# CTR & xCTR

Technical reference for integrating with the CTR and xCTR contracts.

* [CTR Token](/developer-documentation/ctr-token/ctr-token.md) — ERC-20 token with mint/burn and permit
* [xCTR Staking](/developer-documentation/ctr-token/staking.md) — ERC-4626 staking vault with exit mechanics


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