Summary of the most important cryptocurrencies.

1. $BTC Bitcoin (BTC): The first and largest cryptocurrency, considered "digital gold" and used as a store of value.

2. $ETH Ethereum (ETH): A network that supports smart contracts and decentralized applications (DeFi and NFTs).

3.$ Tether (USDT): A stablecoin pegged to the US dollar, used for fast transfers.

4. $BNB Binance Coin (BNB): The Binance platform coin used for fees and trading.

5. Worldcoin (WLD): A new project focused on digital identity and fair distribution of currencies.