# Zeny Marketplace

1. #### What is the [Zeny](/economic-system/currencies/zeny.md) Marketplace?
   * The **Zeny Marketplace** is a trading platform where you can buy and sell **Zeny** using [**$DELABS**](/usddelabs.md).
   * It can be accessed via the [**Delabs Mini App**](https://app-line.delabs.gg/).
     * Go to Game tab > Ragnarok Libre > Zeny Marketplace.

2. #### How to Trade
   * Minimum Trade Amount: **100,000 Zeny** per listing.
   * **Sell**
     * Go to **My Zeny > Mint** and mint the amount of Zeny you want to list.
       * **RO Points** are required for minting. See the **Delabs-Zeny Production Function** below for details regarding RO Point calculation logic.
       * Minting Zeny requires you to log out from the game. Login will be unavailable during the minting process.
     * Check minted Zeny under **My Zeny > Manage > Unlisted Zeny**
     * Press **List** to put Zeny up for sale
       * Minimum listing: **100,000 Zeny**
       * Set price in **$DELABS (quantity).**
       * When listing Zeny, pressing the AUTO button automatically fills the listing amount based on the last traded price.
     * When the sale completes, you receive **$DELABS**.
       * A **10% $DELABS fee** is deducted upon settlement
   * **Buy**
     * Go to the **Buy** Tab
     * Select and purchase the desired **Zeny bundle(s)** (Payment in **$DELABS**)
       * You can purchase multiple bundles at once.
     * Zeny you select and create a transaction with is reserved for up to 3 minutes for signing.
       * If signing isn’t complete within 3 minutes, the reservation is released and the Zeny becomes available to other buyers.
     * Purchased Zeny will appear under **My Zeny > Manage > Unlisted Zeny**
     * Press **Burn & Claim** to transfer it into your **in-game Mailbox**
   * **Overview**
     * Through the Overview, you can check real-time Zeny prices and see the current Trader rankings.
   * **The Delabs-Zeny Production Function**
     * The amount of RO Point consumption is determined by the **Delabs-Zeny Production Function**, which reflects the Zeny productivity of *Ragnarok Libre*. It is calculated to create a sustainable price of on-chain Zeny based on the following factors:
       * On-chain Zeny supply
       * Amount of Zeny burned
       * Unique number of buyers
       * Trading volume
       * Trading pressure index (cumulative listed amount of on-chain Zeny / total on-chain Zeny supply)


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