Legal analysis: You need to know the purpose of this service password first. If it involves the transfer of funds, it must not be leaked, otherwise it may suffer property losses. Generally speaking, when transferring money from a fund account, the bank will send you a verification code (equivalent to a password) to ensure security. If you send the received bank verification code to others, the funds may be transferred away by others.

Legal basis: Article 40 of the Constitution of People's Republic of China (PRC). China citizens' freedom and privacy of communication are protected by law.