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Trading and Caravans
In the game, products and resources can be transported using caravans. Each land has a default caravan assigned to it, which cannot be taken away, destroyed, or transferred to someone else. When a land is sold, the caravan with all its contents will be transferred to the new owner of the land.
Each caravan is a separate address in the blockchain network, and all items being transported are NFT tokens that come and go to the caravan's wallet during loading and unloading. All of these operations are performed by the game's backend server using a game contract, and all transactions are transparent and visible on the blockchain.
The route and biomes affect safety and travel speed for caravans. Routes can be optimized for cost or speed. Unattached caravans can be created using NFT characters with bonuses to speed and load capacity based on the assigned collection.
Trading is crucial for the evolution of the game world, allowing players to earn money by transporting goods. To trade, a player needs to access a trading hub, which can belong to someone else. The hub owner selects tradable resources and sets taxation, which can be in resources or game tokens. They can also trade directly from the land warehouse.
Players who bring their own goods can also set orders for purchase or sale. These orders will only be effective as long as the caravan is on the land with the hub. Once the caravan departs to another location, all orders will be cancelled since the hub does not have separate storage for player goods. In this case, the caravan itself acts as a temporary storage, just like a trader who brings their goods to a fair.