The answer is the key money market rate to which several banks manipulated the reported rates is "LIBOR".
LIBOR stands for London Inter Bank Offered Rate, and it is the benchmark rate that several large banks in the world charge after the loans that are short terms and LIBOR is also known as ICE LIBOR (Intercontinental Exchange London Inter bank Offered Rate, previously it is known as BBA LIBOR (British Bankers Association LIBOR).
