Description: Unidirectional payment refers to a payment method where funds are sent in a single direction, with no possibility of reversal. This type of transaction is characteristic of financial systems and cryptocurrencies, where once money is sent, the recipient receives the funds definitively. The main features of unidirectional payment include its irreversibility, meaning that once the transaction is completed, it cannot be undone or the sent money recovered. This contrasts with traditional payment methods, where it is possible to request refunds or reverse transactions in case of errors or disputes. The unidirectional nature of this payment type provides greater security for the recipient, as it ensures that funds cannot be returned without their consent. However, it also implies a risk for the sender, who must ensure that the recipient’s information is correct before making the transaction. This method is widely used in the realm of digital payments and cryptocurrencies, where transactions are recorded on a blockchain, ensuring transparency and immutability of operations. In summary, unidirectional payment is an essential component of the modern financial ecosystem, especially in the context of emerging technologies like cryptocurrencies.