Is Blockchain the Future of AI Alignment? Developing a Framework and a Research Agenda Based on a Systematic Literature Review
Abstract
1. Introduction
2. Background
2.1. Related Work at the Intersection of AI, AI Alignment, Blockchain, and Ethics
2.2. Ethical Dimensions of Blockchain and AI Integration
3. Methodology
- Our objectives and research questions;
- Our search strategy;
- Our search criteria;
- Our inclusion and exclusion criteria;
- Our search and selection procedure;
- The data extraction and synthesis;
- Important characteristics of the selected primary studies.
3.1. Objectives and Research Questions
- Creation of a reliable and ethical framework for AI systems.
- Alignment of AI systems with human values.
- Effective control of AI systems.
- Identification of the limitations in the AI alignment literature.
- Systematic analysis of whether blockchain can address the limitations in the current AI alignment literature.
- Investigation of the potential of blockchain to increase the security of AI alignment and its compliance with ethical standards.
- ICRQ1: How can blockchain meet the limitations of existing AI alignment approaches fostering ethical technology?
- ICRQ2: What are the potential benefits and limitations of using blockchain technology to govern and enforce AI alignment?
- ICRQ3: To what extent can blockchain-based consensus mechanisms be used to facilitate the development of ethical AI for specific applications?
- ICRQ4: What are the key challenges and research gaps that need to be addressed to effectively integrate blockchain technology with existing frameworks for AI alignment and the development of ethical AI systems?
- ICRQ5: How can blockchain-based consensus mechanisms facilitate human voting on ethical principles for AI development, promoting better alignment with human values?
- ICRQ6: How can blockchain-based consensus mechanisms/blockchain technology facilitate human involvement in ethical decisions on AI alignment?
- ICRQ7: How can blockchain-based consensus mechanisms/blockchain technology improve human oversight in AI decision-making processes, promoting better alignment with ethical principles?
3.2. Search Strategy
3.3. Search Criteria
3.4. Inclusion and Exclusion Criteria
3.4.1. Inclusion Criteria
- IC1: Study language is English;
- IC2: Study includes at least one keyword from each keyword domain: AI, blockchain, and ethics;
- IC3: Study is either a peer-reviewed journal article, a book chapter, conference proceedings, or a book/eBook.
- Whether quality criteria (Methodology, Clarity, Completeness, Transparency) were met;
- Whether inclusion criteria research questions (ICRQ1, ICRQ2, …, ICRQ7) were answered.
3.4.2. Exclusion Criteria
- EC1: Studies that do not meet the quality criteria;
- EC2: Studies that do not answer any of the ICRQs;
- EC3: Studies that do not meet all inclusion criteria.
- EC4: Studies where the full text could not be retrieved;
- EC5: Studies where the full text could not be retrieved in English;
- EC6: Studies that are too short in length;
- EC7: Studies that do not discuss the intersections between AI, blockchain, and ethics to a sufficient extent.
3.5. Search and Selection Procedure
3.6. Characteristics of Selected Primary Studies
4. Quantitative Analysis
4.1. Topic Analysis
4.2. Polarity vs. Subjectivity by Topic
- Data Privacy, Security, and Fairness;
- Blockchain Supply Chain and Humanitarianism;
- Blockchain and AI Ethics Research;
- Governance, Healthcare, and Corporate AI;
- Blockchain and Social-Ethical Aspects.
4.3. Distribution of Studies Across Topics
4.4. Average Polarity by Topic
5. Qualitative Analysis
5.1. Ethical AI Frameworks
5.2. Blockchain as a Basis for Ethical AI
5.3. Blockchain-Based AI Use Cases
5.4. Challenges in Integrating Blockchain and AI
6. Framework Development
6.1. Explanations of Decisions Involving Ethical Considerations
6.2. Application of the Proposed Framework
7. Discussion
Research Agenda
- Multi-Layered Framework Development: Integrated models should be developed that incorporate micro-level security and privacy mechanisms, meso-level sectoral governance, and macro-level legal constraints into a single, adaptable structure. Researchers could develop prototype architectures in which smart contracts or token systems reflect high-level ethical rules while maintaining sector-specific standards.
