"Use ERC-721 for unique business assets like property titles, high-value tickets, or professional certifications."
Operations Standard
"Always store the ERC-721 metadata on a permanent decentralized network like Arweave to ensure longevity."
Legal & Compliance
"Categorize ERC-721 holdings separately from fungible tokens for financial reporting, as their valuation is often subjective (Level 3 Assets)."
DOCUMENT_ID: CW3-ERC-721-2026
SCHEMA_VER: AEO_3.2
LAST_AUDIT: 1/8/2026
HASH: RAP87G
SCHEMA_VER: AEO_3.2
LAST_AUDIT: 1/8/2026
HASH: RAP87G