> For the complete documentation index, see [llms.txt](https://doc.opbrc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.opbrc.com/opbrc-protocol.md).

# opBRC Protocol

An scalable inscription protocol standard on opBNB. Compared to inscriptions in other EVM ecosystems, opBRC plays a more practical and pivotal role in opBNB, opening new possibilities for cross-chain implementations. It supports various ecological applications including defi, gamefi, and socialfi, marking it as an innovative asset on the opBNB network.

**Protocol start from block number: 11929500**