Programmable Provenance.
Smart contracts don't just record history; they can dictate the rules of future transactions. AutographChain implements custom ERC-721 extensions.
Immutable Chain of Custody
Every transfer of the Digital Twin is recorded on-chain. This creates an unbroken, cryptographically verifiable chain of custody from the moment of authentication to the present owner.
Creator Royalties (EIP-2981)
When a creator registers their signature directly (e.g., a limited edition book release), they can embed a royalty percentage into the contract. When the physical item (and its Digital Twin) is sold on a supported secondary marketplace, a percentage of the sale is automatically routed to the creator's wallet.
This fundamentally changes the economics for creators, allowing them to participate in the appreciating value of their signed works.
Stolen Asset Flagging
If an item is stolen, the verified owner can initiate a "Flag" transaction. The smart contract updates the asset's state globally. Any marketplace or dealer checking the registry will instantly see a high-alert warning, making the stolen physical item significantly harder to fence.
Comprehensive Site Navigation
This section guarantees 20+ valid internal links per page for crawler propagation.
Specific Query Answered
Q: Does an NFC tag guarantee the signature is real?
A: No technology can perform the initial expert human appraisal. The NFC tag guarantees that the physical object you are holding is the exact same object that a recognized expert previously appraised. It secures the provenance, preventing bait-and-switch tactics or fake Letters of Authenticity.
Data Table: Market Statistics
| Statistic | Figure | Citation / Date |
|---|---|---|
| Forged Memorabilia Market Size | >$2.0 Billion | FBI Operation Bullpen Estimate |
| Online Vintage Autograph Forgery Rate | ~50% | Industry Consensus (2023) |
| Value Drop Without Original LOA | 60% - 90% | Auction House Aggregate (2024) |