> For the complete documentation index, see [llms.txt](https://docs.fractalbitcoin.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fractalbitcoin.io/getting-started/how-to.../understanding-cat-protocol/how-to-send-receive-cat20.md).
# How to send / receive CAT20?
Please do your own research. This guide serves only as a reference for users.
### How to send / receive CAT20?
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**Step 1: Download the Chrome Extension**
• **Download UniSat Wallet**: Visit the official Chrome Web Store link for **UniSat Wallet** and verify that it has a large number of reviews and a verified checkmark to ensure it’s not a phishing site. Download link: [Here](https://unisat.io/download)
*Make sure you are using the latest version of the extension, which must be at least v1.5.0 or higher.*
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**Step 2: Set Up Your Wallet**
• Install the extension and **set up your wallet**. During the setup process, **securely back up your seed phrase** and make sure **not to share** it or store it online.
**Step 3: Select a Taproot Address**
• Ensure that you select a **Taproot address** to be compatible with Fractal Bitcoin.
Only **Taproot and Native Segwit** wallet addresses are supported to transfer CAT20 tickers.
**Step 4: Toggle to Fractal Bitcoin**• In the wallet interface, navigate to the **top-right corner** and switch from **BTC Mainnet** to **Fractal Bitcoin Mainnet**.
**Step 5: Check Your CAT20 Balance**
• Once you’ve toggled to **Fractal Bitcoin**, your balance will be displayed.
• To **receive CAT20**, click **Receive** and copy your Fractal Bitcoin receiving address to share with others. (Taproot and Native Segwit wallet addresses only)
**Step 6: Send CAT20**
* To **send CAT20**, please click on the specific **CAT20 ticker** you want to send and then click on Send.
* Carefully review the transaction details, including **inputs** and **outputs**, before confirming. Once verified, click **Next** and sign the transaction.
> **Note**: You can send up to **4 UTXOs** in one transaction. After sending, the UTXOs will automatically merge into one.
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### **How to Merge CAT20 UTXOs**
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Merging multiple CAT20 UTXOs into a single UTXO can only be done if they share the same genesis transaction. Follow these steps to merge your UTXOs:
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**Step 1: Select the CAT20 Ticker**
Select the CAT20 TickerClick on the specific **CAT20 ticker** you want to merge. In the pop-up menu, select **Merge UTXOs**.
#### **Step 2: Choose UTXOs to Merge**
* In the **Merge** window, select the number of UTXOs you wish to merge and set your fee rate.
* Review the transaction details to ensure accuracy, then click **Start Merging** to initiate the merging process.
> **Note**: You can merge up to **100 UTXOs** in one go.
**Step 3: Confirm and Start the Merge**
* Once you’ve reviewed all the details, click **Start** to begin the UTXO merge. After the transaction is confirmed, you’ll see the progress in the wallet interface.
