South African rand due to relatively high-quality counterfeit notes in circulation. In 2011, the South African Reserve Bank issued 100-Rand banknotes which were defective because they lacked fluorescent printing visible under UV light. In June, printing of this denomination was moved from the South African Bank Note Company to Crane Currency's Swedish division (Tumba Bruk), which reportedly produced 80 million 100-Rand notes. The South African Reserve Bank shredded 3.6 million 100-Rand banknotes printed by Crane Currency because they had the same serial numbers as a batch printed by the South African Bank Note Company. In addition, the notes printed in Sweden were not
Currency substitution the share of all foreign currency deposits held by domestic residents at home and abroad in their total monetary assets. Unofficial currency substitution or de facto currency substitution is the most common type of currency substitution. Unofficial currency substitution occurs when residents of a country choose to hold a significant share of their financial assets in foreign currency, even though the foreign currency is not legal tender there. They hold deposits in the foreign currency because of a bad track record of the local currency, or as a hedge against inflation of the domestic currency. Official currency substitution or full