1. did:btcr2 DID Method
4. 1. Introduction and Motivation
5. 2. Conformance
6. 3. Terminology
7. 4. BTCR2 Update Data Distribution
8. 5. Beacons
9. 1. 5.1. Aggregate Beacons
10. 6. Data Structures
11. 7. Operations
12. 1. 7.1. Create
    2. 7.2. Resolve
    3. 7.3. Update
    4. 7.4. Deactivate
13. 8. Algorithms
14. 9. Errors
15. 10. Appendix
16. 1. 10.1. Privacy Considerations
    2. 10.2. Security Considerations
    3. 10.3. Optimized Sparse Merkle Tree Implementation
17. References