> For the complete documentation index, see [llms.txt](https://docs.din.lol/din-cook-data-for-ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.din.lol/din-cook-data-for-ai/how-to-join/chipper-node-explained/how-to-purchase-node/public-sale-round.md).

# Public Sale Round

#### Tier 3 - Tier 10 Chipper Node Sale Round

The Tier 3 - Tier 10 Chipper Node Sale Round is open to everyone both on our official node sale page and some third-party platforms! If you have a referral code, feel free to enter it to provide benefits to the person who invited you.

**Sales Information:**

* **Available Chains**: The Tier 3 - Tier 10 DIN Chipper Nodes will be sold on Binance Smart Chain (BSC) and Ethereum.

**How to Purchase:**

1. **Enter the Claim Portal**: Visit [DIN Node](<https://node.din.lol/ >).
2. **Connect Your Wallet**: Connect your wallet to proceed.
3. **Enter Invitation Code (Optional)**: If you are invited by someone, you can use the referral link, or enter the referral code.
4. **Select Node:** Choose any node you want to buy.

<figure><img src="/files/OBsPRTEyxWibwA3Sf7Iu" alt=""><figcaption></figcaption></figure>

5. **Select Chain**: Choose between BSC or Ethereum.
6. **Enter Quantity**: Specify the number of nodes you want to purchase.
7. **Pay**: Complete the payment through your wallet.

<figure><img src="/files/WbUZKO9UDXw8r4Uidh1r" alt=""><figcaption></figcaption></figure>

8. **Pay**: Complete the payment through your wallet.

Additionally, during the public sale round, DIN will host several campaigns with some third-party platforms including launchpads and NAAS platforms to sell some nodes to those communities!

Make sure to stay updated and follow DIN's official channels for the latest information and announcements.