Why are we here, What are we striving for?

Thus, any "prodkeys correct 2021" claiming to work would have needed to bypass these new mechanisms—which no public .keysdat file could reliably do.

In mid-2021, the 12.1.0 firmware was standard. Using keys from this version would have been "correct" for games released up to that point.

The community needed a translator. They discovered that every Switch console contains a set of unique "Product Keys" ( prod.keys ). These are the master decryption keys burned into the hardware. The Rise of SAK (Switch Backup Manager)