DPP combines identity, ownership and industrial audit proof.
Use this when the buyer asks for a serious enterprise story: QR/GS1 and NFC for the object, Polygon for ownership, IOTA for audit evidence.
- 1ObjectQR/GS1 plus NFC prove the physical item.
- 2OwnerPolygon represents approved ownership.
- 3AuditIOTA anchors hash-only evidence.