# Technical

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<summary><strong>What blockchain is untrading.org built on?</strong></summary>

* Mainnets: Ethereum and Polygon
* Testnets: Sepolia, Goerli and Mumbai

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<summary>What smart contracts are used on untrading.org?</summary>

Several smart contracts govern different aspects of the platform. You can find more information about specific smart contracts in the untrading.org GitHub at <https://github.com/untrading>.

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<summary>Where can I find the untrading.org documentation?</summary>

The official untrading.org documentation is available on the platform website at <https://docs.untrading.org/>. It provides detailed information about features, functionalities, and technical specifications.

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