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Shall I change the password inside steemit, then use it on my phone and tablet or other computers if I like. Will it cause me to be hacked by dishonest people? I can easily create a 12 character word that I can remember.

Should have no problem with that, using a password manager can be a vector of attack, so try to just manually put it in.

Have a great day! <3

I copied the QR code, but that is as far as I got. How can I connect the QR code to my steem account?

I'm not sure what you are doing but it doesn't sound like you are doing password stuff, sorry maybe ask someone a bit more knowledgeable than I.

I have done all I can. <3

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