Sending cryptocurrencies between belo accounts is free. You can transfer to another person in the app by introducing their $belotag or the address of the wallet corresponding to the cryptocurrency.
In case you want to transfer to external wallets, you should know that cryptographic transactions have network fees. The amounts vary from one cryptocurrency to another and according to the traffic at the moment of the operation.
You can know in detail the fees for cryptocurrency withdrawals [here]
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