# Buy and Sell Orders

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OTSea v1 offers support for both buying and selling tokens. Whether a user wants to put up tokens in exchange for ETH, or ETH in exchange for tokens, they can do so with a variety of configurable fields for their order.

**Buy Order -** Offer chain's native currency to buy tokens

**Sell Order -** Offering tokens in exchange for the chain's native currency

**Configurable Fields:**

* Tokens Offered
* Tokens For
* Market Price Delta (Difference vs Uniswap Price)
* Auto-Match Orders if any are returned
* Unlisted (On/Off)
* Whitelist (On/Off)
* Delayed (On/Off)
* Crowd-Fill (On/Off)