- Cross-Sector Interoperability: Future studies could systematically compare how blockchain-based AI systems work in sectors as diverse as healthcare and financial services to derive cross-sector best practices. This comparative perspective should clarify how universal ethical guidelines can be mapped to localized compliance requirements to enable cross-sector interoperability of technology and governance.
- Metrics and Evaluation for AI Alignment: Standardized metrics are needed to assess whether blockchain-based AI solutions meet ethical standards regarding, for example, privacy and fairness. Future work could investigate quantifiable indicators such as bias detection rates or transparency indices and evaluate them empirically in various pilot projects and industrial use cases.
- Adaptive Governance and Lifecycle Management: Another gap in the literature concerns the continuous monitoring of blockchain-based AI systems, where ethical requirements evolve in parallel with changing regulations or application-specific constraints. Research on adoptive governance mechanisms, smart contract updates, and automated monitoring would contribute to ensuring that, once deployed, solutions remain compatible with evolving societal expectations.
- Scalability and Sustainability: Only a few papers address the environmental footprint or scalability bottlenecks of emerging technologies such as blockchain and AI. Future work should therefore discuss efficient consensus algorithms, off-chain data approaches, and hardware optimizations so that blockchain-based AI alignment does not become too resource-intensive.
8. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
Abbreviation | Meaning |
AI | Artificial Intelligence |
AGI | Artificial General Intelligence |
BC | Blockchain |
COMET | Competence Centers for Excellent Technologies |
DeFI | Decentralized Finance |
DLT | Distributed Ledger Technology |
DNS | Domain Name System |
EC | Exclusion Criteria |
IC | Inclusion Criteria |
IT | Information Technologies |
ICRQ | Inclusion Criteria Research Question |
IoT | Internet of Things |
ML | Machine Learning |
PoP | Proof of Personhood |
PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
SC | Smart Contract |
SLR | Systematic Literature Review |
UTAR | Understanding, Technology, Application, and Regulation |
ZKP | Zero-Knowledge Proof |
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Survey | Relevance | Topics Discussed in Sufficient Depth | |||||
---|---|---|---|---|---|---|---|
Year * | SLR ** | AI | AI *** Alignment | Blockchain (BC) | BC-Based AI Alignment | Ethics | |
Ref. [16] | 2018 | High | ✓ | - | ✓ | - | - |
Ref. [17] | 2018 | Low | - | - | ✓ | - | ✓ |
Ref. [18] | 2021 | Low | ✓ | ✓ | ✓ | - | ✓ |
Ref. [19] | 2021 | High | ✓ | - | - | - | ✓ |
Ref. [20] | 2022 | High | ✓ | ✓ | - | - | - |
Our SLR | 2024 | High | ✓ | ✓ | ✓ | ✓ | ✓ |
Publication Year | Number of Papers | References |
---|---|---|
2024 | 8 | [25,26,27,28,29,30,31,32] |
2023 | 10 | [11,33,34,35,36,37,38,39,40,41] |
2022 | 8 | [42,43,44,45,46,47,48,49] |
2021 | 4 | [50,51,52,53] |
2020 | 7 | [17,54,55,56,57,58,59] |
2019 | 8 | [60,61,62,63,64,65,66,67] |
2018 | 1 | [68] |
Identified Use Cases (Alphabetically) | AI Application Context | Foundational Ethical Contributions | Operational Ethical Contributions | Individual Ethical Contributions | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Decentralization | Immutability | Transparency |
Data Integrity/
Authenticity | Security |
Traceability/
Auditability | Accountability |
Consent
Management |
Privacy
(ZKPs) | ||
Education | Student Data Management and Usage Tracking | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | (✓) | (✓) |
