> ## Documentation Index
> Fetch the complete documentation index at: https://rivrdex.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# What is RivrDEX

> RivrDEX is a permissionless, non-custodial automated market maker (AMM) DEX built on Vara Network — fast, near-gasless, and open to anyone.

RivrDEX is a decentralized exchange (DEX) built on [Vara Network](https://vara.network). It uses a constant product AMM model inspired by Uniswap v2, giving anyone the ability to trade tokens, supply liquidity, and create new trading pairs — without permission, sign-up, or intermediaries.

<Note>
  RivrDEX is non-custodial. Your assets stay in your wallet at all times. No sign-up or KYC is required.
</Note>

## What you can do

<CardGroup cols={2}>
  <Card title="Swap tokens" icon="arrow-right-arrow-left">
    Exchange any supported token pair instantly. Pay only the 0.35% swap fee — network fees are near-zero.
  </Card>

  <Card title="Provide liquidity" icon="droplet">
    Deposit token pairs into liquidity pools and earn a share of swap fees proportional to your contribution.
  </Card>

  <Card title="Create trading pairs" icon="circle-plus">
    List any two tokens as a new pair. No approval process, no gatekeeping.
  </Card>

  <Card title="Earn rewards" icon="trophy" href="/docs/rewards/overview">
    Collect points for every swap, climb levels, and redeem USDT, hardware wallets, and roles.
  </Card>
</CardGroup>

## How it works

RivrDEX uses the constant product formula to price trades:

```text theme={null}
x * y = k
```

Where `x` and `y` are the reserves of each token in a pool, and `k` is a constant that the AMM preserves across every trade. This formula ensures liquidity is always available at some price.

## Near-gasless trading

Vara Network's architecture keeps network fees near zero — a tiny amount of VARA per transaction, a fraction of a cent. In practice you pay the **0.35% swap fee**, and your very first swap is fully covered by a [gas voucher](/docs/getting-started/voucher-guide) — no VARA needed to start.

<Tip>
  Of the 0.35% swap fee, 0.3% goes directly to liquidity providers.
</Tip>

## Real-time data

RivrDEX runs a dedicated backend indexer that tracks on-chain activity and surfaces real-time pool data, price history, and liquidity metrics in the app.

## Get started

<Card title="Launch RivrDEX" icon="arrow-up-right-from-square" href="https://app.rivrdex.io">
  Open the app and start trading on Vara Network.
</Card>