Task 1: Based on the information provided in Appendix A: (a) Explain four (4) benefits of adopting the blockchain-powered ledger for tracking payments. (b) Explain four (4) concerns relating to adopting the blockchain-powered ledger for tracking payments. (c) Based on your responses to Task 1(a) and Task 1(b), provide a recommendation to the CEO on whether PropTech Solutions should integrate the use of blockchain technology. Task 2: Sarah has approached you with a summary of an app (Digital Mail) developed and used by Rental Partners (Appendix B). Sarah is considering adopting this software into PropTech Solutions operations as part of the acquisition of Rental Partners. Identify and explain four (4) cybersecurity faults present in the summary provided that may impact Sarahs decision to adopt the software. Task 3: Review the sample privacy policy provided in Appendix C, comparing it against the requirements of the Australian or New Zealand Privacy Principles. Identify two (2) areas that may be missing or may require improvement to ensure that the privacy policy is appropriate to be published in either country. Justify why these improvements are required. Please clearly identify which countrys privacy policies you are comparing to in your responses. Task 4: Referring to Appendix D, determine an appropriate number for each of the three metrics (RTO, MTD and RPO) in the event of any of the five disasters occurring. Justify why the RTO, MTD and RPO metrics provided are appropriate for the organisation to be safeguarded against the impacts of the disaster