Fake News | News Content Verification and Detection | ✓ | ✓ | ✓ | ✓ | - | ✓ | ✓ | - | - |
Financial Services | AI-Powered Fraud Detection, Automated Transactions | ✓ | (✓) | ✓ | ✓ | ✓ | ✓ | (✓) | - | - |
Healthcare | AI-Assisted Diagnostics and Monitoring, Secure Data Sharing for AI, Ethical Data Processing | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Public Sector | Refugee Identity Management, Voting Systems, Carbon Credits Management | ✓ | ✓ | ✓ | ✓ | ✓ | (✓) | (✓) | - | - |
Supply Chain | AI-Assisted Counterfeit Detection, Traceability and Optimization | ✓ | (✓) | ✓ | ✓ | (✓) | ✓ | (✓) | - | - |
Dimension | Main Leaf | Year | Reference | Description |
---|---|---|---|---|
Micro Level | Autonomy | 2019 | Ref. [62] | Explores blockchain integration within distributed AI and multi-agent systems. |
Consensus | 2023 | Ref. [11] | Technical paper on blockchain-based AI alignment using a Proof of Personhood consensus mechanism. | |
Responsibility | 2023 | Ref. [33] | Develops a technical framework for ethics risk assessment. | |
2022 | Ref. [48] | Focuses on the organizational level of blockchain integration in corporate environments. | ||
Security | 2023 | Ref. [34] | Analyzes security, transparency, and governance aspects of Metaverse applications. | |
Smart Contracts | 2022 | Ref. [49] | Analyzes the microeconomic effects of crypto-economic tokens on user behavior. | |
2019 | Ref. [66] | Analyzes blockchain infrastructure, smart contracts, and trust mechanisms. | ||
Transparency | 2022 | Ref. [44] | Explores AI-driven fake news detection using technical methods. | |
Meso Level | Codified Laws | 2020 | Ref. [57] | Examines blockchain’s role in corporate governance and sector-specific regulation. |
Financial Services | 2023 | Ref. [39] | Examines blockchain integration in accounting ERP systems, an industry-specific issue. | |
2020 | Ref. [58] | Focuses on the sector-specific impacts of blockchain in the financial industry. | ||
Healthcare | 2024 | Ref. [30] | Focuses on healthcare’s industry-specific regulations and challenges, which places it at the meso level. | |
2024 | Ref. [32] | Focuses on healthcare-specific regulations and practical use cases, positioning it within the meso-level discussion. | ||
2023 | Ref. [35] | Discusses trustworthy AI in healthcare, an industry-specific application. | ||
2022 | Ref. [43] | Discusses blockchain applications in a specific industry (healthcare). | ||
2021 | Ref. [52] | Focuses on healthcare-specific blockchain applications and regulatory compliance. | ||
2021 | Ref. [53] | Addresses healthcare-specific blockchain implementations and privacy challenges. | ||
2020 | Ref. [56] | Focuses on blockchain-based informed consent management in the healthcare sector. | ||
Societal Services | 2024 | Ref. [25] | Focuses on organizational adoption and governance of blockchain technology. | |
2023 | Ref. [36] | Explores blockchain adoption in a specific industry (fruit supply chain). | ||
2022 | Ref. [42] | Examines ethical sourcing challenges in a specific industry, making it a meso-level issue. | ||
2021 | Ref. [51] | Focuses on the humanitarian sector, making it a meso-level issue. | ||
Macro Level | Emerging Technologies | 2024 | Ref. [31] | Emphasizes the need for privacy considerations at a society-wide level, integrating legal frameworks, social equity, and long-term policy. |
2021 | Ref. [50] | Examines large-scale ethical, legal, and governance considerations for AI. | ||
2020 | Ref. [17] | Explores the governance, decentralization, and broad societal impacts of blockchain. | ||
2020 | Ref. [54] | Provides a broad review of blockchain’s ethical and regulatory frameworks. | ||
