In unmodded Minecraft, an X-Ray mod or hacked client tells the game: "Do not render block ID #1 (stone), #2 (dirt), #3 (gravel). Only render block IDs #56 (diamond), #14 (gold), etc." The client happily complies, and you see ores floating in a void.
This is the most critical part of this guide. The vast majority of YouTube videos and random websites claiming to have a "Bypass Pack for [Server Name]" are scams. anti xray bypass texture pack
Some "bypass" packs make common non-valuable blocks (like gravel, granite, andesite, and diorite) transparent, while keeping regular stone opaque. In unmodded Minecraft, an X-Ray mod or hacked