What collateral for quarrentee to liability to central bank?

Collateral for a guarantee to a central bank typically includes high-quality assets such as government bonds, treasury bills, or other liquid securities that are readily accepted by the central bank. The purpose of this collateral is to mitigate risk and ensure that the central bank is protected in case of default. The specific requirements for collateral can vary depending on the central bank's policies and the nature of the guarantee provided.