Xiao Zeng opened an account in a bank and handled online banking business, but soon after, Xiao Zeng found that 30000 yuan in his account had been transferred through online operation without his knowledge, and the password of the account was only known by himself and never leaked to others. Xiao Zeng found the bank and asked the bank to bear the responsibility, and the bank was very sure that the responsibility could not lie with him, It must be in Xiao Zeng. Although Xiao Zeng didn't deliberately disclose the password, he may have done it unintentionally
The statement 'The bank's online banking system is impeccable' is most supported by the bank's view.