Distributed Ledger Transaction Security for MaaS Platforms
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Solution Overview
Problem
Current Mobility-as-a-Service (MaaS) platforms face challenges in providing a unified gateway for multiple transportation providers due to limited connectivity, leading to trust and privacy concerns related to common billing, route planning, and revenue sharing.
Innovation Solution
A distributed ledger-based system that facilitates secure transaction processing by using a message broker device with an API gateway to route and validate transaction requests, ensuring secure data ownership and revenue sharing among transportation providers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a unified MaaS platform is implemented to provide common gateway for multiple transportation providers, then connectivity and transaction efficiency are improved, but trust and privacy concerns worsen due to data sharing requirements
Solution Approach 1:
A distributed ledger system acts as an intermediary between transportation providers, enabling secure data sharing without direct exposure. The ledger intermediates transaction verification, allowing providers to transact efficiently while maintaining privacy through cryptographic protocols and permissioned access controls.
Solution Approach 2:
The system changes the state of data from mutable to immutable through cryptographic hashing and blockchain consensus mechanisms. Transaction records are transformed from editable databases to tamper-proof ledgers, fundamentally altering the trust model while enabling efficient automated transactions through smart contracts.
2Reliability
If each transportation provider maintains separate closed infrastructure, then data security and privacy are improved, but connectivity and transaction capability worsen
Solution Approach 1:
The distributed ledger platform provides universal functionality across diverse transportation providers. A single ledger infrastructure serves multiple providers with different requirements, enabling cross-provider transactions while each provider maintains control over their specific data through permissioned access and selective disclosure mechanisms.
3Reliability
If distributed ledger technology is implemented for secure transaction processing, then transaction security and data ownership are improved, but system complexity increases
Solution Approach 1:
The distributed ledger system is self-managing through automated consensus mechanisms and smart contracts. Transaction validation, security verification, and record maintenance are performed automatically by the network participants rather than centralized administrators, reducing operational complexity despite the underlying technical sophistication.
4Device complexity
If centralized billing and revenue sharing systems are used, then transaction processing is simplified, but trust issues and privacy concerns worsen among providers
Solution Approach 1:
The centralized billing system is segmented into distributed smart contracts that execute independently on the ledger. Each transportation provider has their own revenue sharing rules and data access permissions encoded as separate smart contracts, allowing simplified automated processing while maintaining provider-specific control and trust through decentralized execution.
Data Source
AI summary
A system and method for implementation of transaction security on a distributed ledger-based Mobility-as-a-Service (MaaS) platform is provided. The system includes a message broker device which receives a transaction request associated with a transport service from a publisher node of a transportation provider. The message broker device routes, via an API gateway hosted on the message broker device, the transaction request to a subscriber node of the transportation provider. The API gateway validates the transaction request based on application of a set of security rules on the transaction request. The subscriber node is associated with a first node of a distributed ledger node that stores a first state object. The first state object includes transaction data associated with the transport service. The distributed ledger node receives the validated first transaction request from the API gateway, via the subscriber node and updates the transaction data based on the received transaction request.