# Overview

Introducing `Duo Exchange`, an yield swapping protocol that allows LPs to boost airdrop points or yield. A single `Vault` contract houses liquidity provision from all LPs and routes points / yield according to an LP's preference.

<figure><img src="https://937219469-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fh4ZWHCVneRsZMvq7EPYQ%2Fuploads%2FQ25BOCEDZKBQUxX3UN7k%2Fdce05861-0307-4285-b9f5-d72f6d8b8c5e.png?alt=media&#x26;token=1504d06a-ef90-4ad1-8258-8189e53a9486" alt=""><figcaption></figcaption></figure>

This simple setup creates powerful applications. Currently, there are duo exchanges that enables [point-yield-swap](https://docs.duo.exchange/point-yield-swap "mention") or [variable-fixed-yield-swap](https://docs.duo.exchange/variable-fixed-yield-swap "mention").&#x20;