Multiparty trust levels in evidence management: Ensuring tamper-proof chain of custody in blockchain.
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20 feb 2025
Acerca de este artículo
Publicado en línea: 20 feb 2025
Páginas: 80 - 103
DOI: https://doi.org/10.2478/ias-2024-0007
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© 2024 Nuno Santos et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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Literature review overview and comparison with this research
| Group | Blockchain Framework | Chain of Custody | Evidence Management | Multi-Level-Trust | Public Sector |
|---|---|---|---|---|---|
| Y | Y | N | N | N | |
| Y | Y | Y | N | N | |
| Y | Y | Y | Y | N | |
| Y | Y | Y | N | N | |
| Y | Y | Y | N | Y | |
| Y | Y | N | N | Y | |
| Y | N | Y | N | N |
Defined objectives to be measured by the specialists_
| Dimension | Criteria | Objective |
|---|---|---|
| Validity | Meets the principles of robust evidence management and chain of custody. | |
| Consistency with organization / utility | Provide ICC with a clear and easy to identify chain of custody of evidence. | |
| Consistency with technology / harnessing of recent technologies | Makes use of blockchain technology capabilities to improve efficiency, effectiveness, and the fairness of judicial proceedings. | |
| Completeness | It is a solution that could meet at least 80% of the current requirements with regards to evidence management, from collection to disclosure. | |
| Accuracy | Meets the requirements it was intended to fulfil. | |
| Robustness | Can resist outages, and attacks to the integrity, availability and confidentiality of data. |
Results of panel evaluation survey
| Dimension | Criteria | Average score |
|---|---|---|
| Validity | 5,00 | |
| Consistency with organization / utility | 4,33 | |
| Consistency with technology / harnessing of recent technologies | 4,33 | |
| Completeness | 4,67 | |
| Accuracy | 4,33 | |
| Robustness | 4,33 |
MultiTrusBloc identified roles
| Role | Description | High level view of permissions |
|---|---|---|
| Determines the data deemed as evidence and submitted to the Court chamber. | Until evidence disclosure, the team can view and control any artifact within the MTC. | |
| The entity cooperates with the prosecution team to identify and gather information, either directly or through trusted partners. | it can create and submit evidence records in the MTC, accessing the artifact until the prosecution team takes ownership. | |
| May include civil organizations or citizens seeking to expose committed crimes. | Submits potential evidence to an accredited entity or the prosecution team for evaluation. | |
| Assesses submitted evidence and delivers judgement accordingly. | Receives and takes control of the evidence once handed over by the prosecution team. | |
| Have different objectives and could represent different people or groups in the specific case | Parties such as the defense or victims’ representatives may require evidence disclosure to participate in the proceedings. |
Results of user sample evaluation survey
| Dimension | Criteria | Average score |
|---|---|---|
| Validity | 4,59 | |
| Consistency with organization / utility | 4,59 | |
| Consistency with technology / harnessing of recent technologies | 4,06 | |
| Completeness | 4,71 | |
| Accuracy | 4,47 | |
| Robustness | 4,47 |