# ARIS Overview

ARIS is the intent execution layer of Addax. It lets users create orders offchain with no gas cost. A decentralised network of fillers monitors open orders and executes them onchain when conditions are met.

## Order types

| Type            | Contract                       | Use case                                   |
| --------------- | ------------------------------ | ------------------------------------------ |
| Limit           | ArisLimitOrderReactor          | Fill at or better than a fixed price       |
| Dutch           | ArisDutchOrderReactor          | Price decays from high to low until filled |
| Exclusive Dutch | ArisExclusiveDutchOrderReactor | Dutch with a priority filler window        |
| DCA             | ArisDcaOrderReactor            | Recurring buys split across time intervals |

## Sections

* [How Intents Work](/protocol/aris/intents.md)
* [Limit Orders](/protocol/aris/limit-orders.md)
* [Dutch Orders](/protocol/aris/dutch-orders.md)
* [DCA Orders](/protocol/aris/dca.md)
* [Order API](/protocol/aris/order-api.md)
* [Becoming a Filler](/protocol/aris/becoming-a-filler.md)


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