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whymarrh
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### What is the current state of things and why does it need to change? Mobile app and some controllers is using `toChecksumAddress` from `ethereumjs-util` package but this function is quite slow because of crypto operations happening inside. I plan to replace it with function from this package which is doing crypto operations too but it's memoized at least. Memoization should help quite a lot because address pool is usually quite limited. I also made implementation in this package 4x faster and added few more addresses to test file. <img width="536" alt="Screenshot 2025-06-26 at 21 06 11" src="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/user-attachments/assets/265f307a-3803-48a9-839b-867e1312ea8c" />
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This PR represents v2.0.1.