Open Call TrustChain 5: green, scalable and sustainable DLT
The TrustChain project aims to apply decentralized technology (DLT – Distributed Ledger Tecnology) to achieve energy efficiency
Who can participate?
Researchers, non-profit entities, and companies, working on different topics relevant to the call, such as software engineering, network security, semantic web, cryptography, blockchain, digital twin, digital identity, as well as entities linked to social innovation.
Types of participation:
- Development teams (individuals)
- Individual proposals from entities or consortia of entities: universities, research centres, NGOs, foundations, SMEs, and also large companies working on the Internet or other related technologies.
Typology of projects
Innovation projects of up to 9 months duration, developing applications focused on the real energy efficiency needs of end-users in a specific sector (banking, education, health or e-government), in line with the following challenges already identified:
- Energy-efficient consensus mechanisms: Design protocols that consume less power than the Proof of Work, while maintaining security and system integrity between nodes.
- Balance between reliability and efficiency: Ensure high levels of decentralization to maintain trust and democratic control, while optimizing the number of participating nodes to reduce energy consumption.
- Chain and off-chain data management: Optimize the storage and transmission of data in the network to reduce energy consumption, while ensuring accuracy, integrity and reliability of information.
- Digital identity integration: Implement digital identities to simplify processes and strengthen trust, while ensuring privacy and security in the decentralized system.
- Compatibility with current DLT infrastructure: Ensure that new mechanisms to improve energy efficiency and sustainability are easily integrated into existing DLT systems, without affecting their functionality or scalability.
- Smart oracles: Develop energy-efficient, safe, reliable and privacy-friendly technologies using smart oracles to connect with the real world and bridges to link different blockchain.
- Decentralized green certificate oracles: Automate the issuance, monitoring and verification of green certificates, such as renewable energy certificates. Decentralized oracles ensure reliable and tamper-resistant data integration, improving the transparency and reliability of these certificates. This facilitates more efficient trading and reduces fraud in renewable energy markets.
- Energy-efficient, trusted enclaves: Create reliable, less power consuming execution environments by combining technologies such as secure decentralized processing, secure multi-part computing and zero knowledge proof (ZKP) analysis.
- Decentralized physical infrastructure: These networks collectively extend the physical infrastructure, offering greater availability, coverage and lower marginal costs. However, their design often does not maximize energy efficiency or overall profitability.
- Token strategies for sustainability: Implement models based on cryptocurrencies, tokens and tokenized economies to incentivise the achievement of sustainable goals
- Balance between privacy and sustainability: Mechanisms for improving privacy are often energy-intensive. It is essential to optimize their use, applying them only when strictly necessary and always choosing the most efficient options.
- Adaptation to the circular economy and waste reduction: Solutions should prioritize renewable materials, minimize waste and encourage recycling and reuse of components. This involves designing technologies aligned with the principles of the circular economy.
- Efficient use of under-utilized resources: Design systems that take advantage of existing IT and storage infrastructure during low-activity periods.
Funding offered
Up to 17 projects will be supported through flat-rate funding, up to the available budget: €1,989,000
More Information
This information is disseminated through the DIGIS3 project. DIHBU, as a member of DIGIS3, can help you submit a proposal for this funding opportunity through its support services, which are free for SMEs.

