Authenticator: A registered individual, certified to evaluate provenance, provide asset valuation or evaluate authenticity of an asset.

Authenticity: The quality of being authentic, true, real, genuine.

Certifier: aA individual trained and certified to identify and authenticate individuals with the special knowledge and training to authenticate specific class(es) of assets.

Near Field Communication (NFC): A standard for exchanging information between devices in close proximity (usually less than 8 cm).

NFC Tag: A passive, RFID tag operating in the Low Frequency (LF) ISM Band using a frequency of 13.56 MHz. Once written to, these can be permanently locked so that it is impossible to change the data they transmit.

Non-Fungible Token (NFT): Cryptographic token which represents something unique.

Protocol: A preexisting agreement as to how information will be structured, stored, accessed and transmitted.

Provenance: The history of the ownership of an object, especially when documented or authenticated.

Radio Frequency Identification (RFID) Tags: Radio transmitters used to provide identification and other data transmitted via radio waves. Can be active or passive. Passive RFID tags are powered via external radio waves, and only transmit when interrogated by an external device. Active RFID tags use an internal power source.