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I saw a bittrex that was hacked,

watch?v=eZRPDrlUggY
had 2fa and a 30character pass. Though he was account sharing and his partner may have done something to compromise the account (not confirmed last I checked)

Not yet,i was wondering if you know how to set up a paper wallet and who is trustworthy,can you do a video on the topic?

not hacked but still waiting for BTC to my wallet 15 days after receiving a transfer error and immediately issuing a support request!

I emailed poloniex to open a support ticket and still haven't heard back. I don't expect to.