> For the complete documentation index, see [llms.txt](https://docs.bitlen.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bitlen.io/borrowing/oracle.md).

# 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) 

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