This will save a clean copy of your personal seeddb.bin to your SD card. Using the File in Citra
The seeddb.bin file is a compiled collection of these keys. Without it, many games released after 2015 will simply crash on launch or display a "black screen" error, even if the game is properly installed on your SD card. Why You Need It 3ds seeddbbin free
Look for a folder named after your ID0 (a long string of numbers and letters). Locate sysdata: Go into sysdata -> 0001000f . This will save a clean copy of your personal seeddb