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Not at all. @cass is a major force behind many steem related developments.

Asking him to provide a piece of paper with steemit logo, username, date, and posting this on his social media account is a bridge too far. There is no sense in requesting this from anyone except people claiming to be a well known person. Certainly not from people who contributed this much to our community as for example @cass

I'm not criticising the contribution. I only politely asked for introduction... it's that simple