Perform privacy impact assessments

Perform privacy impact assessments (PIAs) before deploying new features or updates to evaluate potential risks.
Requirement category Privacy Impact Assessments

Use differential privacy techniques

Use differential privacy techniques to share aggregated data without revealing individual details.
Requirement category Differential Privacy

Robust authentication and authorization

Enforce robust authentication and authorization mechanisms to control access to data stored in blockchain systems.
Requirement category Access Control

Store only necessary data

Collect and store only the data that is absolutely necessary for the blockchain operation.
Requirement category Data Minimization, GDPR Art. 5(1)(c) on Data Minimization

Strong encryption algorithms

Use strong encryption algorithms to secure sensitive data before storing it on-chain or off-chain.
Requirement category Encryption

Manage pseudonyms

Regularly rotate or manage pseudonyms to avoid correlation attacks.
Requirement category Pseudonymization, GDPR Art. 32 on Pseudonymisation and Encryption

Use pseudonymous identifiers

Ensure users interact with the blockchain using pseudonymous identifiers rather than directly linking their real identities.
Requirement category Pseudonymization, GDPR Art. 32 on Pseudonymisation and Encryption

Employ privacy-preserving techniques

Employ privacy-preserving techniques, such as zero-knowledge proofs, to secure sensitive information
Requirement category Privacy protection of sensitive data

Storage of Biometric Data

Store the biometric data directly on a ledger.
Requirement category Privacy protection of sensitive data

Smart Grid Integration

Integrate blockchain with smart grid and utility management systems to optimize energy consumption and promote renewable energy adoption.
Requirement category Energy Efficiency Applications

Cultural Asset Passports

Record provenance and track cultural heritage items on blockchain to protect and sustainably preserve cultural assets while preventing illicit trafficking.
Requirement category Enable Circular Economy Models

Battery Passports

Use blockchain to track battery origins, usage, and recycling processes, ensuring compliance with battery regulations and monitoring environmental impacts.
Requirement category Enable Circular Economy Models

Digital Product Passports

Implement blockchain-based digital passports to record complete product lifecycles, enhancing traceability and supporting recycling and circular economy practices.
Requirement category Enable Circular Economy Models

Trace Product Lifecycles

Use blockchain to trace product lifecycles, from sourcing to recycling, to facilitate reuse, proper waste management, and resource recovery.
Requirement category Enable Circular Economy Models

Shared DLT Platforms

Build shared DLT platforms that engage all supply‑chain or ecosystem stakeholders in transparent reporting and collective sustainability initiatives.
Requirement category Foster Collaborative Sustainability Efforts

CO2 Emissions Monitoring

Deploy blockchain solutions to monitor, report, and verify CO2 emissions in carbon trading schemes (e.g. EU ETS), thereby enhancing data accuracy and regulatory transparency.
Requirement category Support Carbon Credit & Offset Markets

Tokenize Carbon Credits

Tokenize carbon credits and automate trading/verification using smart contracts to streamline and secure carbon offset mechanisms.
Requirement category Support Carbon Credit & Offset Markets

Tamper-proof ESG Reporting

Requirement category ESG Reporting Integration

Energy-efficient Hardware

Utilize energy‑efficient hardware to optimize node performance and lower overall resource use.
Requirement category Enhance Operational Sustainability, Enhance Operational Sustainability

Green Data Centers

Adopt Green Data Centers to Enhance Blockchain Sustainability
Requirement category Enhance Operational Sustainability, Enhance Operational Sustainability

Off-chain Processing

Implement off-chain processing to reduce on-chain congestion and enhance sustainability.
Requirement category Enhance Operational Sustainability

Crypto payment

Requirement category Enhance economic growth and new employment opportunities, Support innovation and fair competition on a cross-border basis

Layer two solutions

Implement layer‑2 solutions to reduce on‑chain computational loads.
Requirement category Minimize Energy Consumption and Carbon Footprint, Enhance Operational Sustainability

Renewable energy for Node Operations

Reduce the environmental impact of blockchain networks by powering node operations with renewable energy
Requirement category Minimize Energy Consumption and Carbon Footprint, Enhance Operational Sustainability

Energy efficient consensus mechanisms

Use energy-efficient mechanisms (e.g., Proof of Stake) to ensure scalability and reduced resource usage.
Requirement category Minimize Energy Consumption and Carbon Footprint, Deploy environmentally-friendly solutions