Common problems researchers identify · 01Financial Sector Transparency Gaps
223 papers20.6% of this theme group
Researchers highlight limited transparency and integration challenges when applying blockchain to financial services.
Blockchain (203) · Financial services (26) · Financial sector (13) · Transparency (33)
Adoption of Blockchain Technology in the Financial Sector
Blockchain Technology for the Financial Market
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Common problems researchers identify · 02Security and Privacy Threats
210 papers19.4% of this theme group
Studies flag pervasive security vulnerabilities and privacy risks in blockchain and cryptocurrency deployments.
Computer security (182) · Blockchain (201) · Cryptocurrency (33) · Cloud computing (20)
A Comprehensive survey on Blockchain: Working, security analysis, privacy threats and potential applications
Exploring Security Threats on Blockchain Technology along with possible Remedies
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Common problems researchers identify · 03Voting and Identity Risks
185 papers17.1% of this theme group
Papers point to trust, privacy, and scalability issues for blockchain‑based voting and identity systems.
Computer security (136) · Blockchain (174) · Voting (19) · Identity (11)
Blockchain Technology:– A New Technology for Creating Distributed and Trusted Computing Environment
E - Voting Using Blockchain
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Common problems researchers identify · 04Healthcare Data Protection Issues
144 papers13.3% of this theme group
Researchers note obstacles in securing patient records and ensuring compliance within blockchain health‑care solutions.
Health care (97) · Blockchain (135) · Computer security (78) · Health records (7)
Digital Healthcare using Blockchain
Application of Blockchain in Digital Healthcare
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Common problems researchers identify · 05IoT Scalability and Security Limits
131 papers12.1% of this theme group
Works emphasize difficulties scaling blockchain for IoT and the resulting security and privacy concerns.
Internet of Things (104) · Blockchain (126) · Computer security (95) · Scalability (16)
Addressing Security and Privacy Issues of IoT Using Blockchain Technology
Towards the Integration of Blockchain and IoT for Security Challenges in IoT
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Common problems researchers identify · 06Supply‑Chain Traceability Constraints
123 papers11.3% of this theme group
Studies identify technical and adoption barriers that hinder full traceability using blockchain in supply chains.
Supply chain (96) · Supply chain management (35) · Blockchain (114) · Traceability (29)
Blockchain Technology for Transparency in Agri-Food Supply Chain: Use Cases, Limitations, and Future Directions
Blockchain technology in the food supply chain: a way towards circular economy and sustainability
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Common problems researchers identify · 07Smart‑Contract Reliability Challenges
68 papers6.3% of this theme group
Authors discuss vulnerabilities and execution uncertainties in smart‑contract platforms for energy and grid applications.
Smart contract (40) · Blockchain (54) · Computer security (37) · Smart grid (7)
An Overview of Smart Contract and Use Cases in Blockchain Technology
A Systematic Literature Review on Blockchain-based Smart Contracts: Platforms, Applications, and Challenges
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