1. Cryptocurrency Payments & On-Chain Transactions 

• Payment Methods: Supports major cryptocurrencies (BTC, ETH, etc.). 
• Blockchain Notarization: All transaction processes (purchase, transfer, collateralization) are recorded on-chain for transparent traceability. 
• NFT Assetization: 
  • Each jewelry item is linked to an extended ERC-721 NFT, containing: 
    • Metadata: GIA/IGI certificates, high-resolution images or 3D models, origin details (stored on IPFS/Arweave). 
• Proof of Ownership: The extended NFT is bound to the buyer’s wallet address, ensuring exclusive ownership rights. 

2. Collateralized Loans & Consignment Services 

Items purchased on Nextvault can be used for crypto-backed loans or resale via verifiable on-chain records and NFT certificates. 

• Collateralized Lending: 
  • Users may pledge Nextvault-purchased items to obtain cryptocurrency loans (e.g., BTC, ETH, or platform tokens). 
• Loan-to-Value (LTV) ratios are determined by on-chain valuation (market data + AI authentication). 
• On-Chain Consignment: 
  • Users may list items for sale, with escrow services provided by the platform (physical jewelry stored in certified vaults). 
• Smart contracts automate secure asset-funds settlement. 

3. Anti-Counterfeiting & Trust Framework 

• Immutable Records: Certification, transaction history, and ownership transfers are permanently recorded on-chain. 
• Optional NFC Chip Integration: High-value items may embed tamper-proof NFC chips for physical-to-digital verification. 

4. Tokenomics 

• Future Platform Token: Utility includes fee payments, governance participation, and exclusive discounts. 

5. Shipping & Customs Policy 

• Nextvault covers shipping insurance and logistics costs, while customs duties/taxes are the buyer’s responsibility. 

6. Governance 

• Nextvault reserves the sole right to modify platform rules and provide final interpretations.