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Aliases no longer exist on the Syscoin Network, and previous version 2 and 3 chains are no longer running, therefore you will not see your alias on any Syscoin wallet. There will be a new Identity Layer in the future.
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Your coins will still be at the same addresses you had in Versions 2,3 or 4. You will need to DUMPWALLET and IMPORTWALLET into version 4.1.3. (Instructions attached above) You will not see correct balances on old wallets because they can not sync with a network that is not running. Once you have imported your keys into 4.1.3 and synced, your coins will appear.
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You should be able to migrate directly from 2 to 4 using the dumpwallet, importwallet procedure.