# Security

We take security very seriously and released the audited version of Endur on the first day of STRK staking, November 26, 2024.

| Date             | Auditor                                         | Audit Report                                                                                  | Change                                  |
| ---------------- | ----------------------------------------------- | --------------------------------------------------------------------------------------------- | --------------------------------------- |
| 24 November 2024 | [Cairo Security Clan](https://x.com/cairoaudit) | [Link](https://drive.google.com/file/d/1EufZmcW9k5yq5Jivek1MjTCVnft5WRER/view)                | V1 launch                               |
| 23 January 2025  | [Cairo Security Clan](https://x.com/cairoaudit) | [Link](https://drive.google.com/file/d/1IUySv0Z924vfRDMDNVupH9VR9WdoqKax/view?usp=drive_link) | Upgrade withdrawal queue logic          |
| 17 June 2025     | [Cairo Security Clan](https://x.com/cairoaudit) | [Link](https://drive.google.com/file/d/17A4ivPm55aRCJvUQ5D17PhUpsxjKsLoc/view?usp=sharing)    | Support Starknet Staking V2             |
| Aug 2025I        | [Cairo Security Clan](https://x.com/cairoaudit) | [Link](https://drive.google.com/file/d/1NDr0HnKFbnk0NVlk51BWlxPiVH-IXNhY/view?usp=drive_link) | BTC staking and multi-validator support |