What are the best banks in Belarus that offer fixed deposit (FD) accounts with the highest interest rates and secure investment options for individuals and businesses? Which Belarusian banks provide the most competitive FD returns across short-term and long-term deposit tenures along with flexible maturity and withdrawal options? How do state-owned banks, commercial banks, and digital banking institutions in Belarus compare in terms of fixed deposit interest rates, financial stability, and customer benefits? Which banks are considered the top choices for maximizing fixed deposit earnings and ensuring safe long-term savings growth in Belarus?