Currently, there are many cryptocurrencies that are very popular. Here is a list of some of the most famous coins:

1. **Bitcoin (Bitcoin - BTC)**: Considered the first and most famous cryptocurrency, it is used as a medium of exchange and a store of value.

2. **Ethereum (Ethereum - ETH)**: A platform that supports smart contracts and decentralized applications, it ranks second after Bitcoin in terms of market capitalization.

3. **Binance Coin (Binance Coin - BNB)**: The native currency of the Binance platform, used to reduce trading fees and for other purposes within the Binance ecosystem.

4. **Tether (Tether - USDT)**: A stablecoin pegged to the US dollar, used to facilitate trading in volatile markets.

5. **Cardano (Cardano - ADA)**: A blockchain-based platform aimed at providing a secure and sustainable environment for application development.

6. **Solana (Solana - SOL)**: Known for its high speed in processing transactions and low costs, making it a popular platform for decentralized finance applications.

7. **Ripple (Ripple - XRP)**: Primarily used for transferring money between financial institutions quickly and at low costs.

8. **Polkadot (Polkadot - DOT)**: Aims to connect different blockchain networks together, facilitating communication between them.

9. **Shiba Inu (Shiba Inu - SHIB)**: A meme coin that has gained significant popularity recently, despite its extreme volatility.