If 2 firms are nodes in a blockchain and each transaction in the blockchain must be monitored and approved by an auditor. The most appropriate type of bolckchain for this relation is Select one: a. Private blockchain b. Bitcoin blockchain c. Consortium Blockchains d. Public blockchain The reasons that banks and financial institution such as (UniCredit, UBS, CIBC, and National Bank of Abu Dhabi) are considering su Je blockchain technology provided by "Ripple is due to Select one: a. Cannot be traced b. all of the above c. offering an affordable money transfers d. Increased the tax