3. Business Processes related to "Land Registries" currently still have many problems. For example, about the misuse of land certificates, land disputes and so on. You as an expert who understands about blockchain technology are asked to provide solutions about it. Create a business process scenario in "Land Registries" using Blockchain.

a. Explain and describe the scenario!

b. What are the advantages and disadvantages if the blockchain is implemented in the "Land Registries"?