The Indonesian rupiah (IDR) is the official currency of Indonesia. It is subdivided into 100 sen, although inflation has rendered sen obsolete. The rupiah is issued by the Bank of Indonesia.
The history of money in Indonesia dates back to the seventh century. Prior to that, various commodities were used as currency, such as gold, silver, bronze, and cowry shells. The rupiah was first introduced in 1875, and was pegged to the Dutch guilder. In 1949, the rupiah was pegged …