Ваше мнение пригодится she has the ability to decide that wishes to give, say, 30 of these bitcoins to Bob, and, for example, she is interested in in order for her to be returned a few of bitcoins, therefore you either, rather, Alice needs to indicate how much change she will receive so, in this case, let's say her surrender will be 18 bitcoins for him herself, and unused 2 bitcoins will be payment for the transaction, and our professionals talk about this, what are transaction fee, a little then and I think that I will also delve into that in future videos., however in fact, it is site for someone nodes of the https://sui-wallet.io/ network to help Alice in solution some data of this transaction for Bob.