When you write that data to a new blank tag, the software uses the keys and the new tag’s unique ID to "re-lock" the data correctly. Without the keys, the new tag would have the wrong "signature," and your Nintendo Switch would reject it as corrupted. Where Do You Get Them?
This write-up explores the role of encryption keys in the amiibo ecosystem, focusing on how they enable the reading and writing of data to NFC tags. The Role of Encryption Keys amiibo encryption key
Nintendo has never sued an individual for using TagMo or the encryption key. However, they have: When you write that data to a new
When you load a .bin file into an app, the keys allow the software to "unlock" the data so you can see which character it is. This write-up explores the role of encryption keys
This 80-byte key is used for fixed information that identifies the figure, such as its unique ID (UID) and the specific amiibo model.