Cryptography and Technical IS Security

Consider the following application areas for blockchains:
1. Passports
2. Birth certificates
3. Land/property registry
Select ONE of the above for your initial DB post. Discuss how blockchains can help ensure the security of operations for the application domain you’ve selected. What are the benefits and costs associated with implementing blockchains for this application? What non-obvious issues need to be considered?
Please use references and ideas from the attachment that I have added. If you need to cite anything, then the actual reference for this attachment is as follows:
Dhillon, G. (2017). Information Security: Text and Cases (2nd Edition). Prospect Press. https://bookshelf.vitalsource.com/books/9781943153244