---
title: Audits
---

Below are links to our third-party audit reports.

+---------+------------------------------------------------------------+
| **Re    | **Reports**                                                |
| lease** |                                                            |
+---------+------------------------------------------------------------+
| E       | -   [Consensys Diligence                                   |
| xchange |     (December 2020)](https                                 |
| V4      | ://consensys.net/diligence/audits/2020/12/0x-exchange-v4/) |
+---------+------------------------------------------------------------+
| E       | -   [Trail of                                              |
| xchange |     Bits](http://zeips.0x.org.s3-website.                  |
| V3      | us-east-2.amazonaws.com/audits/56/trail-of-bits/audit.pdf) |
|         | -   [Consensys Diligence                                   |
|         |     (Exchange)](https                                      |
|         | ://diligence.consensys.net/audits/2019/09/0x-v3-exchange/) |
|         | -   [Consensys Diligence                                   |
|         |     (Staking)](http                                        |
|         | s://diligence.consensys.net/audits/2019/10/0x-v3-staking/) |
+---------+------------------------------------------------------------+
| E       | -   [First](https://docs.google.com/doc                    |
| xchange | ument/d/1jYv6V21MfCSwCS5fxD6ZyaLWGzkpRSUO0lZpST94XsA/edit) |
| V2.1    | -   [Consensys                                             |
|         |     Diligence                                              |
|         | ](https://github.com/ConsenSys/0x_audit_report_2018-07-23) |
+---------+------------------------------------------------------------+
| M       | -   [Consensys                                             |
| ultiAss |     Dilige                                                 |
| etProxy | nce](https://github.com/ConsenSys/0x-audit-report-2018-12) |
+---------+------------------------------------------------------------+
| ERC11   | -   [Consensys                                             |
| 55Proxy |     Dilige                                                 |
|         | nce](https://github.com/ConsenSys/0x-audit-report-2019-05) |
+---------+------------------------------------------------------------+
| S       | -   No third-party audit.                                  |
| taticCa |                                                            |
| llProxy |                                                            |
+---------+------------------------------------------------------------+
| ER      | -   No third-party audit.                                  |
| C20Brid |                                                            |
| geProxy |                                                            |
+---------+------------------------------------------------------------+