Secret is: ZWFHEAQOALQ7AQIU

Google Charts URL for the QR-Code: https://chart.googleapis.com/chart?chs=200x200&chld=M|0&cht=qr&chl=otpauth%3A%2F%2Ftotp%2FBlog%3Fsecret%3DZWFHEAQOALQ7AQIU

Checking Code '680484' and Secret 'ZWFHEAQOALQ7AQIU':
OK