> For the complete documentation index, see [llms.txt](https://docs.teranode.group/nchain-event/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.teranode.group/nchain-event/independent-records/use-cases.md).

# Use Cases

The following use cases provide examples of different scenarios of using nChain Event APIs to record, read and verify public data on the blockchain.

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[Lucky Number Tickets](/nchain-event/independent-records/use-cases/lucky-number-tickets.md)
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[Internet of Things (IoT) Data](/nchain-event/independent-records/use-cases/internet-of-things-iot-data.md)
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[Intellectual Property Rights (IPR) Evidence](/nchain-event/independent-records/use-cases/intellectual-property-rights-ipr-evidence.md)
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[Car Dealership](/nchain-event/independent-records/use-cases/car-dealership.md)
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