Changelog

[1.0.0+1.21.1] — 2026-05-24

Initial release

Economy system

• Virtual player balances stored per-world in persistent NBT save data
• Logarithmic price curve: prices rise with scarcity, fall with surplus
• Per-player buy rate limiting (configurable window + cap) to prevent price manipulation
• Price decay: prices slowly return to base over time (on by default in singleplayer, off in multiplayer)
• Price trend snapshots every ~3 minutes — ↑/↓/— arrows reflect recent movement.

Market GUI

• Category tabs with full-text cross-tab search
• A/Z alphabetical sort toggle
• Locked items pushed to the bottom of the list until the required advancement is completed
• Per-item detail screen with BUY / SELL buttons: ×1 left-click, ×64 Shift+click, custom right-click
• Shift+SELL fills with however many the player holds
• Transaction history panel with type badge, item name, quantity, amount, and timestamp
• Withdraw tab to convert virtual balance to physical coins

Currency

• 8 denominations: Copper Coin, Sack of Copper Coins, Silver Coin, Sack of Silver Coins, Gold Coin, Sack of Gold Coins, Platinum Coin, Sack of Platinum Coins
• Coin sack crafting recipes (9× smaller coin → 1 sack)
• Right-click to deposit physical coins into virtual balance
• Some coins drop in vanilla loot chests

Multiplayer / dedicated server

• Full price config synced to each client on join
• Live price + trend data broadcast to all online players after every trade

Configuration

• jakeseconomy-server.json — market depth, sensitivity, decay, rate limits
• jakeseconomy-prices.json — categories, item prices, achievement locks

Admin commands

• /jakeseconomy balance / give / set / take
• /jakeseconomy market setprice / removeprice