> For the complete documentation index, see [llms.txt](https://docs.clique.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.clique.tech/toolchain/clique-attestation-sdk.md).

# Clique Attestation SDK

Attestations are like digital records that act as proof or a stamp of approval on information provided by one party about pretty much anything. In our case attestations are statements made by an issuer-node about a subject. The subject can be an EVM address, or a VC, or an IPFS hash, or even another attestation.

We use attestations because they are versatile and designed for composability and interoperability, they can vouch for a multitude of information types.

Some great documentation has been done already by our friends over at [EAS](https://docs.attest.sh/docs/welcome) and [Verax](https://docs.ver.ax/verax-documentation/).


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