Blockchain and Smart Contracts: A Solution for Payment Issues in Construction Supply Chains
Abstract
:1. Introduction
2. Background with Key Literature Findings
2.1. Construction Supply Chain
2.1.1. Time, Cost, and Quality Issues Related to the Construction Supply Chain
2.1.2. Payment Issues in Construction
2.2. Blockchain Technology and Smart Contracts
2.2.1. Blockchain Technology
2.2.2. Smart Contracts
2.2.3. Notable Properties of Blockchain
High-Level System Features | System Features/Outcomes | Decentralisation | Transparency | Immutability | Anonymity and Pseudonymity | Smart Contracts and Turing-Completeness |
---|---|---|---|---|---|---|
Developability | Complexity | [87] | [88] | [89] | ||
Developability (time and cost) | [90] | [90] | [90] | |||
Maturity | [87] | |||||
Modularity | [91] | [88] | [92] | |||
Reusability | [87] | [87] | ||||
Testability | [92] | [86] | [86] | |||
Maintainability | Durability | [93] | [93] | |||
Scalability | [88] | [90] | ||||
Modifiability | [91] | [92] | ||||
Portability | [87] | [87] | ||||
Uniformity | [94] | [93] | [95] | |||
Functionality | Accuracy | [57] | [90] | [96] | ||
Compatibility | [94] | [92] | ||||
Interoperability | [94] | [94] | [95] | |||
Nonphysicality | [97] | [93] | [96] | |||
Self-containment | [97] | [97] | [89] | |||
Suitability | [98] | [98] | [96] | |||
Usability | Adaptability | [86] | [95] | |||
Learnability | [91] | |||||
Supportability | [86] | |||||
System documentation | ||||||
Applicability | [57] | [57] | ||||
User interfaces | ||||||
Reliability | Accessibility | [99] | ||||
Availability | [100] | |||||
Fault tolerance | [100] | |||||
Recoverability (Resilience) | [86] | [89] | ||||
Robustness | [94] | |||||
Stability | [90] | |||||
Efficiency | Effectiveness (for the total process) | [97] | [97] | [95] | ||
Performance–Throughput (for a single action) | ||||||
– Read | [90] | |||||
– Write | [90] | |||||
– Execute | [90] | |||||
Resource behaviour-Storage, Processing, etc. | [90] | |||||
Trust and Security | Accountability | [57] | [101] | [90] | [102] | [57] |
Auditability | [103] | [101] | [103] | |||
Disintermediation | [101] | [99] | [103] | |||
Fraud resistance | [104] | [99] | [90] | [102] | [104] | |
Privacy | [103] | [96] | [90] | [105] | ||
Confidentiality | [105] | [90] | [105] | |||
Integrity | ||||||
– System | [101] | [105] | [90] | [105] | ||
– Data | [106] | [105] | [106] |
3. Research Methodology
- Literature review
- Expert forum
- Data analysis
4. Results and Discussion
- Project delays, due to supply chain issues
- Complications from contractual conditions
- Work done exceeds allocated budget
- Rework, due to errors during construction
- Disputes over-payment claims
- Perception in the industry that late payment is acceptable
- Payment culture of the industry (work first and get paid later)
- Disputes over the quality of work
- Improper supervision and financial control
- Structure of the industry (coordination issues with many parties)
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
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Organisation Category | Total Participation |
---|---|
Supplier | 1 |
Subcontractor/Sub-subcontractor | 4 |
General Contractor | 4 |
Consultant | 2 |
Design Engineer | 2 |
Client | 1 |
Academic | 10 |
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Nanayakkara, S.; Perera, S.; Senaratne, S.; Weerasuriya, G.T.; Bandara, H.M.N.D. Blockchain and Smart Contracts: A Solution for Payment Issues in Construction Supply Chains. Informatics 2021, 8, 36. https://doi.org/10.3390/informatics8020036
Nanayakkara S, Perera S, Senaratne S, Weerasuriya GT, Bandara HMND. Blockchain and Smart Contracts: A Solution for Payment Issues in Construction Supply Chains. Informatics. 2021; 8(2):36. https://doi.org/10.3390/informatics8020036
Chicago/Turabian StyleNanayakkara, Samudaya, Srinath Perera, Sepani Senaratne, Geeganage Thilini Weerasuriya, and Herath Mudiyanselage Nelanga Dilum Bandara. 2021. "Blockchain and Smart Contracts: A Solution for Payment Issues in Construction Supply Chains" Informatics 8, no. 2: 36. https://doi.org/10.3390/informatics8020036
APA StyleNanayakkara, S., Perera, S., Senaratne, S., Weerasuriya, G. T., & Bandara, H. M. N. D. (2021). Blockchain and Smart Contracts: A Solution for Payment Issues in Construction Supply Chains. Informatics, 8(2), 36. https://doi.org/10.3390/informatics8020036