If you want to transfer some steem from a exchange like Poloniex or Changelly to your Steemit account you need, apart from your username, your MEMO password. Finding it is very easy.
Step 1:
From the main menu of your blog, you click on wallet:
Step 2:
Once on the wallet tab you click on permissions:
Step 3:
In this page you can see your keys. Some are very important like the "main key" (owner) or the posting key. One of them is the MEMO Password, which is the one you need to securely transfer Steem to your Steemit account.
I hope the post was useful. Have a nice day!
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