> For the complete documentation index, see [llms.txt](https://doortoken.gitbook.io/nil-help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doortoken.gitbook.io/nil-help/nil-contract/contract-audit.md).

# Contract Audit

~~Old Contract Address: **0xD31B00deA80cF282aCE1791D204d76a85Fb82556 (No longer used)**~~

V2 Contract: **0x0eb638648207d00b9025684d13b1cb53806debe4**

### Audit #1 by VTS

The NIL Contract was audited by VTS. Copy of the Report is [**downloadable here**](https://nilcoins.com/whitepaper/NIL%20-%20Smart%20Contract%20Security%20Audit.pdf)**.**  The contract address was different when we performed the audit. We used this contract as the test environment prior to launch. The contract code was the same.

### Audit #2 by Arbitech Solutions

The second Audit was performed by Arbitech Solutions and can be [<mark style="color:blue;">downloaded here</mark>](https://nilcoin.com/whitepaper/NIL%20Contract%20Audit%202.pdf).&#x20;

![](/files/pCiMpOfhKzkcp7GmBQxE)

![](/files/WJv1lkmG5c9DgL1LBMWO)