> For the complete documentation index, see [llms.txt](https://docs.zkbridge.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zkbridge.com/zkbridge-trustless-cross-chain-bridges-made-practical/zkbridge-research-paper.md).

# zkBridge Research Paper

For more details of the zkBridge protocol and its proof system, please refer to the zkBridge research paper published at the ACM CCS 2022:

zkBridge: Trustless Cross-chain Bridges Made Practical

<https://dl.acm.org/doi/10.1145/3548606.3560652>