Cash retail
75Share of everyday retail still leaning on notes and coins (relative score).
Indian rupee · One of the world's oldest named currencies, now serving a vast domestic economy under managed convertibility.
Circulation is legal and practical: where Indian rupee is tender, where it is accepted, and where it is merely a parallel unit.
Cash shares of payments vary widely; some societies are nearly cashless while others still settle wages and retail in notes.
Primary legal-tender area where taxes and courts use Indian rupee.
Neighbours and visitors may accept it informally beside local cash.
Banks outside the core territory book liabilities in this unit.
Trade contracts may price goods in this unit even when neither party is local.
Migrant workers send home value that often converts through this FX market.
Earlier gold, sterling or dollar pegs left institutional memory.
Float, managed float, currency board or hard peg — see FX chapter for role.
How freely residents buy foreign assets shapes effective convertibility.
Share of everyday retail still leaning on notes and coins (relative score).
Card schemes and mobile wallets dominate in many cities.
Account-to-account instant payments grow inside the currency area.
Wholesale payments settle in central-bank money.
Korea's currency — rebuilt after war and redenomination, now a deep Asian FX market.
Reserve weight 18 🇸🇬 SGDA managed float run by the MAS — Asia's boutique hard currency.
Reserve weight 28 🇭🇰 HKDA currency-board dollar tightly linked to the US dollar since 1983.
Reserve weight 25 🇹🇼 TWDTaiwan's currency since the late-1940s reform that ended hyperinflation on the island.
Reserve weight 16 🇹🇭 THBSoutheast Asia's liquid tourist and trade currency, floating since the 1997 crisis.
Reserve weight 14