#中心化与去中心化交易所 System**

#(1) Contract Type**

-**Perpetual Contract* No expiration date, anchored to spot prices through the Funding Rate mechanism, suitable for long-term holdings.

-*Delivery Contract* Has a fixed settlement date, suitable for short-term arbitrage or hedging.

- **Forward Contract (USDT-based)* Priced in USDT, suitable for multi-currency trading.

- **Inverse Contract (Coin-based)* Priced in BTC/ETH, etc., suitable for investors holding specific cryptocurrencies long-term.