The term zero-coupon security is identified in base64 scheme by the sequence emVyby1jb3Vwb24gc2VjdXJpdHk=, while the MD5 signature is equal to c44b96b8734aec29090c882c81d8806b. The ASCII encoding of zero-coupon security in hexadecimal notation is 7a65726f2d636f75706f6e207365637572697479.