Abstract:
Bangladesh’s public transportation system is continually plagued by fragmentation,
repetition of identification and ticketing and outdated fare collection methods. These
shortcomings result in ineffective operation, poor multimodal transport integration
and a high risk of identity data breach due to central storage. To overcome these
problems, this paper proposed a system that is based on blockchain and built upon
the SSI concept. The targeted service is realized through Hyperledger Fabric,
Verifiable Credentials and Zero-Knowledge Proof to provide secure and trustworthy
identity verification which could prevent the leakage of personal information. After
successfully authenticating the user credentials by the approved organizations; the
DTID is issued by the Bangladesh Road Transport Authority (BRTA) which serves
as a verified universal travel credential for all service providers in transport.
Ticketing and fare collection is powered by smart contracts, no more haggles or
inflated pricing, chips are deposited into escrow and fares are released to the
beneficiary upon trip conclusion. The system even allows for offline verification via
QR codes and NFC, so it's usable in areas with no internet connection. This
decentralized system aims to modernize and standardize Bangladesh’s fragmented
public transportation structure by driving privacy, transparency, and interoperability
toward an overall safer, more efficient, and user-friendly public transportation
experience.
