Three Types of Crypto currency exchange

1.Centralized Exchange(CEX)

Example –
1) //zebpay.com/in/
2) //wazirx.com/
3) //coinswitch.co/
4) //www.unocoin.com/in
5) //coindcx.com/

2. Decentralized Exchange(DEX)

Example –

1) //metamask.io/
2) //trustwallet.com/
3) //www.coinbase.com/

2. Hybrid – Combination of Centralized+Decentralized Exchange