Some users may hold or track hundreds of different tokens across multiple networks. This test involves importing a wallet with an exceptionally large number of tokens and verifying that MetaMask remains performant when displaying and managing these assets. The app should handle large token lists efficiently, with smooth scrolling and responsive UI despite the volume of items. Search and filtering capabilities should remain fast and accurate even with hundreds of tokens in the list. This performance under load is crucial for power users with diverse portfolios, ensuring that the wallet remains usable as their crypto holdings grow and diversify. Optimization techniques for handling large datasets are employed in the application architecture, as discussed in technical blogs at metamask. The test is successful if the app maintains performance and usability with very large token lists.
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