> For the complete documentation index, see [llms.txt](https://docs.emc.network/emc-testnet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emc.network/emc-testnet/emc-testnet/how-to-use-oracles-in-applications.md).

# How to use oracles in applications

Oracles act as bridges in blockchain applications, allowing smart contracts to interact with the outside world. Oracles retrieve external data and pass it to smart contracts on the blockchain, allowing them to make decisions based on real-world events. This guide will detail how to use oracles in applications on the EMC chain.