## Digital Product Passport for Plastic: Blockchain Traceability, Supply Chain Transparency, and Regulatory Compliance
### EU Digital Product Passport (DPP)
**Regulatory Basis**:
– Ecodesign for Sustainable Products Regulation (ESPR)
– Mandatory: 2027-2030 phased implementation
– Scope: Batteries, textiles, construction, plastics
**Required Data**:
– Material composition
– Recycled content percentage
– Carbon footprint
– Chemical substances
– Repair/disposal information
### Blockchain Technology
**Implementation**:
– Ethereum/Polygon networks
– Smart contracts for verification
– Immutable record keeping
– Decentralized validation
**Benefits**:
– Fraud prevention
– Real-time tracking
– Automated compliance
– Consumer trust
### Supply Chain Applications
**Traceability Levels**:
– Level 1: Company verification
– Level 2: Product batch tracking
– Level 3: Material origin
– Level 4: Full lifecycle
**Integration Points**:
– ERP systems
– IoT sensors
– Quality databases
– Certification bodies
### Compliance Value
**Regulatory**:
– EU ESPR readiness
– CBAM documentation
– EPR reporting
– Due diligence
**Commercial**:
– Brand protection
– Premium pricing
– Market access
– Risk mitigation
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**Keywords**: digital product passport, blockchain traceability, supply chain transparency, ESPR regulation, plastic compliance