A cryptocurrency is a form of digital money that uses cryptography to ensure transaction security and control the creation of new units. Unlike traditional currencies, cryptocurrencies operate in a decentralized manner, without the need for intermediaries such as banks or governments.

Main features:

1. Decentralization

- Works through peer-to-peer networks

- Does not depend on central authorities

- Transactions validated by the network itself

2. Security

- Uses advanced encryption

- Immutable records on the blockchain

- Virtually impossible to counterfeit

3. Transparency

- All transactions are public

- Full history available

- Traceability of operations

Main cryptocurrencies:

- Bitcoin (BTC): The first and best known

- Ethereum (ETH): Pioneer in smart contracts

- Binance Coin (BNB): Currency of the largest global exchange

- Cardano (ADA): Focus on sustainability

- Solana (SOL): High transaction speed

Advantages:

- Fast and global transactions

- Low fees compared to traditional systems

- Greater financial privacy

- Inflation protection (in some cases)