> For the complete documentation index, see [llms.txt](https://docs.bxdx.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bxdx.io/airdrop/how-to-buy-in-the-presale.md).

# How to buy in the Presale ?

<figure><img src="/files/68SiuJMN4Kh530pdUsFG" alt=""><figcaption></figcaption></figure>

**How to buy in the Presale ?**

**-Go to the official presale site :** <https://ido.bxdx.io>

**-Select the blockchain you wish to buy $BITX in ( Solana or Bitcoin )**

**-Calculate the amount you want to buy in SOL or BTC according to the current price**

**-Copy or scan the QR code of the Presale address**

**-Manually send the amount of SOL or BTC to the copied Presale address&#x20;**<mark style="color:red;">**( DONT SEND FROM CEX )**</mark>

**-Once Paid Check your allocation on official website :** [**https://check-allocation.bxdx.io**](https://check-allocation.bxdx.io)

**-Done!**&#x20;

<mark style="color:red;">**Important: Do not connect your wallet to any external sites, and be cautious of fraudulent links. The only official link for the presale is**</mark>**&#x20;**<mark style="color:blue;">**:**</mark> [<mark style="color:blue;">**https://ido.bxdx.io**</mark>](https://ido.bxdx.io/)<mark style="color:blue;">**.**</mark>