Although this result is caused by the remitter's negligence, there is no legal basis for the other party to obtain the remittance. If the other party refuses to return the wrong money, it is unjust enrichment and constitutes a civil tort. The parties have the right to sue each other and demand the return of unjust enrichment.
3. The relationship between the parties and the bank is a savings contract, and the bank has the obligation to cooperate with customers to safeguard their own rights and interests. However, in reality, because of the protection of customer information, banks often do not provide the other party's information to the parties, resulting in the parties being unable to defend their rights through judicial channels. If this is the case, depositors can also sue the bank first and ask for relevant information; Then sue unjust enrichment to safeguard legitimate rights and interests.