#TradingPairs101 **Trading Pairs** are combinations of assets for trading.

- **Crypto/Crypto**: BTC/ETH, XRP/ETH

- **Crypto/Fiat**: BTC/USD, XRP/EUR

- **Fiat/Fiat**: USD/EUR, EUR/GBP

Traders choose pairs according to their strategy and market.

Popularity:

1. BTC/USD

2. ETH/USD

3. XRP/USD

4. BTC/ETH

Each pair has its liquidity and volatility.