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Yes most people hold up a sheet of paper with the date, their Steemit name and a signature. Read this post for more information - you can even do it confidentially if you want (which is understandable if you suffer from bipolar disorder or depression):

https://steemit.com/steemit/@reneenouveau/verification-and-you-how-why-how-to-ask-and-how-not-be-a-usd-about-it

I updated this post, you can see my photo with one of my works and name)

Excellent. Thanks:)

Thank you for your wise advice!
I will make special post with my photo later to prove that I'm realy me)

OK but be careful not to post too many times in a day. After 4 posts your rewards get reduced and it can annoy people who follow you.

I think the photo you posted for now is good enough. Message me in the chat if you have any further questions.

There are also useful channels there for help and places for you to put links for your posts to get them more attention - just make sure to read the channel rules.

There is also something called Steemprentice for new users here is a link that explains it, and here is the chat channel where you can get more specific information on it and ask questions.