EVID-DGC Help

Getting Started with EVID-DGC

What is EVID-DGC?

EVID-DGC is a blockchain-based evidence management system designed for law enforcement, legal professionals, and court officials. It ensures evidence integrity through immutable records and provides role-based access control.

Key Features:

  • Secure Evidence Storage: All evidence is cryptographically secured
  • Chain of Custody: Complete audit trail of evidence handling
  • Role-Based Access: Different permissions for different user types
  • Blockchain Verification: Tamper-proof evidence integrity

First Time Login

1

Choose Login Method

You can login using either MetaMask wallet or email/password

2

Select Your Role

Choose the role that matches your job function (Investigator, Legal Professional, etc.)

3

Complete Profile

Fill in your professional information and department details

4

Access Dashboard

You'll be redirected to your role-specific dashboard

Case Management

Creating a New Case

Only Investigators and Administrators can create new cases.

1

Navigate to Cases

Click on "Cases" in your dashboard menu

2

Click "New Case"

Use the "Create New Case" button

3

Fill Case Details

Enter case title, description, priority level, and jurisdiction

4

Save Case

Click "Create Case" to save and generate a case number

Case Status Management

Cases progress through different statuses based on investigation progress:

Open

Case is actively being investigated

In Progress

Evidence is being collected and analyzed

Under Review

Case is being reviewed by legal professionals

Closed

Case investigation is complete

Evidence Handling

Uploading Evidence

Evidence can be uploaded by Investigators, Forensic Analysts, and Evidence Managers.

1

Select Case

Navigate to the case where you want to add evidence

2

Click "Add Evidence"

Use the evidence upload button in the case details

3

Fill Evidence Details

Enter description, type, collection date, and location

4

Upload File

Select and upload the evidence file (max 100MB)

5

Verify Upload

System will generate a cryptographic hash for integrity verification

Evidence Verification

All evidence is automatically verified using blockchain technology:

  • Hash Generation: Each file gets a unique cryptographic fingerprint
  • Blockchain Storage: Hash is stored on immutable blockchain
  • Integrity Check: Files are verified against blockchain records
  • Tamper Detection: Any changes to files are immediately detected

Chain of Custody

The system automatically maintains a complete chain of custody record:

  • Who uploaded the evidence
  • When it was uploaded
  • Who has accessed the evidence
  • Any modifications or annotations
  • Download history with watermarks

User Roles & Permissions

Role Overview

EVID-DGC uses 8 different user roles, each with specific permissions:

Public Viewer

View public cases and evidence only

  • Browse public information
  • View case summaries
  • No editing permissions

Investigator

Create cases and manage investigations

  • Create new cases
  • Upload evidence
  • Generate reports
  • Manage investigations

Forensic Analyst

Analyze evidence and create technical reports

  • Analyze evidence
  • Generate forensic reports
  • Validate evidence integrity
  • Cross-reference evidence

Legal Professional

Review cases for legal proceedings

  • Review case documentation
  • Access legal evidence
  • Generate legal reports
  • Update case status

Security & Privacy

Data Security

EVID-DGC implements multiple layers of security:

  • Encryption: All data is encrypted in transit and at rest
  • Blockchain: Evidence hashes stored on immutable blockchain
  • Access Control: Role-based permissions system
  • Audit Logs: Complete activity tracking
  • Watermarking: Downloaded evidence is watermarked

Password Security

Best Practices:

  • Use at least 8 characters
  • Include uppercase and lowercase letters
  • Add numbers and special characters
  • Don't reuse passwords from other accounts
  • Change passwords regularly

Troubleshooting

Common Issues

I forgot my password. How do I reset it?

Click "Forgot Password?" on the login page, enter your email address, and follow the instructions in the reset email.

Why can't I upload evidence?

Check that: 1) You have the correct role permissions, 2) File size is under 100MB, 3) File type is supported, 4) You're connected to the internet.

How do I change my role?

Only administrators can change user roles. Contact your system administrator to request a role change.

What browsers are supported?

EVID-DGC works best with modern browsers: Chrome 90+, Firefox 88+, Safari 14+, Edge 90+. For MetaMask features, use Chrome or Firefox.

Contact Support

Email Support

DGC2MHNE@proton.me

Phone Support

+91 9390606393