# Subnet Configurations

## Supported Blockchains

Builder Subnets can be registered on the following blockchains. If you chose to deploy on multiple blockchains, these will technically be two separate Builder Subnets.

1. Base
2. Arbitrum

## Supported Wallets

Builder subnets can be registered using standard wallets an multisigs.

{% hint style="info" %}
**Security tip:** Gnosis Safe multisig is recommended for greater security. 
{% endhint %}

<figure><img src="/files/tHQ9C8a8jCGwuX0xQR8h" alt=""><figcaption></figcaption></figure>

## Project Administrator Address

The Project Administrator Address is the address of the wallet or multisig used during the Builder Subnet registration . This address is able to do the following functions:

1. Claim rewards based on the immutable settings elected during initial registration

Additional Builder Subnet administration functionality may be release in the future.


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