It seems like LibraryLoader has been copied from a Sodium library, but not been updated to Hydrogen: https://github.com/libly/hydride-java/blob/d26d9c47d6b30acf17c0f1a32b6f507a7c70b259/src/main/java/co/libly/hydride/utils/LibraryLoader.java. There are many comments which mentions "Sodium" although it seems to use Hydrogen. This also looks a bit suspicious: https://github.com/libly/hydride-java/blob/d26d9c47d6b30acf17c0f1a32b6f507a7c70b259/src/main/java/co/libly/hydride/utils/LibraryLoader.java#L131-L133