Are you related to the coincheckup team?
I see that they have their own official ANN here -
https://bitcointalk.org/index.php?topic=2150439.0Just in case you've missed it.
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#EDIT
Oh I see, there is a promo contest for coincheckup that's why your link have a referral code
.
Avoid stuffs like this (posting just for the referral).