Detecting counterfeit items

A method comprising:

• receiving, by one or more devices, a request to determine whether a particular item is a counterfeit item or an authentic item,
• the request including information identifying the particular item;
• comparing, by the one or more devices and based on receiving the request, one or more characteristics of the particular item to corresponding one or more characteristics of an authentic version of the particular item;
• determining, by the one or more devices, whether the particular item is a counterfeit item based on comparing the one or more characteristics of the particular item to the corresponding one or more characteristics of the authentic version of the particular item;
• and
• providing, by the one or more devices, a result of determining whether the particular item is a counterfeit item or an authentic item.

A computer-readable medium storing instructions, the instructions comprising:

• a plurality of instructions which, when executed by one or more devices, cause the one or more devices to:
• receive a request, from a user, to determine whether an item is a counterfeit item,
• the request including information identifying the item;
• perform, based on receiving the request, a comparison of a sound of a portion of the item to a sound of a corresponding portion of an authentic item that corresponds to the item;
• determine whether the item is a counterfeit item based on performing the comparison;
• and
• provide, to the user and based on determining whether the item is a counterfeit item, information indicating whether the item is a counterfeit item.