feat: Offline verification for different credential formats

[ankita-p17]

✅ Preliminary Checks

• I've read the contibution guide and agree to it
• I have searched existing issues and pull requests to avoid duplicates.
• I'm willing to create a PR for this feature. (if applicable).

🧩 Problem Statement

Offline verification of different credential formats

💡 Proposed Solution

Offline verification of different credential formats

🔄 Alternatives Considered

No response

📎 Additional Context

No response

✅ Acceptance Criteria

No response