feat: update network nicknames #7045
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Prithpal-Sooriya
previously approved these changes
Nov 3, 2025
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Explanation
Popular Network nicknames are incorrect and they are currently being overwritten in both clients during onboarding.
Here we can see how both clients override the names:
https://github.com/MetaMask/metamask-mobile/blob/main/app/core/Engine/controllers/network-controller-init.ts#L55
https://github.com/MetaMask/metamask-extension/blob/main/app/scripts/controller-init/network-controller-init.ts#L83
This PR will make that code redundant and better reflect the initial state.
Here are the draft PRs for both clients. Once this is merged and released the changes will be merged.
MetaMask/metamask-mobile#22137
MetaMask/metamask-extension#37518
References
Related to MetaMask/metamask-extension#37478
Checklist
Note
Updates built-in network nicknames (e.g., Ethereum, Base, Arbitrum, BNB Chain, OP, Polygon, Sei) and aligns tests/error messages; adds changelog entry.
NetworkNicknamemappings insrc/types.ts:Mainnet→Ethereum,Base Mainnet→Base,Arbitrum One→Arbitrum,BSC Mainnet→BNB Chain,Optimism Mainnet→OP,Polygon Mainnet→Polygon,Sei Mainnet→Sei.NetworkController.test.tsto reflect new nicknames.Written by Cursor Bugbot for commit 84f9060. This will update automatically on new commits. Configure here.