The process of using these files depends on your platform, but the general workflow remains consistent across the most popular tools. Using TagMo (Android)
From a legal standpoint, distributing these keys is a violation of the DMCA and similar international laws because it involves circumventing technological protection measures. Nintendo views the bin file as proprietary code.
Every Amiibo contains an NFC (Near Field Communication) chip inside its base. To prevent people from easily "spoofing" or faking these chips, Nintendo uses encryption.
