# Oracle

* RedStone Oracles

Bitlen Finance uses RedStone Oracles as the primary solution for asset pricing. [RedStone](https://redstone.finance/) is a Modular Oracle that delivers frequently updated, reliable, and diverse data feeds in a few models. Bitlen utilizes [Classic](https://docs.redstone.finance/docs/smart-contract-devs/get-started/redstone-classic) model which ensures that data is pushed into on-chain storage via a relayer with set conditions. (heartbeat and deviation threshold) 

<br>