A multinational bank is evaluating a blockchain$-$based system for international transactions. The technology is promising but relatively new, and there are concerns about regulatory compliance across different countries. Which risk assessment technique would be most appropriate in this scenario?A$)$ Simple ROI calculation based on transaction cost savingsB$)$ SWOT analysis of the blockchain technologyC$)$ Monte Carlo simulation incorporating variables such as adoption rates, regulatory changes, and technological advancementsD$)$ Qualitative assessment based on expert opinions from the IT department