As of April 2026, the most prominent duplication glitch in Minecraft Bedrock (versions 1.21 to 26.13) utilizes a . This method exploits how the game handles item data when a "bundle" is moved between storage containers (Hoppers) at the exact moment a player interacts with them. The Bundle & Hopper Duplication (v26.13)

While the hopper method is the "gold standard" for reliability, other niche exploits exist:

: Primarily used on servers (Realms), this involves "overloading" a book's data with characters until the server kicks the player, potentially rolling back their inventory while the chest data remains saved. Critical Considerations

: Place two pistons facing each other. Connect them to the clock so they push two hoppers back and forth rhythmically.