2019 | Ref. [67] | Explores blockchain, AI, IoT, and ethical governance at a societal level. | ||
2019 | Ref. [61] | Discusses AI decentralization, governance, and ethical frameworks on a global scale. | ||
2019 | Ref. [63] | Examines AI safety, governance, and regulatory frameworks for AGI development. | ||
2018 | Ref. [68] | Develops a governance-oriented framework for blockchain’s impact on human interaction. | ||
Ethics Theories | 2024 | Ref. [27] | Although the article touches on some micro-level ledger details, it ultimately focuses on blockchain’s broad societal and regulatory impacts. | |
2022 | Ref. [47] | A broad philosophical examination of Kantian ethics in a global blockchain context, making it a macro-level analysis. | ||
2020 | Ref. [55] | Discusses AI ethics, digital governance, and societal accountability on a broad level. | ||
Governance | 2024 | Ref. [26] | Focuses on system-wide, regulatory, and societal challenges in national infrastructure. | |
2024 | Ref. [28] | Centers on the large-scale, policy-relevant impacts of blockchain, spanning governance, regulation, and societal concerns. | ||
2024 | Ref. [29] | Focuses on how blockchain can be integrated into biomedical research through broad regulatory and ethical norms. | ||
2023 | Ref. [41] | Focuses on comprehensive government-driven standards for educational data ethics. | ||
2023 | Ref. [40] | Emphasizes global adoption and international ethical frameworks for blockchain–digital twin technologies. | ||
2023 | Ref. [37] | Focuses on AI and public governance, which aligns with macro-level policy concerns. | ||
2022 | Ref. [45] | Discusses blockchain’s role in public governance and ethics at a macro scale. | ||
2020 | Ref. [59] | Examines AI governance, transparency, and regulatory compliance at a societal level. | ||
2019 | Ref. [60] | Focuses on AI transparency, governance, and compliance with global privacy laws. | ||
2019 | Ref. [65] | Analyzes blockchain governance, decentralization, and economic impacts. | ||
Society | 2023 | Ref. [38] | Examines global ethics, identity, and data rights at the macro scale. | |
2022 | Ref. [46] | Discusses the societal and regulatory implications of fake news and blockchain at the macro level. | ||
2019 | Ref. [64] | Focuses on global systemic risks and power imbalances in humanitarian tech use. |
Dimension | Leafs | Selected Ethical Consideration and Challenges | Research Questions |
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© 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Neulinger, A.; Sparer, L.; Roshanaei, M.; Ostojić, D.; Kakka, J.; Ramljak, D. Is Blockchain the Future of AI Alignment? Developing a Framework and a Research Agenda Based on a Systematic Literature Review. J. Cybersecur. Priv. 2025, 5, 50. https://doi.org/10.3390/jcp5030050
Neulinger A, Sparer L, Roshanaei M, Ostojić D, Kakka J, Ramljak D. Is Blockchain the Future of AI Alignment? Developing a Framework and a Research Agenda Based on a Systematic Literature Review. Journal of Cybersecurity and Privacy. 2025; 5(3):50. https://doi.org/10.3390/jcp5030050
Chicago/Turabian StyleNeulinger, Alexander, Lukas Sparer, Maryam Roshanaei, Dragutin Ostojić, Jainil Kakka, and Dušan Ramljak. 2025. "Is Blockchain the Future of AI Alignment? Developing a Framework and a Research Agenda Based on a Systematic Literature Review" Journal of Cybersecurity and Privacy 5, no. 3: 50. https://doi.org/10.3390/jcp5030050
APA StyleNeulinger, A., Sparer, L., Roshanaei, M., Ostojić, D., Kakka, J., & Ramljak, D. (2025). Is Blockchain the Future of AI Alignment? Developing a Framework and a Research Agenda Based on a Systematic Literature Review. Journal of Cybersecurity and Privacy, 5(3), 50. https://doi.org/10.3390/jcp5030050