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
Digital currency addition, over 90 central banks are engaged in DLT discussions, including implications of a central bank issued digital currency. In March 2018, the Marshall Islands became the first country to issue their own cryptocurrency and certify it as legal tender; the currency is called the "sovereign". Canada The Bank of Canada have explored the possibility of creating a version of its currency on the blockchain. The Bank of Canada teamed up with the nation’s five largest banks — and the blockchain consulting firm R3 — for what was known as Project Jasper. In a simulation run in 2016, the central