# Audits

BORG Bridging on Solana is powered by [Wormhole's Native Token Transfers](https://github.com/wormhole-foundation/example-native-token-transfers). 

{% hint style="info" %}
The contracts deployed by SwissBorg have **not** been modified and were deployed from the following Github tags:

* v1.0.0+evm
* v1.0.0+solana
  {% endhint %}

At the time of writing (May 2024), NTT has been audited 4 times:

* [**Mar 2024 - Cyfrin**](https://github.com/wormhole-foundation/wormhole-audits/blob/main/2024-04-11-cyfrin-wormhole-evm-ntt.pdf): *NTT EVM Contracts*
* [**Mar 2024 - Cantina**](https://github.com/wormhole-foundation/wormhole-audits/blob/main/2024-04-cantina-wormhole-evm-ntt.pdf): *NTT EVM Contracts*
* [**Mar 2024 - OtterSec**](https://github.com/wormhole-foundation/wormhole-audits/blob/main/2024-03-28-ottersec-solana-ntt.pdf): *NTT Solana Contracts*
* [**Mar 2024 - Neodyme**](https://github.com/wormhole-foundation/wormhole-audits/blob/main/2024-04-12-neodyme-solana-ntt.pdf): *NTT Solana Contracts*

The up-to-date list of audits can be found on [Wormhole Github](https://github.com/wormhole-foundation/wormhole/blob/main/SECURITY.md#3rd-party-security-audits).


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