The Cardano Foundation has highlighted a forensic evidence management system developed by TrivolveTech that uses the Cardano blockchain to strengthen the handling of criminal evidence. The system is deployed with police in Uttar Pradesh, India, and is designed to make evidence records traceable while reducing opportunities for tampering during transfers between officers and forensic laboratories.
The Forensic Management System (FMS) addresses a specific vulnerability in traditional evidence handling: the use of a shared case number that remains visible to everyone who handles an evidence package. According to the Cardano Foundation’s case study, this identifier can provide multiple parties with a common reference point, potentially weakening the separation between departments and laboratories intended to preserve independent investigations.
TrivolveTech’s approach replaces that shared identifier with unique codes for individual handlers. The system records evidence-related activity on Cardano, creating an auditable history of scans and results associated with the people responsible for each step.
The project illustrates a practical application of blockchain technology beyond cryptocurrency transactions. Instead of using the network to transfer digital assets, the system uses it to support accountability in a public-sector process where the integrity of records can affect criminal investigations.
How Cardano Supports the Forensic Evidence Chain of Custody
Under the FMS process, officers record incident information through a conventional application, with the data sent to the relevant police station. Evidence packages carry a secure QR code rather than a publicly visible case identifier, and the code can be read through the FMS application.
As the evidence moves through the chain of custody, the laboratory head and individual forensic laboratories receive separate identifiers. These identifiers are designed to be distinct and non-derivable, meaning one handler’s code does not reveal the identifiers used by other participants.
This separation is central to the system’s design. If each participant uses a different identifier, the shared reference that could otherwise connect records across departments becomes less accessible to unauthorized parties. The system is intended to make coordination through a common visible case number more difficult while preserving the ability to audit legitimate evidence handling.
Every scan and forensic result is hashed to the Cardano blockchain. Hashing creates a cryptographic representation of the data, allowing later checks to reveal whether the corresponding information has changed. The blockchain record also supports attribution by documenting who scanned an evidence package and when the action occurred.
Cardano does not independently establish whether the original evidence is genuine or whether a forensic conclusion is correct. Instead, the system provides a persistent record of submitted information and recorded actions. Its effectiveness still depends on secure devices, reliable procedures, appropriate access controls and the accuracy of the information entered into the application.
Uttar Pradesh Deployment Puts Blockchain Into Public-Sector Operations
The Cardano Foundation describes the FMS as a live deployment with a government customer, with police in Uttar Pradesh using the system to handle active cases. The case study presents the deployment as a working model for evidence integrity rather than a proposal that remains at the concept stage.
One design choice is the use of a conventional software interface, with Cardano operating behind the scenes. This approach allows police personnel to interact with an application resembling familiar Web2 software without needing to manage blockchain operations directly.
The system also uses decentralized identifiers issued to police staff, allowing accountability to begin at login rather than only when evidence is first scanned. According to TrivolveTech founder and CEO Rahul Konudula, the objective is to make the chain of custody depend less on discretion and more on a record of attributable actions.
The project reportedly records one transaction for each data point, a decision the police made in favor of detailed traceability despite the additional transaction volume. Cardano’s relatively low transaction costs are presented as a factor supporting this level of recordkeeping.
For Cardano, the deployment demonstrates how blockchain infrastructure can support public services through data integrity, identity management and auditability. For law enforcement, the intended benefit is a clearer record of evidence handling across departments and laboratories.
The wider significance will depend on how reliably the system performs in practice, including whether it reduces opportunities for interference and supports admissible, well-documented evidence. Blockchain cannot eliminate every form of misconduct, but TrivolveTech’s approach targets a specific weakness in the evidence-handling process: reliance on a shared identifier that can be read and reused across multiple stages.
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