How do I install Block Signing Plugin (Anti-Dupe)?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Spigot — not every file is mirrored on our own servers.

What Minecraft version does Block Signing Plugin (Anti-Dupe) work with?

The listing gives Minecraft 1.20. This is the version stated by the author or source site, not something we verified ourselves.

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Block Signing Plugin (Anti-Dupe)

Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.

⬇ Download on Spigot

Open in MC Java Mods Get it on Google Play →

The plugin assigns MD5 checksums to the following items. If a duplicate MD5 is detected, the offending player has the items wiped. A message is sent with the offending MD5, and the server log receives a message stating that a duplicate MD5 was detected in a player's inventory, and the items were removed.

This plugin is a proof of concept.

BOW
CHAINMAIL_BOOTS
CHAINMAIL_CHESTPLATE
CHAINMAIL_HELMET
CHAINMAIL_LEGGINGS
CROSSBOW
DIAMOND_AXE
DIAMOND_BOOTS
DIAMOND_CHESTPLATE
DIAMOND_HELMET
DIAMOND_HOE
DIAMOND_LEGGINGS
DIAMOND_PICKAXE
DIAMOND_SWORD
DRAGON_EGG
DRAGON_HEAD
ELYTRA
ENCHANTED_BOOK
IRON_AXE
IRON_HOE
IRON_PICKAXE
IRON_SHOVEL
IRON_SWORD
NETHERITE_AXE
NETHERITE_BOOTS
NETHERITE_CHESTPLATE
NETHERITE_HELMET
NETHERITE_LEGGINGS
NETHERITE_PICKAXE
NETHERITE_SHOVEL
NETHERITE_SWORD
POTION
SHULKER_BOX
BLACK_SHULKER_BOX
BLUE_SHULKER_BOX
BROWN_SHULKER_BOX
CYAN_SHULKER_BOX
GREEN_SHULKER_BOX
LIGHT_BLUE_SHULKER_BOX
LIGHT_GRAY_SHULKER_BOX
LIME_SHULKER_BOX
MAGENTA_SHULKER_BOX
ORANGE_SHULKER_BOX
PINK_SHULKER_BOX
PURPLE_SHULKER_BOX
RED_SHULKER_BOX
WHITE_SHULKER_BOX
YELLOW_SHULKER_BOX
TOTEM_OF_UNDYING

Plugin details

Built for Minecraft 1.20+
Plugin version 1.0-SNAPSHOT

Read from the plugin's own plugin.yml.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.20
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Spigot — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

Block Signing Plugin (Anti-Dupe) is a free Minecraft Java mod. Compatible with Minecraft 1.20. Downloaded 181 times (via Spigot). Download it and open it directly in the game.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.20