Minecraft 1710 Dupe Work [best]

For history lessons, study 1.7.10. For actual resources, play the current version (1.20+), where duplication is nearly impossible without server operator commands.

Today, most of those methods are patched or require such precise timing (1/20th of a second) that they are impossible without a macro. If you find a video claiming it works, treat it with suspicion. The real "dupe" was the friendship you exploited along the way—or, more accurately, the lag machine you built in your friend's basement. minecraft 1710 dupe work

Here are the three most historically reliable duplication methods for version 1.7.10. This was the king of vanilla 1.7.10 duping. It exploits how the client and server handle collision detection. For history lessons, study 1

Stay legitimate, crafters.