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Yes. Doesn't matter how you bought EOS ERC20 tokens, all that matters is that they are stored in a wallet that is mapped to your EOS keypair when the tokens are frozen sometime after June 1st 2018

How can I map my Eos keypair to myetherwallet because I have tried several times and I cannpot get my eos token

Sandwich i was wondering if you had chance to verify this article about verifying EOS privet key
https://steemit.com/eos/@fr3eze/verify-eos-private-key-by-mapping-to-public-key

You can verify on yourself.