Since Epic Games does not authorize these tools, using them can lead to a permanent ban of your official Fortnite account.
The acronym "NL" stands for . Unlike a standard composite key, the NL Hybrid Key is a single, structured data type that fuses a Logical Surrogate (a secure, randomized hash) with a Natural Business Identifier (a human-readable or time-based component). NL Hybrid Key
The logical hash suffix ensures that the key is unique even if two shards accidentally generate the same natural sequence number (due to a clock sync issue). Since Epic Games does not authorize these tools,