There are many types of crypto currencies . Here is an an outline of Ten well-known and prominent cryptocurrencies:

1. Bitcoin (BTC): The first and most popular decentralized cryptocurrency.

2. Ethereum (ETH): A programmable blockchain-based platform enabling developers to build decentralized applications (DApps).

3. Ripple (XRP): A digital payment protocol and cryptocurrency intended for faster cross-border transactions.

4. Litecoin (LTC): A peer-to-peer cryptocurrency that was created as a "lite" version of Bitcoin.

5. Bitcoin Cash (BCH): A fork of Bitcoin, designed to offer faster and cheaper transactions.

6. Cardano (ADA): A platform aiming to provide a more secure and sustainable infrastructure for the development of DApps and smart contracts.

7. Polkadot (DOT): A multi-chain network enabling different blockchains to interoperate and share information.

8. Chainlink (LINK): A decentralized oracle network that connects smart contracts with real-world data.

9. Stellar (XLM): A digital payment protocol and cryptocurrency designed to enable fast and low-cost cross-border transactions.

10. Monero (XMR): A privacy-focused cryptocurrency that aims to provide anonymous and untraceable transactions.

These are just a few examples, as there are thousands of different cryptocurrencies available in the market.