Hardware Anchors
NTAG 424 DNA chips generate dynamic SUN (Secure Unique NFC) signatures on every tap, making cloning mathematically impossible.
Absolute Compliance
Out-of-the-box compliance with ESPR, JTC24, and GS1 Digital Link standards. Seamlessly bridge physical items to their Digital Twins.
Tokenomics Built-in
Smart contract escrow powers circular economy deposit systems (Pfandsystem) and secondary market royalty distribution instantly.
Seamless Integration
POST /v1/dpp/mint
// Pre-requisite: Workflow 1 (Initialize Chip) must be completed first!
const response = await fetch('https://api.v-ledger.com/v1/dpp/mint', {
method: 'POST',
headers: {
'Authorization': 'Bearer vk_live_...', // Use vk_test_... for local debugging
'x-vledger-env': 'live',
'Content-Type': 'application/json'
},
body: JSON.stringify({
name: "V-Ledger Demo Battery X1",
chipUid: "04B84542152390",
nfcData: "c=42&sv=ECAEBC91A841FFA...", // 🔑 Flat Secure URL String from Chip
custom_dpp_data: {
gtin: "04200000000001",
category: "battery",
originCountry: "CN",
conformity_url: "https://v-ledger.com/compliance/doc", // Required
manufacturer_name: "V-Ledger Precision Labs",
material_composition: { "Lithium": 40, "Cobalt": 60 }
}
})
});💡 Constraint: Der Endpoint /v1/dpp/mint setzt voraus, dass der physische Chip bereits im Backend bekannt ist (Workflow 1: Initialisierung & Enrollment).