# VFX V1

YFX V1 was first deployed on Tron in January 2021. Later it was deployed to Heco, BSC, and xDai.

## YFX V1 Whitepaper

<https://yfxdefi.medium.com/yfx-white-paper-d9a4feacf0b7>

{% hint style="danger" %}
YFX V4 is now live, and support for the Tron, Heco, BSC, and xDAI public chains has been suspended. Please redeem your funds as soon as possible.

<https://trx.yfx.com/>

<https://ht.yfx.com/>

<https://bsc.yfx.com/>

<https://xdai.yfx.com/>
{% endhint %}

For more info, please view the docs under YFX V2.


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