There is no single "current monetary unit" globally. The world uses a mix of fiat currencies (government-issued) and alternative assets.
| Rank | Currency | Code | Share of Daily FX Turnover |
|---|---|---|---|
| 1 | US Dollar | USD | 88% |
| 2 | Euro | EUR | 31% |
| 3 | Japanese Yen | JPY | 17% |
| 4 | British Pound | GBP | 13% |
| 5 | Chinese Yuan (Renminbi) | CNY | 7% |
| 6 | Australian Dollar | AUD | 7% |
| 7 | Canadian Dollar | CAD | 5% |
| 8 | Swiss Franc | CHF | 5% |
| Asset | Type | Role |
|---|---|---|
| Gold | Commodity money / reserve asset | Central bank reserves, inflation hedge, jewelry. |
| Silver | Commodity money | Industrial + investment demand. |
| Bitcoin (BTC) | Decentralized cryptocurrency | Store of value, speculative asset, limited medium of exchange. |
| Ethereum (ETH) | Smart-contract blockchain token | DeFi, NFTs, Web3 infrastructure. |
| Stablecoins (USDT, USDC) | Fiat-pegged crypto | Trading, cross-border payments, DeFi collateral. |
| SDR (Special Drawing Rights) | IMF reserve asset | Basket of USD, EUR, CNY, JPY, GBP; used by governments/IMF. |
Most daily transactions use national fiat currencies. Cryptocurrencies are not legal tender in most countries (El Salvador, CAR excepted).