# Safe & Zodiac Roles Modifier

A [Safe {Wallet}](https://safe.global/) is a smart wallet based on a multi-signature technology.

The [Zodiac Roles Modifier](https://docs.roles.gnosisguild.org/) is an on-chain permissions module for [Safe {Wallet}](https://safe.global/). It allows customizable roles to have specific permissions.

Permissions concern the capacity of interacting with a smart contract address, functions and which arguments can be put in the call.

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