Hide token without balance:
1. In Aloha Wallet tap Settings icon in the upper right corner
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2. Enable 'Hide tokens without balance' toggle to hide your tokens.
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How to hide specific token:
1. In Aloha Wallet go to Tokens section
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2. Select any token
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3. Tap three-dot icon in the upper right corner
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4. In the pop up menu tap Hide
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Please note that only non-native tokens can be hidden manually.