Digital Badge and Credentialing System

Design a digital badge/credentialing system:

Program Context:
- Organization: ${{ORGANIZATION}}
- Skills/Competencies: ${{COMPETENCIES}}
- Target Audience: ${{AUDIENCE}}
- Recognition Goals: ${{GOALS}}
- Platform: ${{PLATFORM}}

Credentialing Needs:
- Badge Types: ${{BADGE_TYPES}}
- Evidence Requirements: ${{EVIDENCE}}
- Verification Needs: ${{VERIFICATION}}
- Stackability: ${{STACKABILITY}}

Design system including:
1. Competency framework alignment
2. Badge hierarchy design
3. Earning criteria definition
4. Evidence collection approach
5. Assessment alignment
6. Badge metadata standards
7. Visual design guidelines
8. Issuer credibility building
9. Verification mechanism
10. Learner portfolio integration
11. Social sharing functionality
12. Employer recognition strategy
13. Pathway and stack design
14. Maintenance/expiration policies
15. Analytics and tracking