> For the complete documentation index, see [llms.txt](https://docs.casa.io/wealth-security-protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.casa.io/wealth-security-protocol/rejected-key-schemes/2-of-2.md).

# 2-of-2

2-of-2 multisig offers some resistance against theft, but it increases the risk of key loss to unacceptable levels. If any one key is lost, the user's funds will also be lost.\
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Duplicating or key-splitting one of the keys in a 2-of-2 setup can offer improved usability, but the system is still weak against disasters and attacks compared to a 2-of-3 or 3-of-5 scheme.<br>