The term white blood cell is identified in base64 scheme by the sequence d2hpdGUgYmxvb2QgY2VsbA==, while the MD5 signature is equal to ffb4c7eed2dff134e1e41af36c0878a3. The ASCII encoding of white blood cell in hexadecimal notation is 776869746520626c6f6f642063656c6c.