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Trust in ICT 3

6.4 Trust matrix

In order to achieve valuable analysis results, the proposed system needs data from various sources. The data
source includes social network service, insurance company, an organ of credit, car repair shop, bank, and
OBD2 scanner attached in the car. An example for possible trust matrix structure is shown in Table IV.6.

Table IV.6 – Trust matrix for used car transaction

To Owner Used car Trust Management Buyer
Platform
From
Owner - Ownership Trusted data collection -
and aggregation
Trusted data process
and analysis
Used car Ownership - Trusted data collection Risk, uncertainty
and aggregation
Trusted data process
and analysis
Trust Trusted data collection Trusted data collection - Trustworthy application
Management and aggregation and aggregation
Platform Trusted data process Trusted data process
and analysis and analysis

Buyer - Risk, uncertainty Trustworthy application -

6.5 Analysis
– Participants’ advantage of adopting used car transaction through trust management platform.

This clause describes how trust can be achieved in used car transaction by trust management platform, which
plays an important role in reducing the information gap among entities, refining data from various data
sources, and mediating entities through trust service broker. By adopting this platform, each entity
participating in used car ecosystem can take following advantage. Details are explained in following
Table IV.7.

Table IV.7 – Advantages of actors from trust based used car transaction service

Main advantages Side advantages
Seller - Providing trustful data which influence on selling - Reasonable vehicle maintenance based on trustful
price data transmitted by vehicle itself
- Reducing insurance cost by a vehicle specific data
Dealer - Reducing investigation effort - Restoring confidence in used car transaction
- Decreasing dispute
Buyer - Reducing uncertainty and risk from purchasing - Succession to well-maintained vehicle
used goods - Purchasing relatively low retail price in P2P market

Insurance Corp. - Realizing usage-based insurance by absorbing
deadweight loss
Government - Reducing dispute - Improving road infrastructure and traffic flows
- Revitalizing market
- Promoting international vehicle transaction
Vehicle - Detecting defective vehicle model in early stage - Gathering real data for improving vehicle
Manufacturer performance
OBD2 Scanner - Creating new revenue stream - Taking opportunity of analysing vehicles’ historical
manufacturer data

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