> ## Documentation Index
> Fetch the complete documentation index at: https://metalayerlabs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Utility contracts

> Contract addresses to aid in deterministic deployments and other utilities.

# Mainnet

## Deterministic deployments

Blast mainnet supports the following create2 factory contracts:

| Factory Contract Name                                                                                                                          | Factory Contract Address                     |
| ---------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------- |
| [pcaversaccio/create2deployer](https://github.com/pcaversaccio/create2deployer)                                                                | `0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2` |
| [pcaversaccio/createx](https://github.com/pcaversaccio/createx)                                                                                | `0xba5Ed099633D3B313e4D5F7bdc1305d3c28ba5Ed` |
| [Arachnid/deterministic-deployment-proxy](https://github.com/Arachnid/deterministic-deployment-proxy)                                          | `0x4e59b44847b379578588920ca78fbf26c0b4956c` |
| [Zoltu/deterministic-deployment-proxy](https://github.com/Zoltu/deterministic-deployment-proxy)                                                | `0x7A0D94F55792C434d74a40883C6ed8545E406D12` |
| [INEFFICIENT\_IMMUTABLE\_CREATE2\_FACTORY\_ADDRESS](https://github.com/ProjectOpenSea/seaport/blob/main/docs/Deployment.md#relevant-addresses) | `0xcfA3A7637547094fF06246817a35B8333C315196` |
| [IMMUTABLE\_CREATE2\_FACTORY\_ADDRESS](https://github.com/ProjectOpenSea/seaport/blob/main/docs/Deployment.md#relevant-addresses)              | `0x0000000000ffe8b47b3e2130213b802212439497` |

## Multicall3

* [Multicall3](https://github.com/mds1/multicall): `0xcA11bde05977b3631167028862bE2a173976CA11`
  * On block number: `88189`