> For the complete documentation index, see [llms.txt](https://snowball-mns.gitbook.io/snowball/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://snowball-mns.gitbook.io/snowball/modular-naming-service-mns/metamask-snaps/knowledge-base.md).

# Knowledge Base

MetaMask Snap is an innovative extension for the MetaMask wallet that enables users to interact with MNS identities seamlessly. With MNS Snap, users can easily send and receive assets using just their MNS identity name - eliminating the lengthy wallet addresses issue.

### Integration and Functionality:

1. Installation\
   The user can install MNS Snap by accessing the [MetaMask Snaps Directory](https://metamask.io/snaps) and selecting the Snap for installation. This operation is confined to the MetaMask browser extension (version 11.0 and above).
2. Identity Resolution
   1. MNS Snap allows users to resolve MNS identities to corresponding wallet addresses upon installation effortlessly. When a user inputs an MNS identity (e.g., @name) in the wallet interface, Snap triggers a query to the MNS smart contracts.
   2. The query is processed through a resolution protocol that verifies the existence of the MNS identity and retrieves the associated blockchain address.
3. Transaction Mechanics\
   When the user initiates a transaction, Snap utilizes the resolved wallet address to transfer assets, facilitating a direct connection to the specified identity.
4. Blockchain Compatibility\
   MNS Snap functions across all networks supported by MetaMask, ensuring broad usability. It effectively integrates with the MNS's underlying smart contracts, maintaining compatibility and security across multiple blockchain environments.
5. Security and Permissions\
   In a sandboxed environment, MNS Snap utilizes a permissions model that guarantees user data confidentiality and integrity. The Snap does not access internal MetaMask account data without explicit user consent, ensuring a secure user experience.

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