一年多前，Chase发邮件/短信要我确认身份，我没理，后来账号被关了。去分行，告诉我是KYC法规要求

Know Your Customer (KYC) laws are mandatory Anti-Money Laundering (AML) regulations requiring financial institutions to verify client identities, preventing illegal money laundering, terrorist financing, and fraud. 

当时Chase给的电话号码是我不熟悉的。