{ "comment" : "Cost 14 took 1.36s on on 2012-06-12T07:42:27", "password_hash" : "cab5a4e82eb3077b381d2cc882c99b13d51f706aedb7ff", "bcrypt_cost" : 14, "username" : "007" } # In 5 years from now we increase cost { "comment" : "Cost 15 took 1.72s on 2017-06-12T08:44:19", "password_hash" : "7f02d8b30b74b439cfafbe2f729c9daee3bb45a568dd1f", "bcrypt_cost" : 15, "username" : "007" }