When you start using cryptocurrencies, one of the most important (and often confusing) concepts is fees or commissions. These fees are not arbitrary: they are essential for the functioning of blockchain networks.

The commissions in cryptocurrencies are payments made to process transactions on the network. In blockchains like Bitcoin or Ethereum, transactions must be validated by miners (in Proof of Work) or validators (in Proof of Stake). In exchange for this work, users pay a fee.

In Ethereum, for example, the fee is called "gas fee." This is calculated based on the complexity of the transaction and the level of congestion on the network. The more congested it is, the higher the fees will be. In more modern blockchains like Solana or Polygon, the fees are much lower, making them popular for decentralized applications.

It is also important to know that exchanges (like Binance or Coinbase) charge fees for buying, selling, or withdrawing cryptocurrencies. Always check these fees before making transactions.

Understanding these commissions will help you optimize your transactions and avoid unnecessary costs.

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