A. Keep your customers cool
B. Keep your cool
C. Know your customers
D. Know your credit
KYC stands for "Know Your Customer" or "Know Your Client." It is a process that financial institutions, businesses, and other organizations use to verify the identity of their customers or clients. The purpose of KYC is to prevent identity theft, fraud, money laundering, and other illegal activities by ensuring that individuals and entities engaging in transactions are properly identified and authenticated.