Copper

is a currency used within . It can be used to purchase various items and upgrades from The Desk, and upgrading the Composter.
 is co-op soulbound and can not be traded between players. However items purchased with are tradable.
==Obtaining==
Varying amounts of can be obtained by completing offers from Visitors in .
 reward is determined based on the amount of items requested and the Visitor's rarity, with this formula:
Copper = \frac{\frac{BaseItems}{2000}}{ItemQuantityMultiplier} \times VisitorRarityMultiplier \times 1.3
where (BaseItems and ItemQuantityMultiplier are from the Requests formula)
VisitorRarityMultiplier is determined by the Visitor's Rarity:
*: 
*: 
*: 
==Usage==
===SkyMart===
 can be used to purchase various items from SkyMart.
Item	Cost
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
 	
===Crop Upgrades===
Crop Upgrades increase the player's while harvesting certain crops. Each crop can be upgraded at the Desk for , and each upgrade grants . In total is needed to max out upgrades for all 10 crops.
Level 	Requirement	Cost	Cumulative Cost	Cumulative
Tier I 	 	 	 	
Tier II 	 	 	 	
Tier III 	 	 	 	
Tier IV 	 	 	 	
Tier V 	 	 	 	
Tier VI 	 	 	 	
Tier VII 	 	 	 	
Tier VIII	 	 	 	
Tier IX 	 	 	 	
===Composter Upgrades===
 can be used to purchase Composter upgrades, which can be used to increase Compost production efficiency. There are 5 upgrade branches: Composter Speed, Multi Drop, Fuel Cap, Organic Matter Cap and Cost Reduction. is required to max out all composter upgrades.
Tier	Cost	Cumulative Cost
1 	 	
2 	 	
3 	 	
4 	 	
5 	 	
6 	 	
7 	 	
8 	 	
9 	 	
10 	 	
11 	 	
12 	 	
13 	 	
14 	 	
15 	 	
16 	 	
17 	 	
18 	 	
19 	 	
20 	 	
21 	 	
22 	 	
23 	 	
24 	 	
25 	 	each
==Trivia== 
* is needed to max out all crop and composter upgrades.
* is currently worth if converted to Sunder I on the Bazaar or if converted to Dedication I.
**Therefore all the copper needed for upgrades is roughly equal to .
==History==