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🛡️ Anti-Dupe Protection System
Protecting fair gameplay with advanced item duplication prevention!
🎯 What is Anti-Dupe?
Anti-Dupe (BlockSigningPlugin) is our security system that prevents players from duplicating items using exploits, glitches, or bugs.
Why It Matters:
- 💎 Protects server economy
- ⚖️ Ensures fair gameplay for everyone
- 🛡️ Prevents cheating and exploitation
- ✅ Maintains item value and rarity
- 🏆 Rewards legitimate grinding and effort
🔍 How It Works
1️⃣ Unique Hash Assignment
Every valuable item gets a unique digital signature (hash):
- 🔐 Each item = unique ID
- 📝 Hash stored in item metadata
- 🔍 System tracks all hashed items
- ⚡ Assigned instantly when item is created
2️⃣ Duplicate Detection
The system constantly scans for duplicates:
- 📊 Player Scan: Every 5 seconds per player
- 🌐 Cross-Inventory: Every 30 seconds across all players
- 🚨 Detection: Finds items with same hash
- ⚠️ Action: Removes duplicate items automatically
3️⃣ Smart Monitoring
Only high-value items are monitored for performance:
- ✅ Diamonds, netherite, enchanted gear
- ✅ Shulker boxes (all colors)
- ✅ Elytra, totems, tridents
- ✅ Special items defined by admins
- ❌ Common items like dirt, cobblestone ignored
📋 Monitored Items
💎 Valuable Resources:
- Diamonds
- Netherite Ingots & Scrap
- Emeralds
- Ancient Debris
⚔️ Equipment:
- All Diamond Tools & Armor
- All Netherite Tools & Armor
- Enchanted Books
- Bows & Fishing Rods
- Mace
🎒 Storage & Special Items:
- All Shulker Boxes (16 colors)
- Elytra
- Totem of Undying
- Trident
- Wither Skeleton Skull
- Shulker Shell
🧪 Potions:
- Potions (all types)
- Splash Potions
- Lingering Potions
⚙️ Configuration
Current Settings:
- Scan Interval: 5 seconds (per player)
- Cross-Scan: 30 seconds (all players)
- Unhashed Check: 1 second (new items)
- Auto-Ban: Disabled (items removed, no ban)
- Debug Mode: Disabled
- Only-Scan Mode: Enabled (performance optimized)
Custom Stack Sizes:
- Potions: 1 per stack
- Splash Potions: 1 per stack
- Lingering Potions: 1 per stack
- Tipped Arrows: 64 per stack
👥 Whitelist System
Admins can whitelist trusted players who are exempt from checks:
- ✅ No hash assignment
- ✅ No duplicate detection
- ✅ Useful for testing or admin tasks
- ⚠️ Use carefully! Only for trusted staff
Add to Whitelist: /antidupe whitelist add
Remove: /antidupe whitelist remove
📝 Logging System
All dupe attempts are logged for admin review:
Dupe Log (dupe_log.yml):
- Player name & UUID
- Item type & quantity
- Timestamp of detection
- Action taken
Ban Log (bans.yml):
- Only if auto-ban enabled
- Currently empty (auto-ban disabled)
🚨 What Happens When Dupes Detected
- 🔍 Detection: System finds duplicate hash
- 📝 Logging: Event logged to dupe_log.yml
- 🗑️ Removal: Duplicate items removed from inventory
- 💬 Notification: Message sent to admins
- ⚠️ Warning: Player warned (if public messages enabled)
- 🚫 No Ban: Auto-ban disabled, items simply removed
📢 Public Messages: Enabled - Players see when duplicates are detected
👑 Admin Commands
| Command | Description |
|---|---|
/antidupe | Main command menu |
/antidupe viewhash | View item hash info |
/antidupe modifyhash | Modify item hash |
/antidupe addcustom | Add custom item to monitor |
/antidupe whitelist add/remove | Manage whitelist |
/antidupe setstacksize | Set custom stack size |
/antidupe onlyscan add/remove | Manage scan list |
/antidupe reload | Reload configuration |
❓ FAQ
Q: Will this affect my gameplay?
A: No! The system runs in the background. You won't notice it unless you attempt to dupe.
Q: What if I accidentally trigger it?
A: Accidental triggers are rare. If items are removed, contact staff with explanation.
Q: Can I get banned?
A: Auto-ban is currently disabled. Items are simply removed. Repeated attempts may result in manual review.
Q: Does it lag the server?
A: No! Only-scan mode monitors specific items, keeping performance excellent.
Q: What about legitimate items?
A: All items are hashed on creation. If you mined/crafted it legitimately, it's fine.
Q: Can I trade duplicated items?
A: No. Duplicate items are detected and removed during cross-inventory scans.
Q: What if I find a dupe glitch?
A: Report it to staff immediately! You may be rewarded for responsible disclosure.
⚖️ Fair Play Policy
✅ Allowed:
- Mining, crafting, trading legitimately
- Villager trading farms
- Mob farms and grinders
- Redstone contraptions
- Item sorting systems
🚫 NOT Allowed:
- Using duplication glitches
- Exploiting server bugs for items
- Attempting to bypass anti-dupe
- Distributing duped items
- Helping others to dupe
⚠️ Consequences:
- First time: Items removed, warning
- Repeated attempts: Temporary ban
- Intentional exploitation: Permanent ban
🎯 Tips for Legitimate Play
- ⛏️ Mine diamonds in caves and deep slate
- 🔧 Use Fortune III for more diamonds
- 💰 Trade with villagers for gear
- 🏭 Build efficient farms for resources
- 📦 Use shulker boxes for storage (monitored but legitimate)
- ⚔️ Grind for enchanted gear in The End
- 🤝 Trade with other players fairly
📊 System Status
- Status: ✅ Active and Monitoring
- Version: BlockSigningPlugin 2.2
- Scans: ~500,000+ per day
- Items Monitored: 50+ types
- Performance Impact: <1% CPU usage
- False Positives: Extremely rare
- Detection Rate: 99.9% effective
🛡️ Your Protection, Our Priority!
Anti-Dupe ensures everyone plays on a level playing field. Thanks for supporting fair gameplay! 🎮
📞 Report Issues: If you believe you've been falsely flagged, contact staff with details.